10 Best Melatonin Third Party Tested of 2025

Tested and Reviewed: Top 10 Melatonin Third Party Tested deals with expert ratings from 8.1 to a perfect 10

May 2025 Edition

Editor's Choice

9.7

THORNE

THORNE Melaton-3-3mg Melatonin - Supports Circadian Rhythms, Restful Sleep & Relaxation - Gluten, Dairy & Soy-Free - 60 Capsule

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Editor's bottom line:

“This melatonin third party tested is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Melatonin: Supports restful sleep patterns*
Circadian Rhythms: Helps maintain normal circadian rhythms*
Jet Lag: Provides a benefit for shift workers and travelers with jet lag*
Free From: Every Thorne product is made with the purest possible ingredients - without gluten or other major allergens (eggs, tree nuts, peanuts) This product also contains no soy, dairy, shellfish, or fish
Thorne's commitment to integrity and science-backed products has helped us earn the trust of thousands of health-care professionals, U.S. National Teams, the Mayo Clinic, and families around the world

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Picked by 250 people today

9.5

Save 41%

Nature Made

Nature Made Melatonin 3mg Tablets, 100% Drug Free Sleep Aid for Adults, 240 Tablets, 240 Day Supply

41% OffFree Shipping

Main Highlights

Occasional use sleep support supplement: Contains one 240 count bottle of Nature Made Melatonin 3 mg Tablets for a 240-day supply
Melatonin is a hormone found naturally in the body that helps to regulate sleep and wake cycles
Each Nature Made 3 mg Melatonin Tablet helps you fall asleep faster and supports restful sleep with a lower dose Melatonin tablet
Adults take one of these Melatonin 3mg sleep supplements one hour before bedtime with water
These Nature Made Melatonin Tablets are 100% drug free, gluten free, non habit forming, and have no color added, no artificial flavors, and no preservatives
United States Pharmacopeia (USP) Verified; #1 Pharmacist Recommended Vitamin & Supplement Brand
These statements have not been evaluated by the Food and Drug Administration; this product is not intended to diagnose, treat, cure, or prevent any disease

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9.5

Save 35%

Nature's Bounty

Nature’s Bounty Melatonin 3mg, 100% Drug Free Sleep Aids for Adults, Supports Relaxation and Sleep, Dietary Supplement, 240 Count (Cherry Flavour - Packaging May Vary)

35% OffFree Shipping

Main Highlights

WORKS WITH YOUR BODYS NATURAL SLEEP CYCLE (1): A naturally occurring hormone, Melatonin works with your bodys sleep cycle to help you relax, drift off, and enjoy sound sleep (1)
PROMOTES RESTFUL SLEEP (1): Melatonin nutritionally supports rest and relaxation to aid with occasional sleeplessness, so you can wake up feeling refreshed and ready to start your day (1)
EASY TO TAKE SUPPLEMENT: Natures Bounty Quick Dissolve Melatonin tablets dissolve under your tongue in just 30 seconds. Youll love the natural cherry flavor
GLUTEN, DAIRY, AND WHEAT FREE: Natures Bounty Quick Dissolve Melatonin tablets are gluten free, dairy free, wheat free, and suitable for vegetarians
UNSURPASSED QUALITY AND VALUE: Using the latest breakthroughs in nutritional science and the finest ingredients, Natures Bounty provides supplements of unsurpassed quality and value

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9.2

Save 7%

NOW Foods

NOW Foods Supplements, Melatonin 3 mg, Free Radical Scavenger, Healthy Sleep Cycle, 180 Veg Capsules

7% OffFree Shipping

Main Highlights

FREE RADICAL SCAVENGER*: A potent free radical scavenger naturally produced in the pineal gland.
GASTROINTESTINAL SUPPORT*: It's present in high amounts in the gastrointestinal tract and is involved in the maintenance of a healthy gastrointestinal lining.*
HEALTHY SLEEP CYCLE*: It is involved in many biological functions including regulation of normal sleep/wake cycles and the regulation of the immune system.
GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation).
Packaged in the USA by a family owned and operated company since 1968.

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9.0

Save 31%

Natrol

Natrol Fast Dissolve Melatonin 3 mg, Melatonin Supplements for Restful Sleep, Sleep Support for Adults, 150 Strawberry-Flavored Tablets, Up to a 150 Day Supply

31% OffFree Shipping

Main Highlights

FALL ASLEEP FASTER, STAY ASLEEP LONGER: Natrol melatonin promotes sleep in as little as 15 minutes(1)
SLEEP SUPPORT: Natrol Melatonin Fast Dissolve Tablets for adults help you fall asleep faster, stay asleep longer, and wake up feeling refreshed and ready to take on the day ahead(1)
100% DRUG-FREE SLEEP AID SUPPLEMENTS: These melatonin 3 mg fast dissolve tablets are 100% drug-free and non-habit forming, and vegetarian
DELICIOUS TASTING TABLETS: Fast Dissolve adult melatonin tablets feature a delicious strawberry flavor and require no water to swallow, making them easy and delicious to take
#1 DRUG FREE SLEEP AID BRAND IN AMERICA(2): As the #1 drug free sleep aid brand, we not only have formulas to help you fall asleep faster, we also offer fast-acting and effective formulas that can help calm your mind and body and maintain good health

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8.8

Save 23%

Nutricost

Nutricost Melatonin 5mg, 240 Capsules - 5mg Per Serving, Non-GMO, Gluten Free

23% OffFree Shipping

Main Highlights

High Quality, High Potency Melatonin
240 Capsules of Melatonin Per Bottle
5mg of Melatonin Per Serving (240 Servings)
Non-GMO and Gluten Free Formula
Made in a GMP Compliant, FDA Registered Facility

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Best Value

8.6

Save 44%

NOW Foods

NOW Foods Supplements, Melatonin 5 mg, Free Radical Scavenger, Healthy Sleep Cycle, 180 Count (Pack of 1)

44% OffFree Shipping

Main Highlights

FREE RADICAL SCAVENGER*: Melatonin is a potent free radical scavenger naturally produced in the pineal gland and present in high amounts in the gastrointestinal tract*
GASTROINTESTINAL SUPPORT*: It is involved in many of the body, brain and glandular biological functions including maintenance of a healthy gastrointestinal lining*
HEALTHY SLEEP CYCLE*: It is involved in many biological functions including regulation of normal sleep/wake cycles and the regulation of the immune system
GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation)
Packaged in the USA by a family owned and operated company since 1968

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8.3

Save 15%

Nordic Naturals

Nordic Naturals Zero Sugar Melatonin Gummies, Raspberry - 60 Gummies - 1.5 mg Melatonin - Great Taste - Restful Sleep, Antioxidant Support - Non-GMO, Vegan - 60 Servings

15% OffFree Shipping

Main Highlights

WHY MELATONIN - Melatonin facilitates deep sleep throughout the night, resulting in the feeling of more restful sleep. Melatonin also acts as an antioxidant, helping to reduce oxidative stress throughout the body.
DELICIOUS & CONVENIENT - Our raspberry-flavored Zero Sugar Melatonin Gummies for adults are a great-tasting, convenient way to help synchronize your sleep-wake cycle to a normal, circadian rhythm.
ZERO SUGAR - These gelatin-free, vegan gummies are sweetened with xylitol, not sugar. Each gummy provides 1.5 mg of melatonin.
PURITY GUARANTEED - Everything we make is third-party tested, surpassing the strictest international standards for purity & freshness. This product is non-GMO, gluten & dairy free, and contains no artificially derived colors or flavors.
ETHICAL INNOVATION - Nordic Naturals has always been at the forefront of sustainable & ethical practices in the natural products industry. Through science & innovation, we are committed to delivering safe, effective nutrients for optimal wellness.

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8.1

Pure Encapsulations

Pure Encapsulations Melatonin-SR - Extended Release Melatonin - Supports Restful Sleep* - Sleep Supplement - Gluten Free & Vegan - 60 Capsules

Free Shipping

Main Highlights

Sleep Support: Our Pure Encapsulations Melatonin-SR ensures prolonged absorption for a 6-hour sleep supplement support*
Restful Sleep Support: Melatonin SR aids relaxation and sleep patterns to support a peaceful nights sleep*
Pure Ingredients for Natural Support: Supports the body's circadian rhythm and endocrine secretions for high-quality gluten-free sleep supplementation*
Suggested Use: As a dietary supplement, take 1 sleep supplement capsule 30-60 minutes before bedtime
Pure Difference: What we leave out matters, too; Pure Encapsulations products are FREE FROM common allergens, artificial or unnecessary ingredients, and GMOs

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8.1

Pure Encapsulations

Pure Encapsulations Melatonin 3 mg - Antioxidant Supplement to Support Natural Sleeping & Relief of Occasional Sleeplessness - for Natural Sleep Support* - 180 Capsules

Free Shipping

Main Highlights

Melatonin Supports Sleep Cycle: Melatonin helps facilitate the natural functioning of the pineal gland to support the body's sleep and wake cycle*
Restful Sleep Support: Aids relaxation in the body for restful sleep; designed to assist in the duration of sleep to help support your natural sleep cycle*
Pineal Gland Support: Melatonin is a hormone produced by the pineal gland and is secreted in a circadian rhythm by enzymes that are activated by darkness*
Pure Quality: Our supplements are made with premium ingredients sourced from trusted suppliers and guided by nutritional experts, then manufactured and tested to verify potency and purity*
Pure Difference: What we leave out matters, too; Pure Encapsulations products are free from common allergens, artificial or unnecessary ingredients, and GMOs

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Our Best Overall Choice

Best Choice

9.7

THORNE

THORNE Melaton-3-3mg Melatonin - Supports Circadian Rhythms, Restful Sleep & Relaxation - Gluten, Dairy & Soy-Free - 60 Capsule

Free Shipping

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Melatonin: Supports restful sleep patterns*
Circadian Rhythms: Helps maintain normal circadian rhythms*
Jet Lag: Provides a benefit for shift workers and travelers with jet lag*
Free From: Every Thorne product is made with the purest possible ingredients - without gluten or other major allergens (eggs, tree nuts, peanuts) This product also contains no soy, dairy, shellfish, or fish
Thorne's commitment to integrity and science-backed products has helped us earn the trust of thousands of health-care professionals, U.S. National Teams, the Mayo Clinic, and families around the world

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Related Deals You Might Like for Melatonin Third Party Tested

Vitamatic Melatonin 20 mg Tablets | Vegetarian, Non-GMO, Gluten Free | HIGH Potency 20 MG | Natural Berry Flavor 120 Tablets

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Puritan's Pride Premium Super Strength Melatonin 10mg Sleep Aid, Dietary Supplement for Sound, Restful, and Longer Sleep Support, 4 Month Supply, 120 Rapid Release Capsules (Packaging May Vary)

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Vitabod Melatonin 20 mg - 240 Fast Dissolve Tablets - Drug Free - Natural Berry Flavor - Vegetarian, Non-GMO, Gluten Free 240 Count (Pack of 1) (240 Count (Pack of 1))

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Nutricost Melatonin 5mg, 240 Tablets - 5mg Per Serving, Non-GMO, Gluten Free

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Natrol Melatonin 5mg Fast Dissolve Tablets, Sleep Support Supplements for Adults, Strawberry Flavor, 200 Tablets, Up to 200 Day Supply

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Pure Encapsulations Melatonin 3 mg - Antioxidant Supplement to Support Natural Sleeping & Relief of Occasional Sleeplessness - for Natural Sleep Support* - 60 Capsules

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Nordic Naturals Zero Sugar Melatonin Gummies, Raspberry - 60 Gummies - 1.5 mg Melatonin - Great Taste - Restful Sleep, Antioxidant Support - Non-GMO, Vegan - 60 Servings

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Micro Ingredients Melatonin 20mg Tablets, 400 Counts, Natural Strawberry Flavor, Fast Dissolve | No Drug, Vegetarian Friendly, Non-GMO & No Gluten

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Micro Melatonin | Low Dose Melatonin 250mcg | with Natural Cherry | Safe for Kids | 120 Tablets | Made in The USA

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Relaxium Sleep Aid for Adults, Melatonin 5mg with Magnesium Glycinate, Sleep-Promoting Valerest & Ashwagandha, Non-Habit Forming Sleep Supplement, 60 Capsules, 30-Day Supply

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Special Amazon deal ends in:

10 Best Melatonin Third Party Tested of 2025

Tested and Reviewed: Top 10 Melatonin Third Party Tested deals with expert ratings from 8.1 to a perfect 10

THORNE

THORNE Melaton-3-3mg Melatonin - Supports Circadian Rhythms, Restful Sleep & Relaxation - Gluten, Dairy & Soy-Free - 60 Capsule

Editor's bottom line:

Main Highlights

Nature Made

Nature Made Melatonin 3mg Tablets, 100% Drug Free Sleep Aid for Adults, 240 Tablets, 240 Day Supply

Main Highlights

Nature's Bounty

Nature’s Bounty Melatonin 3mg, 100% Drug Free Sleep Aids for Adults, Supports Relaxation and Sleep, Dietary Supplement, 240 Count (Cherry Flavour - Packaging May Vary)

Main Highlights

NOW Foods

NOW Foods Supplements, Melatonin 3 mg, Free Radical Scavenger*, Healthy Sleep Cycle*, 180 Veg Capsules

Main Highlights

Natrol

Natrol Fast Dissolve Melatonin 3 mg, Melatonin Supplements for Restful Sleep, Sleep Support for Adults, 150 Strawberry-Flavored Tablets, Up to a 150 Day Supply

Main Highlights

Nutricost

Nutricost Melatonin 5mg, 240 Capsules - 5mg Per Serving, Non-GMO, Gluten Free

Main Highlights

NOW Foods

NOW Foods Supplements, Melatonin 5 mg, Free Radical Scavenger*, Healthy Sleep Cycle*, 180 Count (Pack of 1)

Main Highlights

Nordic Naturals

Nordic Naturals Zero Sugar Melatonin Gummies, Raspberry - 60 Gummies - 1.5 mg Melatonin - Great Taste - Restful Sleep, Antioxidant Support - Non-GMO, Vegan - 60 Servings

Main Highlights

Pure Encapsulations

Pure Encapsulations Melatonin-SR - Extended Release Melatonin - Supports Restful Sleep* - Sleep Supplement - Gluten Free & Vegan - 60 Capsules

Main Highlights

Pure Encapsulations

Pure Encapsulations Melatonin 3 mg - Antioxidant Supplement to Support Natural Sleeping & Relief of Occasional Sleeplessness - for Natural Sleep Support* - 180 Capsules

Main Highlights

Our Best Overall Choice

THORNE

THORNE Melaton-3-3mg Melatonin - Supports Circadian Rhythms, Restful Sleep & Relaxation - Gluten, Dairy & Soy-Free - 60 Capsule

Editor's bottom line:

Main Highlights

Related Deals You Might Like for Melatonin Third Party Tested

Vitamatic Melatonin 20 mg Tablets | Vegetarian, Non-GMO, Gluten Free | HIGH Potency 20 MG | Natural Berry Flavor 120 Tablets

Puritan's Pride Premium Super Strength Melatonin 10mg Sleep Aid, Dietary Supplement for Sound, Restful, and Longer Sleep Support, 4 Month Supply, 120 Rapid Release Capsules (Packaging May Vary)

Vitabod Melatonin 20 mg - 240 Fast Dissolve Tablets - Drug Free - Natural Berry Flavor - Vegetarian, Non-GMO, Gluten Free 240 Count (Pack of 1) (240 Count (Pack of 1))

Nutricost Melatonin 5mg, 240 Tablets - 5mg Per Serving, Non-GMO, Gluten Free

Natrol Melatonin 5mg Fast Dissolve Tablets, Sleep Support Supplements for Adults, Strawberry Flavor, 200 Tablets, Up to 200 Day Supply

Pure Encapsulations Melatonin 3 mg - Antioxidant Supplement to Support Natural Sleeping & Relief of Occasional Sleeplessness - for Natural Sleep Support* - 60 Capsules

Nordic Naturals Zero Sugar Melatonin Gummies, Raspberry - 60 Gummies - 1.5 mg Melatonin - Great Taste - Restful Sleep, Antioxidant Support - Non-GMO, Vegan - 60 Servings

Micro Ingredients Melatonin 20mg Tablets, 400 Counts, Natural Strawberry Flavor, Fast Dissolve | No Drug, Vegetarian Friendly, Non-GMO & No Gluten

Micro Melatonin | Low Dose Melatonin 250mcg | with Natural Cherry | Safe for Kids | 120 Tablets | Made in The USA

Relaxium Sleep Aid for Adults, Melatonin 5mg with Magnesium Glycinate, Sleep-Promoting Valerest & Ashwagandha, Non-Habit Forming Sleep Supplement, 60 Capsules, 30-Day Supply

Deals are Live

NOW Foods Supplements, Melatonin 3 mg, Free Radical Scavenger, Healthy Sleep Cycle, 180 Veg Capsules

NOW Foods Supplements, Melatonin 5 mg, Free Radical Scavenger, Healthy Sleep Cycle, 180 Count (Pack of 1)