Cortexi Reviews: Does It Have Any Side Effects?

Cortexi is a hearing supplement formulated to support & promote healthy hearing with a combination of vitamins, minerals, antioxidants, & natural ingredients.

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In This Review

Overview of Cortexi

In today’s world, our senses are constantly exposed to harmful factors that can damage them over time. One of the most common issues is hearing loss, which affects millions of people worldwide. To combat this problem, many people turn to supplements like Cortexi. But does Cortexi really work?

In this review, we’ll take a closer look at Cortexi and its effectiveness as a hearing supplement. We’ll explore its ingredients, benefits, and drawbacks so you can make an informed decision before purchasing.

What is Cortexi?

Cortexi is a hearing supplement created by Jonathan Miller to help individuals who experience hearing loss due to aging, noise exposure, or other factors. The formulation of Cortexi includes natural ingredients which have been shown to support healthy hearing and cognitive function. It comes in the form of liquid drops, which you have to consume once a day.

Jonathan recognized that traditional solutions, such as hearing aids, can be expensive and may not always address the underlying cause of hearing loss. He wanted to create a natural and affordable alternative that could be used with other hearing aids or as a standalone supplement.

How Does Cortexi Rate?

Overall Rating: 4.8


Value for Cost

4.8/5Value for Cost



Brand Highlights

  • Commitment to natural ingredients.
  • 60-day money-back guarantee
  • Manufactured in the United States in an FDA-registered and GMP-certified facility.
  • Discounts available for bulk purchases.
  • Their product is vegan-friendly and non-GMO.

Key Ingredients

  • Capsicum annuum
  • Grape seed extract
  • Panax ginseng, astragalus
  • Green tea extract
  • Chromium picolinate
  • Maca root


  • It may help improve hearing function.
  • Can improve cognitive function.
  • Improves blood flow in the ears and brain.
  • Made with natural ingredients with antioxidant properties.
  • It may help prevent ear infections.


  • It may not work for everyone.
  • Some users may not see significant changes in hearing or cognitive function.

Who is the Manufacturer of Cortexi?

Cortexi is manufactured by Jonathan Miller and an elite research team. They have developed the supplement by carefully blending natural ingredients known for their cognitive benefits. The product is manufactured in a facility that is certified by the Food and Drug Administration (FDA) and follows Good Manufacturing Practice (GMP) guidelines to ensure the highest quality and safety standards.

This certification guarantees that the supplement is produced in a clean and controlled environment. By combining rigorous research with strict manufacturing standards, Cortexi aims to provide a premium quality cognitive support supplement to its users, emphasizing both the efficacy of its ingredients and the safety of its production process.

How Does Cortexi Work?

Cortexi Supplement Facts

Cortexi improves blood flow to the ears and brain, which can help support healthy hearing and cognitive function.

The ingredients in Cortexi, including green tea extract, have been shown to have antioxidant properties and support healthy circulation, as shown in our Green tea extract review.

According to research by Colleen G. Le Prell et al., published in the Journal of Hearing Research, Increased blood flow to the ears can help transport more oxygen and nutrients to the cells in the ear, supporting healthy hearing function.

Meanwhile, increased blood flow to the brain can improve cognitive function and reduce memory loss[1].

By combining different ingredients, Cortexi aims to improve hearing function and cognitive performance by increasing blood flow and supporting overall brain health.

Remember, Cortexi is not intended to replace medical treatment for hearing or cognitive impairments.

If you have any concerns about your hearing or cognitive function, it’s always best to consult with a healthcare professional.

Cortexi Ingredients – Are They Safe & Effective?

Grape Seed

Grape Seed

Grape seed extract, as explained in our earlier review, is rich in antioxidants that can neutralize harmful free radicals in the body. Free radicals can cause cellular damage and inflammation, contributing to hearing loss.

Grape seed extract contains flavonoids such as oligomeric proanthocyanidin compounds (OPCs) which have been shown to protect against oxidative damage caused by noise exposure. In a study on Nutrients, grape seed extract was shown to protect against noise-induced hearing loss by reducing oxidative stress in the cochlea – the part of the inner ear responsible for hearing[2].

Green Tea

Green Tea

Green tea contains catechins, which, according to a 2018 study by Jurga Bernatoniene and Dalia Marija Kopustinskiene, are powerful antioxidants that can help protect the ears from damage caused by oxidative stress. Several studies have found that green tea can reduce the risk of noise-induced hearing loss and help improve cognitive function[3].

“Green tea polyphenols can reduce noise-induced hearing loss and hair cell injury, possibly by regulating the expression of caspase-9 and caspase-3.” – Y H Li, Guangzhou 12th People’s Hospital, Guangzhou, China.

Gymnema Sylvestre

Gymnema Sylvestre

Gymnema sylvestre is an herb that has been used in Ayurvedic medicine for centuries to treat diabetes and other health conditions. It contains gymnemic acids, which have antioxidant and anti-inflammatory properties. A 2023 study conducted on rats found that Gymnema sylvestre extract prevented age-related hearing loss by reducing oxidative stress in the cochlea[4].

Capsicum Annuum

Capsicum Annuum

Capsicum annuum, or cayenne pepper, contains capsaicin, which has anti-inflammatory properties that can help improve blood flow and reduce ear inflammation. A 2019 study by Puspanjali Bhatta et al. found that capsaicin helped protect against noise-induced hearing loss and reduced inflammation in the cochlea[5].

Panax Ginseng

Panax Ginseng

Panax ginseng is an adaptogenic herb used for centuries in traditional Chinese medicine to improve energy, reduce stress, and boost the immune system. It contains ginsenosides, shown in a study published in J Ginseng Res, to have antioxidant and anti-inflammatory effects that can help protect against hearing loss[6].



Astragalus is a root that has been used in traditional Chinese medicine for centuries to treat various health conditions. It contains polysaccharides, flavonoids, and saponins which have immune-boosting and anti-inflammatory effects. A 2015 study published on Antioxid Redox Signal found that astragalus extract could reduce noise-induced hearing loss by reducing oxidative stress in the cochlea[7].

Chromium Picolinate

Chromium Picolinate

Chromium picolinate is a mineral that is involved in glucose metabolism. It may help regulate blood sugar levels, which can positively impact hearing function. High blood sugar levels have been linked to an increased risk of hearing loss, so regulating blood sugar levels with chromium picolinate may help protect against hearing loss.

“Chromium picolinate, specifically, has been shown to reduce insulin resistance and to help reduce the risk of cardiovascular disease and type 2 diabetes.” – Peter J Havel, Department of Nutrition, University of California.

Maca Root

Maca Root

Maca root is a plant that has traditionally been used to improve energy, mood, and sexual function. According to a recent study by Jisun Yang et al., Maca root contains antioxidants and anti-inflammatory compounds that can help protect against oxidative damage in the ears[8].

Verdict: These ingredients have shown promising results in various research studies. As such, we approve of Cortexi ingredients.

Taste and Aroma of Cortexi

One of the standout features of Cortexi is its pleasant taste and aroma. Unlike many other nootropic supplements, which can taste bitter or unpleasant, Cortexi has a refreshing flavor that makes it easy to swallow. The aroma is also light and pleasant, making the supplement a more enjoyable experience.

The taste and aroma of Cortexi are partly due to the natural ingredients used in the formula, such as green tea extract. These ingredients provide health benefits and contribute to the supplement’s overall taste and aroma.

Texture & Overall Appeal

Cortexi is a liquid dietary supplement that comes in a small bottle with a dropper. The recommended Cortexi dosage is one drop per day, which is to be taken sublingually (under the tongue).

The liquid form of Cortexi makes it easy to consume and absorb, and the sublingual administration ensures maximum bioavailability of the natural ingredients. By taking Cortexi daily, individuals can support their brain health and optimize their mental performance.

Tea BurnCortexi

Benefits of Cortexi

Protective Measures for Hearing Health:
Cortexi stands out for its commitment to supporting healthy hearing. Utilizing natural ingredients, it shields the ears from potential damage, with a specific focus on minimizing the need for hearing aids. This aspect of the supplement addresses a critical sensory aspect, promoting long-term auditory well-being.

Memory Enhancement with Natural Shielding:
The memory-boosting capabilities of Cortexi come from its unique blend of ingredients designed to provide “natural memory shielding.” By maintaining and improving memory functions, the supplement aims to contribute to the overall strengthening of cognitive abilities.

Mental Acuity and Cognitive Performance:
Cortexi takes a holistic approach by sharpening mental acuity through enhancing focus, concentration, and clarity of thought. This multifaceted strategy supports overall brain health, positively impacting cognitive performance in various aspects.

Inflammation Control for Holistic Health:
The inclusion of plant-based ingredients in Cortexi serves the purpose of reducing overall inflammation in the body. Chronic inflammation is linked to age-related declines in both mental and physical aspects. Cortexi’s approach to controlling inflammation aligns with its goal of supporting various dimensions of health.

Safe and Natural Formula:
Cortexi sets itself apart with its natural, non-GMO, plant-based formula. The emphasis on being easy to swallow and non-habit forming reinforces the commitment to providing benefits without the use of artificial or addictive substances. This approach prioritizes the safety and well-being of individuals seeking cognitive support.

Lifestyle Product for Long-Term Well-Being:
The marketing strategy for Cortexi is centered around the idea of feeling great and enjoying life. By positioning itself as a lifestyle product, Cortexi emphasizes not only the immediate cognitive benefits but also the long-term protection of both the brain and sensory organs.

Side Effects of Cortexi

As with any dietary supplement, some individuals may experience side effects from taking Cortexi. Some of the potential side effects of Cortexi may include:

  • Upset stomach
  • Nausea
  • Headache
  • Dizziness
  • Allergic reactions

Overall, Cortexi is a safe and effective dietary supplement that can potentially support cognitive function and overall brain health. As with any supplement, it’s always best to speak with a healthcare professional before taking Cortexi, especially if you are pregnant, nursing, or have any underlying medical conditions or concerns about potential side effects.

Cortexi Reviews – FAQs

Q: What is the price of Cortexi?

A: The price of Cortexi varies based on the package you choose. On the official website, the cost for a 30-day supply is $69 per bottle, a 90-day supply is $59 per bottle, and a 180-day supply is $49 per bottle.

Additionally, there is a 60-day money-back guarantee. For potential discounts and offers, it’s recommended to check out their official website.

Q: How does Cortexi stand out from its competition?

A: Cortexi stands out from its competition by offering a unique blend of natural ingredients specifically chosen to support cognitive function and brain health. Unlike other cognitive supplements, Cortexi uses only natural ingredients and does not rely on synthetic compounds or stimulants.

Q: Does Cortexi have a refund policy?

A: Yes, the company has a refund policy with a 60-day money-back guarantee. For additional information, check out Cortexi official website.

Q: Is Cortexi Legit?

A: Yes, Cortexi is a legit product manufactured in an FDA-approved facility.

Q: Where can I buy Cortexi?

A: Cortexi can be purchased through its official website or select online retailers.

Q: Does Cortexi have any side effects?

A: Cortexi contains natural ingredients and is generally considered safe for most people. However, as with any supplement, individual experiences may vary. Some individuals may experience mild side effects such as upset stomach or headache. It’s always a good idea to speak with a healthcare professional before incorporating any new supplement into your routine.

Q: How do I take Cortexi?

A: The recommended Cortexi dosage is two drops daily – one in the morning before breakfast and another before lunch. It’s important to follow the Cortexi dosage instructions and not exceed the recommended amount.

Cortexi Comparison

Alpha Brain Qualia Mind Neuriva
Overall Rating 4.1 out of 5 4.2 out of 5 3.8 out of 5
Brand Philosophy Focus on nootropics and holistic wellness Emphasis on high-quality ingredients and scientific research Promotes natural plant-based ingredients for brain health
Main Ingredients Bacopa Monnieri, Huperzine A, Alpha GPC, L-Theanine, and more Bacopa Monnieri, Mucuna Pruriens, Phosphatidylserine, and more Coffee Fruit Extract, Phosphatidylserine, and Vitamin B6
Product Form Capsules Capsules Capsules
Target Market Students, professionals, athletes High-performance individuals, biohackers, entrepreneurs Adults looking for natural and affordable options for cognitive support
Scientific Evidence Some studies show improvements in memory and cognitive function Possible cognitive function and focus improvements Limited studies showing the effectiveness of ingredients
Side Effects Headache, nausea, or stomach upset Gastrointestinal issues Possible gastrointestinal issues
Price $34.95 (30 capsules) $69.50 (28 servings) $31.99 (30 capsules)
Availability Available online and in some retail stores Can only be purchased online Can be purchased online and in some retail stores

What Do the Cortexi Reviews Say?

Reviews of Cortexi are generally positive, with many users reporting improvements in their focus, memory, and overall cognitive function.

Cortexi Reviews

Cortexi Reviews

One review says, “After taking 1ml a day for more than two months (I’m on my second bottle) I have seen improvement as the manufacturer claims. I read that it’s a slow process for some individual, so I guess I’ll have to finish the six bottles of Cortexi I bought in order to see the results.”

Other users have reviewed Cortexi as:

I’ve been using Cortexi for about 2 months now. Initially, I thought it was a bit pricey, but a friend recommended it, and I decided to give it a try. And let me tell you, Cortexi has been amazing for my hearing. Started with one bottle, but now I’ve got the 6-bottle pack – definitely the best investment. –Valeria L.

Taking Cortexi for a week now, and I really like how easy it is to use. The taste is decent too. I haven’t noticed a change in my hearing just yet, but I know these things take time. Looking forward to seeing the results as I continue with Cortexi! –Alex Garcia

Wendy, another buyer who left a 4-star rating, says:

Used 1x with immediate relief. I was unhappy when I 1st received this cause the instructions were vague & too small to read on the bottle. I wasn’t sure if I was to put it in my ears or ingest it orally. Couldn’t read the instructions on the bottle. Set of inserted instructions would have been nice. I’m happy to have had 2 days of no “crickets” in my ears. I have read up on almost every remedy & this was the one with the best reviews. It works! –Wendy D

Based on Cortexi reviews, It has received positive feedback from users who’ve experienced an improvement in their hearing. Therefore, we approve of it.

Cortexi Reviews – Conclusion

Cognitive health is becoming an increasingly important topic in today’s fast-paced world. As we navigate the demands of work, school, and daily life, it’s essential to look for ways to optimize our mental performance and support our brain health. Cortexi is one of many natural supplements available that claim to support cognitive function and enhance focus and memory.

While there is limited scientific research to support the supplement’s effectiveness, many individuals report positive experiences with its use. Consult with a healthcare professional before starting any dietary supplement regimen, and always prioritize a healthy lifestyle that includes plenty of rest, exercise, and a balanced diet.

Our Top Tinnitus Supplements

Verdict on Claimed Benefits: Below is our summary of the available evidence for the claimed benefits of below mentioned Tinnitus Supplements based on the available research:

ZenCortex | Hearing Support Formula
Reduces Tinnitus Severity*Gold Star Evidence
Improves Auditory Function*Gold Star Evidence
Increases Energy Levels*Gold Star Evidence
Accelerate Blood Flow to the Ears*Strong Evidence
Rating Breakdown
Support for Claims:
Ingredient Safety:
Value for the Price:
Brand Transparency:
Overall Rating: 4.9
Quietum Plus | Tinnitus Relief Supplement
Enhances Hearing Abilities*Gold Star Evidence
Reduces Ear Infections*Strong Evidence
Improves Sleep Quality*Gold Star Evidence
Optimizes Ear Cell Regeneration*Strong Evidence
Rating Breakdown
Support for Claims:
Ingredient Safety:
Value for the Price:
Brand Transparency:
Overall Rating: 4.8
CerebroZen | Healthy Hearing Supplement
Prevents Nerve Damage*Gold Star Evidence
Supports Brain Function*Strong Evidence
Improves Cognitive Function*Gold Star Evidence
Stimulant-Free Formula*Strong Evidence
Rating Breakdown
Support for Claims:
Ingredient Safety:
Value for the Price:
Brand Transparency:
Overall Rating: 4.8

Product reviews are provided for informational purposes only and reflect solely the views and opinions expressed by the contributors and not those of Consumer Health Digest. We do not verify or endorse any claims made in these reviews. Please read the full product reviews disclaimer. *All individuals are unique. Your results can and will vary.

Customer Reviews for Cortexi

Cortexi Reviews: Does It Have Any Side Effects?

Customer Reviews & Ratings

4.9 out of 5

Review this Product

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  1. Wayne Joseph

    Improved my hearing quality
    From the moment I started using cortexi, I noticed a significant improvement in my ability to hear sounds more clearly and distinctly. Sounds that were once difficult to hear are now crystal clear, and all credit goes to cortexi. With regular use, I’ve noticed a gradual improvement in my overall hearing abilities. My overall experience is incredible. I love it.
  2. Ed with Tennitus

    Always skeptical but sees slight improvement after 4 days
    After having tinnitus for years and starting to get desperate doing research I’ve decided to try Cortexi. So after just 4 days. Must say they handled a mistake I made in ordering fantastically. The high frequency buzzing has gone from a multi fluctuating frequency down to a more narrow range.

    Anyone who has had this believe me a major change. I’m hoping for more positive results as time goes on. Will keep you posted as I come from the Biopharm industry. Agree with instructions needing to be more accurate.

  3. J M

    Will give a full review at the end of 3 months.
    Fast delivery. I will pick it up on Saturday, 3/2/2024. I will give a full review at the end of 3 months and let you know if there are any positive things that happen.
  4. Heidi Howard

    What is this really?
    Cortexi is shipped from the same factory as ‘Sugar Defender.’ It’s the same price, and the labels are 99% identical. Only the name of the product and its benefits were changed. I’m not saying the product doesn’t work…just curious as to why the company didn’t make multiple claims about one bottle instead of dividing them up. I guess people are squeamish about buying products that claim they can fix all your medical problems with one pill. And just because it’s in liquid form doesn’t make it any easier for me to swallow this so-called magic potion. I bought six bottles.

    Will buy when I'm cleared medically too. I hope this is this will help drastically.
    I have been experiencing issues with a low ringing in my ears that started about 2-3 months ago. I’ve also been having more headaches than usual. I’m planning to see my healthcare provider first for a complete examination. After that, I will discuss the information about Cortexi with them. I’m not one to readily take medication, so that’s out of the question for me. I want to hear what my healthcare provider has to say about it. Therefore, I’m going to hold off on making a purchase until I’ve seen the doctor. I have read all the information regarding Cortexi, but for now, I need to reserve my decision and await the doctor’s review.

  6. Faith Lannom

    Bringing me much needed relief.
    I have tried many products over time since this issue first started about three years ago, and it was progressively getting worse. Doctors told me they could give me medications that didn’t really help, and I’m only 58; this should not be happening in my ears. Well, I bought the three-pack of Cortexi (cheaper and wanted to give the product a chance). The sounds and the lack of sleep it caused, affecting my mental peace and waking moments, were becoming unbearable. I decided to give Cortexi a try. At first, I was frustrated because it didn’t seem to help much in the first two weeks. Additionally, the manufacturer’s instructions were not very clear, so I would appreciate more detailed guidance. I also incorporated Cortexi Ear drops into my regimen (a game changer for me) alongside the oral treatment. To say that I cried when I suddenly realized I had more peaceful silence and less head pain from the sounds in my ear is an understatement. I’ve been using it for about a month now, and it has provided much-needed relief for the sounds, hearing issues in crowds, and ear/head pain that I experienced before. I am truly grateful.
  7. Laura Flores

    Cortexi really helped with constant buzzing—I highly recommend it!
    After using Cortexi for a few weeks, the constant buzzing in my ears has significantly reduced. Now, I can hear and understand conversations much better. Not only has it improved my hearing, but I also feel more energized and alert throughout the day.
  8. Paul Cooper

    l would buy this product again.
    Some instructions would of been good but apart from that I’ve been using this product for awhile and noticed a change no more ringing in the ears a bit pricey but l would rather pay for better quality products rather than cheaper versions. I have noticed a change and have been taking Cortexi for 3/4 months.
  9. Jaime Ward

    Its pretty good!!!
    I’ve been using Cortexi for about 3 months now, and I’ve noticed a significant improvement in my hearing. I used to have trouble hearing people in noisy environments, but now I can hear them clearly. I also used to have ringing in my ears, but that has gone away as well.
  10. Kay Byrne

    Will give full review at the end of 3 months
    I fully agree with Wendy who feels that there should be an insert with directions large enough for anyone to read.

    I have been taking Cortexi for 2 months for tinnitus. I will finish my supply and give my report at that time. No side effects.

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Cortexi Ques and Ans

  • Q: I have bought cortexi off of you and it has done nothing to cure my tinnitus

    A: You can contact the customer service for returns and check with them if you can return your order.

  • Q: Does Cortexi need to be refrigerated after opening?

    A: No, Cortexi liquid supplement does not need to be refrigerated after opening. It should be stored in a cool and dry place away from direct sunlight.

  • Q: My only question is when are you going to respond to my MANY emails about how to return 4 bottles of CORTEXI I bought in November 2023 and have been trying to return since two months of using CORTEXI did not change my tinnitus one bit. Order # 8GUZT4JI

    A: To initiate the refund process for the Cortexi supplement, you can contact their customer service team via email at or by calling their dedicated support number at +1 888 220 3185.

  • Q: What is dosage of Cortexi for tinnitus? Is it 1 drop or dropper? Under the tongue? Twice daily? Finding different dosages on different websites. Thank you.

    A: The recommended dosage for Cortexi, a herbal supplement that may help treat tinnitus, is to take one dropper before breakfast. You can also consult with your doctor to know dosage guidelines.

  • Q: Has Cortexi been found to raise blood pressure?

    A: No. If you are experiencing it, there is a possibility you are having a side effect. It is best to consult a doctor before continuing the supplement.

  • Q: How to return? If Dr says not to use with your present condition, how & where do you return?? Just one e-mail then return? How long to wait for your refund??

    A: Please refer to this link for all your questions regarding refund policy of this product. Cortexi (

  • Q: I was lead to believe this product was for curing tinnitus?

    A: Cortexi is a supplement and supplements are not a cure for anything but are for support to the treatments. Cortexi is designed to support auditory health and potentially reduce the severity of tinnitus, making it more manageable. It is not a standalone solution, but rather a complementary tool in the battle against tinnitus, and should be part of a broader strategy that includes stress management and coping techniques.

  • Q: Can a person with heart failure use this or a peson taking blood thinnrers?

    A: If you have any medical condition or are on medication, it is best to talk to your doctor before starting the supplement. They can help you know if that is right for you or not.

  • Q: If you take 1 ml with water, are you still required to take one before breakfast and 1 before lunch or once a day?

    A: The recommended dose is one dropper in the morning before breakfast and another dropper before lunch. A full dropper contains approximately 15 drops of liquid.

  • Q: Is cortexi available in pill form??

    A: Cortexi is a hearing support formula available in the form of a dropper supplement.

  • Q: I bought thinking it was ear drops but it says to drink it how do I use this for tinnitus?

    A: One bottle of Cortexi ear health booster has 60 ml of powerful hearing support drops, enough for a month. The suggested dose is one dropper full (1 ml) in the morning before breakfast and another before lunch, meaning you take it twice a day with your morning and afternoon meals. You can either put the drops under your tongue or mix them in water or your preferred beverage.

  • Q: Do you ship to Europe?

    A: Yes, Europe shipping is available for this product.

  • Q: Do I have to take this for the rest of my life to elevate the ringing in my ears?

    A: Cortexi is a supplement that is designed to support auditory health and potentially reduce the severity of tinnitus. If you got relieved from your problem and can stop. You can also start when your problem comes back. It is recommended to consult with a healthcare provider before taking any new supplement or medication.

  • Q: Does this really work?

    A: Cortexi is a supplement that can support auditory health and address issues such as tinnitus and hearing loss. Though, Cortexi have many success stories, Individual results may vary. It is essential to consult a healthcare professional for proper diagnosis and treatment of auditory health issues.

  • Q: how can I open the Cortexi? I cannot get it to use.

    A: You follow these steps - Shake the bottle vigorously for 30 seconds. Unscrew the cap and remove the dropper. Place the dropper under your tongue and squeeze it to release 1-2 drops of Cortexi. Hold the Cortexi under your tongue for 30 seconds before swallowing.

  • Q: Can you take this anytime of the day or just before breakfast?

    A: Two drops of Cortexi are advised twice day, one before breakfast and the other before lunch.

  • Q: Does this procuct reduce the tinnitus?

    A: Cortexi is a dietary supplement that is claimed to reduce tinnitus. It contains a blend of herbal ingredients, including ginkgo biloba, magnesium, and zinc. If you are considering taking Cortexi to reduce your tinnitus, it is important to talk to your doctor first.

    It is also important to note that Cortexi is not a cure for tinnitus. Tinnitus is a complex condition with no known cure. However, there are a number of treatments available that can help to manage the symptoms of tinnitus.

  • Q: I thought with the ear dropper top that Cortexi was a fluid for the ear in the ear. Now I just read in this website that it is to be ingested. I do not remember that instruction or comment in the long video I watched. Well, damn. Too bad the company cannot afford to include readable instructions to advise how to use.

    A: We understand your frustration, Though Cortexi comes with a dropper top, the bottle says it is a dietary supplement.

  • Q: The directions say to take 1ml with water daily. Is that 1/2 dropful or 1 dropful?

    A: The recommended dosage of Cortexi is 1 ml, which is equal to 20 drops. So, you should take 1 dropfull of Cortexi with water daily.


    A: "We understand that you are not happy with Cortexi and would like to return it. We are sorry to hear that it has made your tinnitus worse. If you're unsatisfied with Cortexi, you can return it within 60 days of purchase. To initiate the return, request a return authorization (RMA) within the 60-day period by emailing When returning, make sure to include the RMA and notify them with both the RMA and the tracking number of your shipment. Note that you'll be responsible for the shipping costs. The product must be in good condition and include all its original accessories. Once you receive the RMA, ensure that the product is sent back within 14 days to the following address: 19655 E 35th Dr #100, Aurora CO 80011, USA. "

  • Q: how can I take cortexi is the Holl troper or how many drops?

    A: "Cortexi is a liquid dietary supplement that comes with a dropper. You should take one full dropper. You can take it by placing the dropper under your tongue or mixing it in water."

  • Q: How do you take cortex. I have read 2 drops a day and another time I read a full eyedropper a day. Which one is correct?

    A: The recommended dosage of Cortexi is one eyedropper full (1 ml) under the tongue once daily. But it is best to consult your healthcare expert for proper guidance.

  • Q: What is the difference between cortexi and zencortex?

    A: Cortexi and ZenCortex are two distinct products that cater to different health concerns. Cortexi is an ear drop product that claims to cure tinnitus, while ZenCortex is a dietary supplement designed to support ear health and cognitive function.

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60 ml
Capsicum annuum, Grape seed extract, Panax ginseng, astragalus, Green tea extract, Chromium picolinate, and Maca root.

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    We review published medical research in respected scientific journals to arrive at our conclusions about a product or health topic. This ensures the highest standard of scientific accuracy.

    [1] Mechanisms of Noise-Induced Hearing Loss Indicate Multiple Methods of Prevention :
    [2] The Effect of Antioxidant Supplementation in Patients with Tinnitus and Normal Hearing or Hearing Loss: A Randomized, Double-Blind, Placebo Controlled Trial:
    [3] The Role of Catechins in Cellular Responses to Oxidative Stress:
    [4] Anti-inflammatory and antioxidant activities of Gymnema Sylvestre extract rescue acute respiratory distress syndrome in rats via modulating the NF-?B/MAPK pathway:
    [5] Capsaicin Protects Against Cisplatin Ototoxicity by Changing the STAT3/STAT1 Ratio and Activating Cannabinoid (CB2) Receptors in the Cochlea:
    [6] Panax ginseng and its ginsenosides: potential candidates for the prevention and treatment of chemotherapy-induced side effects:
    [7] Autophagy Attenuates Noise-Induced Hearing Loss by Reducing Oxidative Stress:
    [8] Anti-Inflammation and Anti-Melanogenic Effects of Maca Root Extracts Fermented Using Lactobacillus Strains:

    **This is a subjective assessment based on the strength of the available informations and our estimation of efficacy.

    *Result may vary. The information contained in this website is provided for general informational purpose. No medical claims are implied in this content, and the information herein is not intended to be used for self diagnosis or self treatment of any condition.

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    Note: Results may vary about any product effectiveness. The information contained in this website is provided for general informational purposes only. No medical claims are implied in this content, and the information herein is not intended be used for self-diagnosis or self-treatment of any condition.

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