In This Review
What is ZzzQuil?
There are so many types and brands of sleeping aid products in the market today manufactured to provide a solution for people who have difficulty falling asleep and for those who are suffering from insomnia.
A lot of medical studies have already pointed out that certain factors affect the quality of sleep. This will include, fatigue, emotional and mental stress, age, anxiety among other things. Many top sleep aid supplements have their unique formulation from natural components to herbal infused products.
But there is one product in the market that aims to deliver an effective remedy for occasional sleeplessness while reducing the amount of time to fall asleep and this is ZzzQuil Nighttime Sleep Aid by Vicks Nyquil.
How Does It Rate?

Brand Highlights
- ZzzQuil Nighttime Sleep Aid comes from the manufacturing company Vicks Nyquil and has been out on the market for several years now.
- It comes in two forms liquid and LiquiCaps.
- This sleep aid comes in a formulation that is non-habit forming that promises to provide relief for occasional inability to sleep.
Key Ingredients
- Diphenhydramine HCI
Pros
- ZzzQuil is an over the counter sleep aid remedy that can be purchased easily at store or through various online web stores
- It may help to treat occasional sleeplessness by inducing drowsiness and blocking alertness
- It comes in two options-capsule form and liquid to cater to the user preference
- Quickly absorb in the body
Cons
- Does not address the root causes of the inability to fall asleep or disturbances during sleep
- The main ingredient Diphenhydramine HCl functions to provide sleepiness by inducing drowsiness. It aims to block mental alertness and can be potentially dangerous
- It contains alcohol about 10% that is not good for those shying away from this substance
How Does ZzzQuil Work?
The active ingredient in both ZzzQuil liquid capsule and liquid is Diphenhydramine HCl 25 mg which is very effective in deactivating alertness that can put the mind and body at ease and at rest promoting sleepiness.
Our body naturally produces histamine that is a substance that transmits a message directly to the brain telling the body to remain awake and alert.
The main function of Diphenhydramine HCl is to act as an antihistamine, blocking and switching off mental alertness making one feel relax and drowsy in the process.
According to the National Center for Biotechnology Information, Diphenhydramine hydrochloride can provide a remedy for occasional sleeplessness which in turn can cut the time it takes for an individual to feel sleepy.
ZzzQuil Sleep-Aid Ingredients – Are they Safe & Effective?
Diphenhydramine HCI
This Vicks formulated sleep aid has one major component that is diphenhydramine HCI a compound that helps one fall asleep as per https://clinicaltrials.gov/ [1].
Other inactive ingredients such as colorant and flavorings are added. Alcohol is present in the ZzzQuil Liquid drink form.
Zzzquil Sleep Aid FAQ’s
Q: Who Can take ZzzQuil?
A: ZzzQuil Nighttime Sleep Aid is intended to use by people who have trouble getting good sleep occasionally.
Q: How to take ZzzQuil Sleep Aid?
A: As the manufacturer suggests, ZzzQuil Liquid can be taken as a single dose or serving using the supplied cup or a tablespoon once a day.
It is advised to take one dose over every 24 hours.
Q: What are the side effects of ZzzQuil Sleep Aid?
A: Dizziness, upset stomach, dried eyes, mouth, nose, and blurred vision.
Q: What is the price of ZzzQuil Sleep Aid?
A: $5.49 – $13.99 depending on the store you buy ZZZQuil at.
Q: Where is the best place to buy ZzzQuil Sleep Aid?
A: You can buy it from either Amazon or Walmart. Make sure to check both sites for price differences.
Q: Can I return ZzzQuil Sleep Aid?
A: Returns would be based on the store where you bought ZzzQuil Sleep Aid.
Q: Does ZzzQuil Sleep Aid work?
A: 4.1 out of 5 stars on Amazon, the user felt as they got a good night sleep and woke up refreshed.
Q: What are the potential dangers of overdosing?
A: It is advised to take one dose over every 24 hours. In a case of fear of overdose seek medical attention right away
ZzzQuil Sleep Aid Review – Final Verdict
The use of any top sleep aids should be carefully considered first by any individual searching to treat their sleeping problem.
The ZzzQuil main function of inducing sleepiness is by promoting drowsiness which can be potentially dangerous.
This is how this product works and will not address the important issue of inability to fall asleep and other sleep concerns.
The lack of information with regards to specific side effects and other warnings lack supporting details that would benefit users.
Overall this product is good if you want to feel groggy just to fall asleep but, if you need to treat the root causes of your sleeplessness then this product will certainly disappoint you.
The one-approach system of ZzzQuil is questionable in providing adequate relief to sleep problems.
And it is not smart to experiment with this type of sleep aid due to its major component that may cause serious implications.
Price wise this is not a practical buy but instead, look for sleep aid products such as Sleepasil, Neuro SLEEP and Dream Water Sleep Aid that will have a holistic approach to treating your sleep-related issues.
‘ZzzQuil Sleep Aid’ can be purchased through their Official Website.
There are many people who may have a hard time falling or staying asleep. Consequently, they wake up exhausted and irritable. Effective, natural sleep aids can help return to a normal sleep schedule resulting in improve overall health, mood, and well-being.
Below you'll find some of the most effective all natural sleep aid formulations on the market today, in our opinion.
Verdict on Claimed Benefits: Below is our summary of the available evidence for the claimed benefits of below mentioned natural sleep aids, sleep support supplements and anti-snoring mouthpiece based on the available research:

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