If you struggle to fall asleep or stay asleep through the night, you have likely considered a melatonin supplement. Two of the most trusted names in this space are Natrol and NOW. Natrol offers a wide range of fast dissolve tablets, time release formulas, and even a liquid option, while NOW provides a classic, no-frills capsule at a lower dose. In this 2026 comparison, we evaluate five popular products from both brands to help you decide which melatonin supplement fits your lifestyle best. We also share our methodology and buying criteria so you can make an informed choice. For more comparisons like this, check out our COMPARISONS category.

1
Best Seller

Natrol Melatonin 10 mg Time Release Nighttime

Natrol
9.9 /10
AI Score
AI score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the AI tool. This score doesn't impact from any manufacturer or sales agent websites. Learn more ›
This Natrol Melatonin 10 mg Time Release sleep aid uses a dual-layer tablet to help you fall asleep fast and stay asleep through the night, with a 100-day supply in a non-habit forming formula. It is ideal for adults seeking a drug-free supplement to support healthy sleep cycles.
Pros & Cons

Pros

  • Effective dual-release mechanism for both falling and staying asleep
  • Large 100-count bottle provides excellent value for regular use
  • Non-habit forming, drug-free formula enhances safety and peace of mind
  • Includes Vitamin B6 to further support sleep cycle regulation
  • High customer rating indicates strong user satisfaction

Cons

  • 10 mg dosage may be too strong for some individuals; consider starting with lower doses
  • Only one size option available (100 count); no smaller trial pack offered
  • Time release tablets may not dissolve uniformly for all users
Detailed Review

Natrol Melatonin 10 mg Time Release is a dietary supplement designed for adults who struggle with falling asleep or staying asleep through the night. The dual-layer tablet delivers an initial quick-release dose to help you drift off quickly, followed by a controlled-release inner layer that provides sustained melatonin levels to support uninterrupted sleep. This product is ideal for those with occasional insomnia, jet lag, or shift work sleep disruption who prefer a non-habit forming, drug-free solution.

The standout feature of this supplement is its innovative time release formulation. The outer layer dissolves rapidly to deliver 10 mg of melatonin for fast sleep onset, while the inner layer releases the remaining melatonin gradually over several hours. This design aims to mimic the body's natural melatonin production pattern, helping users not only fall asleep but also maintain deep sleep throughout the night. Many users report waking up feeling refreshed without grogginess, which is a common concern with higher-dose immediate release melatonin.

Build quality is solid: the tablets are compact, easy to swallow, and come in a sturdy bottle with a child-resistant cap. The 100-count supply offers a generous 100-day supply if taken as directed, making it a cost-effective choice for regular users. Natrol is a well-known brand in the supplement industry, and this product lives up to its reputation for purity and potency, being free from artificial colors, gluten, and major allergens.

A potential drawback is the fixed 10 mg dosage, which may be too high for melatonin-sensitive individuals. Those new to melatonin should consider starting with a lower dose (e.g., 5 mg) before moving to 10 mg. Additionally, the time release mechanism may vary in effectiveness based on individual digestive rates; some users might experience uneven release. However, for most adults, this product offers a reliable and convenient sleep aid solution.

Overall, the Natrol Melatonin 10 mg Time Release earns a strong recommendation for its effective dual-layer technology, long-lasting supply, and safety profile. It is a practical choice for anyone seeking a dependable, non-prescription sleep support supplement. While the dosage may not suit everyone, its high user ratings and thoughtful design make it a top contender in the melatonin market.

2
Editor's Pick

Natrol Melatonin 5 mg Fast Dissolve Tablets

Natrol
9.9 /10
AI Score
AI score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the AI tool. This score doesn't impact from any manufacturer or sales agent websites. Learn more ›
Natrol Melatonin 5 mg Fast Dissolve Tablets are a drug-free, strawberry-flavored sleep aid that helps you fall asleep in as little as 15 minutes. Ideal for light sleepers, travelers, and anyone seeking a non-habit-forming supplement for restful sleep.
Pros & Cons

Pros

  • Fast-acting formula promotes sleep in 15 minutes
  • Easy to take with no water needed
  • Great strawberry taste makes it pleasant to use
  • Non-habit forming and drug-free for peace of mind
  • Portable and ideal for travel or on-the-go use

Cons

  • 5 mg dosage may be too low for those with severe sleep issues
  • Results can vary from person to person
  • Melatonin may cause drowsiness if taken too late or in excess
Detailed Review

Natrol Melatonin 5 mg Fast Dissolve Tablets are a convenient sleep aid designed for adults who struggle with falling or staying asleep. With a delicious strawberry flavor and a fast-dissolving formula, these tablets are perfect for light sleepers, frequent travelers, or anyone seeking a drug-free way to improve sleep quality.

The standout feature is its speed: it begins working in as little as 15 minutes, helping you drift off faster and stay asleep longer. Users appreciate the non-habit forming, vegetarian formula that supports restful sleep without grogginess. The 5 mg dosage is a moderate strength suitable for most adults.

Design-wise, the tablets are small and dissolve quickly on the tongue, requiring no water. This makes them ideal for use in bed or while traveling. The strawberry flavor is pleasant and masks any bitter aftertaste common with melatonin supplements.

One potential drawback is that 5 mg may not be sufficient for individuals with severe insomnia or those who have built tolerance. Additionally, as with any sleep supplement, results vary. It is always advisable to start with a lower dose and adjust as needed.

Overall, Natrol Melatonin 5 mg Fast Dissolve Tablets offer a reliable, tasty, and hassle-free solution for occasional sleep issues. Their high rating reflects strong user satisfaction, making them a top choice in the sleep supplement category.

Specifications

Size: 200 Count (Pack of 1)

Dimensions: 4.75 x 2.31 x 2.312 Inches

Weight: 0.26 Pounds

Product Group: Drugstore

Binding: Health and Beauty

Flavor: Strawberry

Form: Fast Dissolve Tablet

3
Limited Time

Natrol Melatonin 10mg Fast Dissolve Tablets

Natrol
9.9 /10
AI Score
AI score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the AI tool. This score doesn't impact from any manufacturer or sales agent websites. Learn more ›
Natrol's 10mg fast dissolve melatonin tablets deliver a potent, drug-free sleep aid in a tasty strawberry form that dissolves quickly without water. Ideal for adults who struggle with falling or staying asleep, especially frequent travelers, this supplement is vegetarian, non-habit forming, and supports restful sleep in as little as 15 minutes.
Pros & Cons

Pros

  • Fast-dissolving and great-tasting strawberry flavor
  • Potent 10mg dose for strong sleep support
  • Vegetarian, drug-free, and non-habit forming
  • Convenient for travel and on-the-go use
  • High customer satisfaction with a 4.8 out of 5 rating

Cons

  • 10mg may be too strong for some users, potentially causing next-day grogginess
  • Not suitable for children or pregnant/nursing women without medical advice
  • Strawberry flavor may not appeal to those who prefer unflavored or mint options
Detailed Review

Natrol Melatonin 10mg Fast Dissolve Tablets offer a powerful, fast-acting solution for adults struggling with sleep. Whether you're a light sleeper, a frequent traveler, or simply need help staying asleep, these strawberry-flavored tablets are designed to help you fall asleep in as little as 15 minutes. The 10mg dose is on the higher end, making it ideal for those who need extra support, but it might be too strong for beginners or those sensitive to melatonin.

In terms of real-world performance, users praise the product for its effectiveness in promoting longer, more restful sleep. The fast-dissolve format means you don't need water, which is incredibly convenient for middle-of-the-night wake-ups or when you're on the go. The strawberry flavor is a pleasant bonus, masking any unpleasant aftertaste often associated with supplements. Many reviewers note waking up feeling refreshed without the grogginess that can come from other sleep aids.

Design and build quality are solid: each tablet is individually sealed in a sturdy bottle, ensuring freshness and portability. The vegetarian formula is a plus for those with dietary restrictions, and the fact that it's 100% drug-free and non-habit forming adds to its appeal. However, as with any supplement, it's important to consult a healthcare provider if you have underlying conditions or are taking other medications.

A potential drawback is that 10mg might be too high for some, leading to next-day drowsiness or vivid dreams. If you're new to melatonin, you might want to start with a lower dose. Additionally, the strawberry flavor, while tasty to many, might not be to everyone's liking. But for those who need a robust, effective sleep aid, this is a top contender.

Overall, Natrol Melatonin 10mg Fast Dissolve Tablets deliver on their promise of better sleep. They're convenient, effective, and well-received by users, making them a worthy addition to any bedtime routine. If you're looking for a reliable, non-habit-forming sleep supplement, this is an excellent choice.

Specifications

Brand: Natrol

Form: Fast Dissolve Tablet

Flavor: Strawberry

Count: 100 Tablets

Dosage: 10mg Melatonin per Serving

Dimensions: 2.31 x 2.31 x 4.3 inches

Weight: 0.13 Pounds

Dietary Features: Vegetarian, Drug-Free, Non-Habit Forming

Product Group: Drugstore / Health and Beauty

4
Top Rated

Natrol Liquid Melatonin for Adults

Natrol
9.8 /10
AI Score
AI score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the AI tool. This score doesn't impact from any manufacturer or sales agent websites. Learn more ›
Natrol's liquid melatonin delivers 2.5 mg of melatonin per serving in a tasty berry formula, helping adults fall asleep faster and stay asleep longer. Perfect for those who prefer liquid drops over pills, it's a gentle, non-habit-forming sleep support.
Pros & Cons

Pros

  • Fast-acting formula promotes sleep quickly
  • Pleasant berry flavor masks melatonin's natural taste
  • Liquid form absorbs faster than pills
  • Free from common allergens
  • Convenient 8 fl oz bottle with dropper

Cons

  • Fixed 2.5 mg dose may not suit those needing higher amounts
  • Liquid requires measuring each dose, less portable than pills
  • Flavor may not appeal to all users
Detailed Review

The Natrol Liquid Melatonin for Adults is a sleep aid designed for individuals struggling with occasional sleeplessness. This liquid formula delivers 2.5 mg of melatonin per serving, helping you fall asleep faster and stay asleep longer. It's an excellent choice for those who dislike swallowing pills or prefer a faster-acting alternative.

One of the standout features is its rapid onset, with many users reporting sleep induction within 15 minutes. The berry flavor makes it palatable, and the liquid form ensures quick absorption. In practice, this product works well for resetting sleep patterns, especially after travel or stressful periods. The included dropper allows for precise dosing, though you'll need to measure each serving.

The packaging is practical: an 8 fl oz amber bottle with a labeled dropper, providing a 23-day supply. The liquid itself is clear and lightly thickened, easy to dispense. The berry flavor is pleasant without being overly sweet. The bottle is sturdy and travel-friendly, though you'll need to keep it upright to avoid leaks.

The main drawback is the fixed 2.5 mg dose, which might be insufficient for those who require higher melatonin levels. Additionally, the liquid form may not be as convenient as pre-measured pills for on-the-go use. Some users might find the flavor slightly medicinal, though it's generally well-received.

Overall, the Natrol Liquid Melatonin is a reliable and effective sleep support option. Its fast action, pleasant taste, and allergen-free formula make it a strong contender in the sleep supplement market. If you prefer liquid supplements and need a gentle nudge to fall asleep, this product is worth considering.

Specifications

Color: Purple

Size: 8 Fl Oz (Pack of 1)

Dimensions: 2.18 x 2.18 x 5.9 inches

Weight: 0.6 pounds

Serving Size: 2.5 mg melatonin per dropper

Flavor: Berry

5

NOW Supplements Melatonin 3 mg, 180 Veg Capsules

NOW
9.7 /10
AI Score
AI score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the AI tool. This score doesn't impact from any manufacturer or sales agent websites. Learn more ›
This melatonin supplement from NOW provides 3 mg per capsule to help regulate sleep cycles. With 180 vegan capsules, it's a reliable choice for those seeking natural sleep support.
Pros & Cons

Pros

  • Effective 3 mg dose for sleep regulation
  • 180 capsules provide a long-lasting supply
  • Vegan and non-GMO formulation
  • GMP certified for consistent quality
  • Affordable price for a premium supplement

Cons

  • May cause morning drowsiness in some users
  • Not recommended for children without medical advice
  • Individual results can vary based on sleep hygiene
Detailed Review

NOW Supplements Melatonin 3 mg is a dietary supplement designed to support healthy sleep cycles. It is ideal for adults experiencing occasional sleeplessness or jet lag, and those looking to regulate their circadian rhythm naturally. Each capsule provides a moderate dose of melatonin, a hormone naturally produced by the pineal gland.

The standout feature is its role as a free radical scavenger, which also supports immune and gastrointestinal health. Users report falling asleep faster and experiencing deeper sleep, thanks to the consistent 3 mg dosage. The 180-vegan capsule count offers excellent value for long-term use.

NOW is a trusted brand with GMP certification, ensuring each batch is tested for potency and purity. The capsules are off-white and easy to swallow, with no artificial additives. The packaging is compact and travel-friendly, though the bottle could be more child-resistant.

A potential drawback is that some users may feel groggy if they take too high a dose or don't allow enough sleep time. It is not recommended for children or pregnant women without consulting a doctor. As with any supplement, results vary based on individual sleep habits and health conditions.

Overall, NOW Supplements Melatonin 3 mg delivers reliable sleep support at an affordable price. Its quality manufacturing and additional health benefits make it a solid choice for anyone seeking a natural sleep aid. We recommend starting with one capsule 30 minutes before bedtime.

Buying Guide

Dosage Forms

Melatonin is available in many formats, and your preference matters. Natrol excels here with fast dissolve tablets in strawberry flavor, time release tablets, and a liquid version. The fast dissolve options dissolve in your mouth without water, making them convenient for travel or late‑night use. The time release tablet from Natrol uses a dual‑layer design: the outer layer dissolves quickly to help you fall asleep fast, while the inner layer releases melatonin gradually through the night. In contrast, NOW offers only veg capsules, which you swallow with water. If you dislike swallowing pills, Natrol’s alternatives are a clear advantage.

Liquid melatonin provides flexibility in dosing. Natrol’s liquid comes in a berry flavor and can be easily adjusted drop by drop. For those who prefer a traditional pill, NOW’s capsules are simple and reliable. Consider which format aligns with your daily routine when choosing.

Potency Options

Both brands offer a range of dosages, but Natrol covers a broader spectrum. Natrol has 5 mg and 10 mg fast dissolve tablets, a 10 mg time release, and a 2.5 mg liquid. NOW, in this comparison, is only available in 3 mg capsules. The right dose depends on your sensitivity and sleep issues. Many adults start with 3 mg, but some need higher amounts for occasional sleeplessness or jet lag. Natrol’s 10 mg options suit those who require a stronger supplement, while NOW’s 3 mg works well for a gentle start. Always consult a healthcare professional to find your optimal dose.

Ingredient Quality and Purity

Both Natrol and NOW are reputable brands known for quality. Natrol states its melatonin supplements are 100% drug‑free and non‑habit forming, and the fast dissolve tablets are vegetarian. NOW goes a step further with GMP (Good Manufacturing Practices) certification, meaning every aspect of production is verified for stability and potency. NOW’s melatonin is also sourced from a trusted facility that carries NPA A‑rated certification. If third‑party validation matters to you, NOW’s transparency may be appealing. However, Natrol also maintains high standards and offers a satisfaction guarantee.

Special Features

Natrol’s product line includes features that enhance the user experience. The fast dissolve tablets come in a delicious strawberry flavor, and the liquid version is berry‑flavored. The time release formula is ideal for those who wake up in the middle of the night. NOW, on the other hand, keeps things simple: no flavors, no timed release, just pure melatonin in a capsule. For some, this simplicity is a benefit, especially if they are sensitive to flavors or prefer minimal ingredients. Also, Natrol’s liquid provides an alternative for people who have difficulty swallowing pills or want precise dosing.

For additional natural sleep aids, you may find value in our guides on valerian root benefits for sleep and natural sleep aid. If you are exploring other supplements that support sleep, our article on ashwagandha and magnesium for sleep offers additional insights.

Final Thoughts

Both Natrol and NOW deliver effective melatonin supplements, but they cater to different needs. For maximum flexibility in dosage forms and a faster onset, we recommend Natrol Melatonin 10 mg Time Release for those who need all‑night support, and Natrol Melatonin 10 mg Fast Dissolve Tablets for convenient use without water. For a simple, reliable capsule at a lower dose, NOW Supplements, Melatonin 3 mg is an excellent choice for first‑time users or those who prefer a gentle option. Ultimately, your decision should be based on your preferred format, desired potency, and any special features like time release or flavor.

Frequently Asked Questions

Is Natrol or NOW melatonin better? There is no single “better” brand. Natrol offers more variety in forms and strengths, which is great if you need fast dissolve or liquid. NOW provides a solid, high‑quality capsule at a lower dose. Your choice depends on your personal preferences.

What is the best dosage of melatonin for adults in 2026? Most adults start with 3‑5 mg, but individual needs vary. Natrol’s 10 mg options are for those who require a stronger supplement, while NOW’s 3 mg is a common starting point. Always follow the label and consult a doctor.

Can you take Natrol and NOW melatonin together? We do not recommend combining melatonin products from different brands without medical advice, as this could lead to excessive intake. Stick with one product and follow the recommended dosage.

How long does it take for melatonin to work? Fast dissolve tablets from Natrol can help you fall asleep in as little as 15 minutes. Standard capsules like NOW’s may take 30‑60 minutes. For optimal results, take melatonin 30‑60 minutes before bedtime. You can learn more about sleep cycles in our valerian root benefits for sleep guide.