Overview

Modern life doesn’t leave much room to slow down; constant stress, irregular sleep schedules, and the general noise of everyday routines all take a toll on mood, sleep quality, and emotional well-being. That’s where 5-HTP (5-Hydroxytryptophan) comes in — a natural compound the body uses to produce serotonin, now a go-to ingredient in 5-HTP (5-hydroxytryptophan) supplements. Think of it as a boost for serotonin production, which is why many people look for a 5-HTP supplement for serotonin support and overall emotional wellness. The tricky part isn’t whether 5-HTP supplementation might help — it’s figuring out which product is actually worth trying.

There’s no shortage of wellness brands offering good-quality 5-HTP supplements, whether as a standalone ingredient or folded into a larger multi-ingredient formula, which makes it hard to identify the best quality 5-HTP supplement. So in this article, we’ve rounded up some of the top 5-HTP supplements currently available.

What Is 5-HTP And How Does It Work?

5-HTP comes from tryptophan, an amino acid your body already has, and turns it into serotonin, the chemical that has a lot of say over your mood, sleep, appetite, and how balanced you feel day to day. Some of that serotonin also becomes melatonin, which runs your sleep-wake cycle.

Most supplements pull 5-HTP from Griffonia simplicifolia seeds. People take them to keep serotonin levels steady, and in turn sleep better, feel calmer, and keep their mood more even. A smaller group uses it for appetite control or occasional migraines.

Picking a good one is the hard part, honestly. So we tested our way through the best 5-HTP supplements of 2026.

colanAccording to Consumer Health Digest Research & Approved, Our best overall pick is WOWMD 5-HTP designed to supports serotonin-related pathways, emotional balance, relaxation routines, and everyday mood support. For a more affordable pick DreamZzz Sleep Aid is one of the top-rated 5-HTP supplement to help you fall asleep faster, stay asleep longer, and wake up restored. Buy Now with the best deals and offerscolan-1

Our Top Picks


Best 5-HTP Supplements of 2026

To help narrow your options, we’ve selected some of the top 5-HTP supplements based on their ingredients, benefits, quality standards, customer feedback, and overall value. Whether you’re looking for a simple 5-HTP formula or just a sleep support supplement, the products below offer a range of choices to suit different preferences and needs.

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WOWMD 5-HTP | Best Quality 5 HTP Supplement

WOWMD 5-HTP

WOWMD 5-HTP

star-4.9-1
(4.9/5) 228 REVIEWS
KEY BENEFITS
Energy & Mental Sharpness

Energy & Mental Sharpness*

Memory & Precision

Memory & Precision*

Concentration & Mental Clearness

Concentration & Mental Clearness*

Improved Mood

Improved Mood*

  • Form: Capsules
  • Quantity: 60 Capsules
  • Dosage: Take 2 Capsules Per Day
  • Ingredients: 5-Hydroxytryptophan (5-HTP), Calcium Carbonate, Magnesium Stearate
  • Usage: Supports Serotonin-related Pathways, Emotional Balance, Relaxation Routines, and Everyday Mood Support
  • Safety: Science-Backed Formulation, Gluten and Lactose Free, and Hormone Free
  • Return Policy: 60-Days*
  • Company Info: 4502 Riverstone Building, Suite 1102 #C, Missouri City, Texas, 77459, USA, contact@wowmd.com, +1-(800)-986-9321
reviews

Solid Mood Support That Works

star-4.8

“After a few weeks of using WOWMD 5-HTP, I noticed I’m less reactive and more calm, especially in the evenings. My mood is more balanced now. After taking the pill, I don’t need to pay attention to side effects or anything else. It just works quietly in the background which I really like. It’s been a truly great investment. I recommend this supplement to anyone I look at nowadays.”– Brittany L.

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Serotonin’s the thing behind feeling calm, balanced, rested, and WOWMD 5-HTP is built around exactly that. Just one core ingredient here: 5-HTP, or 5-Hydroxytryptophan, which the body turns into serotonin on its own. There are a lot of 5-HTP supplements competing for attention right now, and WOWMD’s gotten a reputation as a best rated 5-HTP supplement, mostly because it doesn’t try to do too much.

colanA 2020 study by Massimo E. Maffei dug into 5-HTP’s potential role in mood and sleep, and that kind of research is a big part of why interest in 5-HTP supplementation and 5-HTP supplements benefits keeps growing as a natural route to healthier serotonin levels and overall emotional well-being.colan-1

What makes this a genuinely good quality 5-HTP supplement is how clean the formula is. No gluten, no lactose, so it’s a fine pick if you’re avoiding common allergens. Ingredient-wise, it’s really just 5-HTP and Calcium Carbonate, the latter mainly there for calcium’s role in nerve function and cell communication. That’s it. No prep, no extra steps, just a capsule you take and move on with your day. Fits easily into a routine if mood, sleep, or general well-being is what you’re after while exploring different 5-HTP supplements uses.

As for how to take it: two capsules once a day, 20 to 30 minutes before a meal, with a full glass of water (roughly 8 oz, or 236 mL). That matches the brand’s suggested 5-HTP supplement daily dose. Try to take it around the same time every day if you can; it tends to work better with consistency. And the usual caveat applies: if you’re pregnant, breastfeeding, managing a condition, or on prescription meds, check with a doctor first.

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DreamZzz Sleep Aid | Top Rated 5 HTP Supplements

DreamZzz Sleep Aid

DreamZzz Sleep Aid

star-4.8-1
(4.8/5) 582 REVIEWS
PRODUCT HIGHLIGHTS
  • GMP Certified
  • Non-Habit Forming
  • 60 Days Money Back Guarantee*
  • Stay Asleep Without Disruption
  • Form: Capsules
  • Quantity: 60 Capsules
  • Dosage: Take Two (2) Capsules 30–60 Minutes Before Bedtime
  • Ingredients: Vitamin B6, Magnesium, Chamomile Flower Extract 1% Apigenin, GABA, L-Theanine, Hops Flowers Extract 5:1, Lemon Balm Leaf Extract 4:1, Passion Flower Extract 3.5% Vitexin, Ziziphus Jujube fruit Extract 20% Polysaccharides, 5-HTP, Mucuna Pruriens Seed Extract 15% L-DOPA, Melatonin
  • Usage: Fall Asleep Faster, Stay Asleep Longer, Wake Restored
  • Safety: GMP Certified
  • Return Policy: 60-Days*
  • Company Info: 777 Cannon Dr. #54760, Hurst, Texas 76054, contact@brickhousenutrition.com, +1-(833)-746-4246
reviews

DreamZzz Works!

star-4.8

“I have tried many different sleep aids, some worked but with side effects into the next day, some did not work at all. This product works great for me with zero next day side effects. My first night, I only took 1 pill because I have a low tolerance for most pills, did not work, took 2 the next night and worked! Woke up the next day refreshed and feeling great! Every body is different, works for me tho!! Thank you!!”– Connor M.

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A calm mind is where good sleep actually starts, and that’s the whole premise behind DreamZzz Sleep Aid. It’s not a single-ingredient product. It’s a combination formula, one of the 5-HTP supplements that mixes several natural ingredients instead of betting everything on one compound. Adults use it for extra sleep support, though it’s meant to sit alongside the usual stuff too: consistent bedtime, less stress, a room that’s actually set up for sleep. Ask around about 5-HTP supplement uses, and you’ll hear the same three things come up over and over: relaxation, emotional balance, sleep quality. DreamZzz goes after all three at once instead of picking one, which is probably why people list it among the top 5-HTP supplements for anyone wanting a blend rather than a single ingredient.

What’s actually in it? The 5-HTP supplement ingredients here were chosen to support relaxation, take the edge off occasional stress, and help the body wind down toward real rest.

colanSome of that lines up with a 2022 paper, “A Novel Theanine Complex,” which looked at compounds that might support calm and sleep readiness.colan-1

It’s also worth a look if you’ve been hunting for 5-HTP and GABA supplements specifically, since it stacks a few calming ingredients together for nighttime use. Long-term, the idea is nudging your body’s natural sleep rhythm back into a more consistent pattern, not just knocking you out for one night, which is the whole point of sticking with a good-quality 5-HTP supplementation routine rather than using it sporadically.

Results won’t look the same for everyone. Lifestyle, existing sleep habits, overall health, and how consistently you actually take it. All of that matters, so the manufacturer’s advice is simple: follow the label. Talk to a doctor first if you’re dealing with a health condition or taking other medications, same as you would with any supplement. And stick to the recommended 5-HTP supplement daily dose rather than guessing at your own.

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Zenta Natural Relief | Good Quality 5 HTP Supplements

Zenta Natural Relief

Zenta Natural Relief

star-3.5
(3.5/5) 547 REVIEWS
$19.95AMAZON
PRODUCT SPECIFICATIONS
  • Form: Capsules
  • Quantity: 60 Capsules
  • Dosage: 2 Capsule Per Day
  • Ingredients: Ashwagandha, 5-HTP, Chamomile, DMAE, Magnesium, B-5, B-6
  • Usage: Claim Feelings of Relief, Focused, Relaxed, Calm Nerves, Increased Mental Focus and a Better Mood
  • Safety: Third Party Tested, Made in USA, Drug Free
  • Return Policy: N/A
  • Company Info: Los Angeles, CA 90034, +1-818-272-6845
reviews

Surprisingly Helpful

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“I’ve been taking Zenta for about a month, and it’s become part of my daily routine. I feel calmer throughout the day and better able to handle everyday stress without feeling tired or sluggish. I also like that it combines 5-HTP with GABA and Ashwagandha, so I don’t have to buy multiple supplements. It’s been a good addition to my wellness routine.”– Alexander R.

Zenta Natural Relief goes after mood and stress, not sleep specifically: calm, balance, that kind of everyday steadiness. It pairs 5-HTP with GABA in one formula, which is why it lands on lists of the best GABA 5-HTP supplements rather than the single-ingredient ones. Non-habit-forming, daily use, and it throws in amino acids, adaptogens, vitamins, and a few calming herbs without the drowsiness some competitors lean on. 5-HTP does the serotonin work. GABA handles the calming side. That combo is basically the whole pitch behind calling it one of the top-rated 5-HTP and GABA supplements for people who want both angles covered. Magnesium and B vitamins are in there too, mostly for nervous system function and keeping energy metabolism running normally.

5-HTP, GABA, Ashwagandha, Chamomile, Magnesium, Vitamins B1, B2, B6, etc. are used. Nothing unusual; these 5-HTP supplement ingredients turn up across most wellness formulas aimed at relaxation, serotonin support, and focus. Ashwagandha’s the one worth a second look, an adaptogen with a long history in stress management.

colanA 2019 paper, “An Investigation on Ashwagandha,” tied it to lower cortisol, which explains why it’s in nearly every stress formula on shelves right now.colan-1

That’s the combination behind whatever 5-HTP supplement effects you’d actually notice day to day.

Recommended dosage is 2 capsules with water, daily, or whatever a healthcare professional says instead. Consistency with that 5-HTP supplement daily dose is really what determines whether it does anything for you.

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GABAdone | Best Gaba 5 HTP Supplement

GABAdone

GABAdone

star-3.4
(3.4/5) 358 REVIEWS
$57.94AMAZON
PRODUCT SPECIFICATIONS
  • Form: Capsules
  • Quantity: 60 Capsules
  • Dosage: 2 Capsules in the Evening or Before Bedtime
  • Ingredients: Gamma-Aminobutyric Acid (GABA), L-Glutamine, 5-Hydroxytryptophan (5-HTP), Magnesium
  • Usage: Improves Sleep Quality, Reduces Anxiety and Stress
  • Safety: Natural Ingredients, Made in USA, Comply With FDA Regulations, Gluten-Free
  • Return Policy: 30-Days*
  • Company Info: 2980 Beverly Glen Circle, 100, Los Angeles CA 90077, United States, info@medicalfoods.com
reviews

Could use something better

star-3.4-1

“My doctor recommended GABAdone to help improve my sleep routine, and I’ve had a fairly good experience so far. The capsules are easy to take, and I feel more relaxed before bedtime. I think now I wake up feeling more refreshed than I used to. I also feel that my sleep quality has improved slightly, especially on nights when I have trouble winding down. While everyone’s results may vary, it has been a good addition to my nighttime routine.”– Milton T.

GABAdone isn’t something you’d just grab off a shelf on a whim; it’s built to be used with a healthcare provider’s guidance, aimed at people already working on their sleep routine with some structure behind it. It’s one of the 5-HTP and GABA supplements out there, pairing calming ingredients meant to work in tandem rather than solo, nudging you toward relaxation and a steadier sleep-wake cycle. Because it leans on that provider-guided setup, it’s less “everyday supplement” and more something for people who want real structure around sleep and relaxation. That’s honestly what separates it from most other 5-HTP supplements marketed for nighttime use.

GABA, 5-HTP, a few B vitamins, that’s the formula. GABA’s a compound your body makes anyway, tied to nervous system activity and calming down.

colanA 2020 paper, “Effects of GABA,” found it may relax the nervous system and support a calmer mental state.colan-1

5-HTP’s job is serotonin, tied to mood and sleep cycles both, and that overlap is exactly why 5-HTP supplementation keeps coming up for people chasing natural sleep support. These 5-HTP supplement ingredients get paired often for that reason: mood, relaxation, sleep- they’re all connected enough that combining them just makes sense. B vitamins are along for the ride, mostly nervous system support and general wellness.

60 capsules a bottle. 1 to 2 before bed, with food, or whatever your provider says instead; consistency with that 5-HTP supplement daily dose matters more than the number itself. Results shift with lifestyle, health, and how consistently you take it. Talk to a provider first.

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Balloon Slim | Top 5 HTP Supplements

Balloon Slim

Balloon Slim

star-3.4
(3.4/5) 357 REVIEWS
$17.77.00AMAZON
PRODUCT SPECIFICATIONS
  • Form: Capsules
  • Quantity: 60 Capsules
  • Dosage: Take Two Capsules With a Full Glass of Water, About 20 Minutes Before Your Main Meals
  • Ingredients: Glucomannan, Green Tea Extract, 5-HTP (5-Hydroxytryptophan), Chromium Picolinate and Chromium Polynicotinate
  • Usage: Appetite Control, Supports Weight Loss, Detoxification and Cleansing
  • Safety: Gluten Free, Dairy Free, FDA Aprroved Facility
  • Return Policy: N/A
  • Company Info: support@healthpharmacyworld.com, +1-(545)-554-4454
reviews

Only for weight loss

star-3.5-1

“I’ve been using Balloon Slim for a few weeks, and I’d say it’s an average but decent supplement. I noticed I felt a little more in control of my snacking, but it wasn’t a dramatic change. It works best when I’m also paying attention to my meals and exercise. The capsules are easy to take, although I expected faster results. Overall, it’s okay for extra support, but it’s not a magic weight-loss solution.” – Dester C.

Balloon Slim is a weight management supplement built to support healthy lifestyle goals, mainly appetite, cravings, and everyday nutrition habits, not a shortcut that does the work for you. It’s meant as an add-on for people already working on a balanced diet and regular activity, not a replacement for either. It’s worth noting this isn’t a traditional 5-HTP supplement for weight management, but people researching 5-HTP supplement benefits often end up looking into how different wellness ingredients fit into a broader health routine.

The formula relies on ingredients common to this category: dietary fiber, plant-based extracts, and nutrients typically associated with appetite support and metabolic health. Fiber-based ingredients get a lot of attention here specifically because they may help with satiety and support healthy digestion.

colanA 2012 research article, “Fibers in Weight Management,” highlights dietary fiber’s potential role in promoting feelings of fullness as part of broader weight management efforts.colan-1

These ingredients were chosen with that in mind: fullness, healthy digestion, steadier daily energy, the kind of things that help people stay a bit more mindful of their eating habits. That said, results vary from person to person depending on diet, exercise, metabolism, and lifestyle overall.

The recommended dose is 2 capsules, taken about 20 minutes before a meal, twice daily, or as directed on the label. Staying consistent with it, alongside the rest of a balanced lifestyle, tends to be what actually makes the difference. Understanding the recommended usage and potential supplement effects can help you decide if it’s worth adding to your routine.

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Benefits of 5-HTP

5-HTP supplements can bring a few genuinely useful benefits:

  • Overall well-being: It helps the body produce serotonin, tied to mood, sleep, and how balanced you feel emotionally.
  • Better sleep: Relaxation support, plus it feeds into melatonin production down the line.
  • A steadier mood: Supports emotional balance more broadly, not just a one-off calming effect.
  • Handling stress: Helps bring on a sense of calm when things get occasionally stressful.
  • Appetite control: Supports feelings of fullness, which makes sticking to healthy eating habits a bit easier.

Which Ingredients To Look For Before Buying?

Worth looking past just the headline ingredient when you’re comparing 5-HTP supplements. Most formulas pair it with vitamins, minerals, and other calming compounds, working together rather than relying on 5-HTP alone. Quality, dosage, and where each ingredient actually comes from matter too, not just what’s on the label.

5-HTP (from Griffonia simplicifolia)

The main event in basically every 5-HTP supplement, usually sourced from Griffonia simplicifolia seeds. Your body turns it into serotonin, which handles mood, relaxation, sleep, the usual suspects.

Vitamin B6

Shows up a lot alongside 5-HTP because it’s actually part of the process that converts 5-HTP into serotonin, not just along for the ride. Also does double duty for brain function and energy metabolism.

Magnesium

Common in sleep formulas for a reason, it’s tied to muscle function, nerve signaling, and how your body handles stress. Helps keep things running normally and may ease you toward a more relaxed state before bed.

L-Theanine

Comes from green tea leaves originally. People like it in these formulas because it can bring on calm without the drowsiness that knocks you out, so you stay relaxed but not foggy during the day.

GABA

A neurotransmitter your body already makes for relaxation. Shows up in calming and sleep formulas often, and some 5-HTP blends throw it in specifically to work alongside serotonin support for a fuller relaxation effect.

Melatonin

This is the hormone that controls your sleep-wake cycle. It’s commonly added to nighttime formulas, and even a small dose can help tell your body it’s time to wind down, which is helpful if your sleep schedule tends to shift around.

Types Of 5-HTP Supplements

Not all 5-HTP supplements are built the same way, so it’s worth knowing which type you’re actually looking at before you buy:

  • Standalone 5-HTP: Nothing else in it. Good if you just want plain serotonin support without anything layered on top.
  • Sleep support formulas: Paired with melatonin, magnesium, GABA, or L-theanine — basically anything that nudges you toward better sleep and relaxation.
  • Mood support blends: Lean on things like Ashwagandha alongside the 5-HTP, aimed more at keeping mood steady day to day.
  • Stress relief versions: Throw in calming herbs and amino acids for those occasional stretches where stress is running high.
  • Weight management formulas: A different angle entirely, pairing fiber and plant extracts with 5-HTP to help with appetite and weight goals.

Safety

Most healthy adults tolerate 5-HTP fine at the recommended dose. A few things still matter, though. Stick to what the label says, and don’t stack it with other meds or supplements that raise serotonin unless a doctor’s actually cleared that combination; that interaction is one of the more serious ones worth taking seriously. If you’re pregnant, breastfeeding, or under 18, check with a doctor before starting — this one isn’t optional. And if you notice anything unusual, like a side effect or a reaction that just doesn’t feel right, stop taking it and get medical advice right away. As for storage, keep it simple: somewhere cool and dry, and well out of reach of kids.

Side Effects

Most people tolerate 5-HTP well when they stick to the recommended dose. That said, it’s fairly common to notice a few side effects early on — things like nausea, an upset stomach, heartburn, occasional diarrhea, drowsiness or mild dizziness, headaches, or a smaller appetite than usual. None of that is unusual, and for most people, it tends to settle down within the first week or so as the body adjusts.

However, taking 5-HTP along with other medications or supplements that increase serotonin levels may raise the risk of serotonin syndrome, a rare but serious condition that requires immediate medical attention. If you experience unusual or severe symptoms, it is best to stop use and consult a healthcare professional.

Product Comparison

sealWOWMD 5-HTP BrickHouse DreamZzz Zenta Natural Relief GABAdone Balloon Slim
Rating star-4.9 star-4.8 star-3.5-1 star-3.4-1 star-3.4-1
Cost $45.00 $64.95 $19.95 $57.94 $17.77
Dosage Take 2 Capsules Per Day Take Two (2) Capsules 30–60 Minutes Before Bedtime 2 Capsule Per Day 2 Capsules Before Bedtime Take Two Capsules
Usage Supports Serotonin-related Pathways, Emotional Balance, Relaxation Routines, and Everyday Mood Support Fall Asleep Faster, Stay Asleep Longer, Wake Restored Claim Feelings of Relief, Focused, Relaxed, Calm Nerves, Increased Mental Focus and a Better Mood Improves Sleep Quality, Reduces Anxiety and Stress Appetite Control, Supports Weight Loss, Detoxification and Cleansing
Return Policy 60-Days* 60-Days* N/A 30-Days* N/A
Pros Science-Backed Formulation, Gluten and Lactose Free, and Hormone Free GMP Certified Third Party Tested, Made in USA, Drug Free Natural Ingredients, Made in USA, Comply With FDA Regulations, Gluten-Free Gluten Free, Dairy Free, FDA Aprroved Facility
Review Best for Mood and Serotonin Support Best for Sleep Support Best for Stress and Mood Support Good Alternative for Relaxation Best for Weight Management
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Frequently Asked Questions:

Q. What is 5-HTP used for?

A: 5-HTP is commonly used to support healthy serotonin levels, which helps promote a balanced mood, relaxation, better sleep, and overall emotional well-being. Some people also use it to support appetite control and migraine management.

Q. How long does it take for 5-HTP to work?

A: The effects vary depending on the individual and the reason for use. Some people notice changes within a few days, while others may need several weeks of consistent use to experience potential benefits.

Q. Is it safe to take 5-HTP every day?

A: For many healthy adults, 5-HTP can be taken daily when used as directed. However, it’s best to consult a healthcare professional before long-term use, especially if you have a medical condition or take prescription medications.

Q. Can I take 5-HTP with antidepressants?

A: No. You should not take 5-HTP with antidepressants or other medications that increase serotonin levels unless advised by a healthcare provider, as doing so may increase the risk of serotonin syndrome.

Q. Are there any side effects of 5-HTP?

A: Some people may experience mild side effects such as nausea, stomach discomfort, diarrhea, drowsiness, dizziness, or headaches. These side effects are generally temporary and improve as your body adjusts.

Q. When is the best time to take 5-HTP?

A: It depends on your wellness goals. Many people take it in the evening or before bedtime to support relaxation and sleep, while others take it earlier in the day for mood support. Always follow the dosage instructions.

Q. Who should avoid 5-HTP supplements?

A: Pregnant or breastfeeding women, children, and individuals taking antidepressants, migraine medications, or other serotonin-boosting drugs should consult a healthcare professional.

Q. What should I look for when buying a 5-HTP supplement?

A: Choose a product with a clearly labeled 5-HTP dosage, quality ingredients, and minimal artificial additives. Third-party testing and positive customer reviews can also help indicate product quality.

Conclusion – Which To Choose?

It comes down to serotonin — boost it, and you get the ripple effects: better mood, more relaxation, steadier sleep. That’s the core mechanism every 5-HTP supplement on this list is built around.

If you want something straightforward with no extras mixed in, WOWMD is the standout pick: plain 5-HTP, nothing layered on top. The rest take more specialized routes: DreamZzz for restful sleep, Zenta for stress and emotional balance, GABAdone for relaxation and sleep quality, and Balloon Slim for appetite and weight management.

So really, the right pick depends on what you’re trying to solve. Compare ingredients, dosage, and price before deciding, and check with a doctor first if you’re on medication or managing a health condition.

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Jeneta Culton, RD, LD/N

Jeneta Culton RD, LD/N is a Registered Dietitian Nutritionist, healthy cooking expert, captivating communicator and m

7 Sources

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] 5-Hydroxytryptophan (5-HTP): Natural Occurrence, Analysis, Biosynthesis, Biotechnology, Physiology and Toxicology - PMC https://pmc.ncbi.nlm.nih.gov/articles/PMC7796270/
[2] A Novel Theanine Complex, Mg-L-Theanine Improves Sleep Quality via Regulating Brain Electrochemical Activity - PMC https://pmc.ncbi.nlm.nih.gov/articles/PMC9017334/
[3] An investigation into the stress-relieving and pharmacological actions of an ashwagandha (Withania somnifera) extract: A randomized, double-blind, placebo-controlled study - PMC https://pmc.ncbi.nlm.nih.gov/articles/PMC6750292/
[4] Effects of Oral Gamma-Aminobutyric Acid (GABA) Administration on Stress and Sleep in Humans: A Systematic Review - PMC https://pmc.ncbi.nlm.nih.gov/articles/PMC7527439/
[5] Is There a Place for Dietary Fiber Supplements in Weight Management? - PMC https://pmc.ncbi.nlm.nih.gov/articles/PMC3342503/
[6] What Vitamins Increase Serotonin Levels? - ScienceInsights https://scienceinsights.org/what-vitamins-increase-serotonin-levels/
[7] Melatonin: What It Is, What It Does & How It Works https://my.clevelandclinic.org/health/articles/23411-melatonin

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

*Result may vary. If you are pregnant, nursing, have a serious medical condition, or have a history of heart conditions we suggest consulting with a physician before using any supplement. The information contained in this website is provided for general informational purposes only. It is not intended to diagnose, treat, cure, or prevent any disease and should not be relied upon as a medical advice. Always consult your doctor before using any supplements.

Disclosure of Material connection: Some of the links in the post above are "associate sales links." This means if you can click on the link and purchase an item, we will receive a commission. Regardless, we only recommend products or services which we use personally and/or believe will add value to our readers. We are disclosing this in accordance with the Federal Trade Commission's 16 CFR, Part 255: "Guides Concerning the Use of Endorsements and Testimonials."