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Tranquil Sleep

Natural Factors Stress-Relax
4.5
★ ★ ★ ★ ★
(3274 ratings)
Theanine 200 mg
Melatonin 3 mg
5-HTP 30 mg
Product Image
Score94

A fast-acting chewable sleep aid with premium theanine and a pleasant taste.

How scoring works
Quantity:60 Tablet(s) • (30 servings)
Goals:
Sleep Support
Brain Health
Stress Relief
Cognitive Support
Mood Support
Productivity Boost

Score 94

A fast-acting chewable sleep aid with premium theanine and a pleasant taste.

How scoring works

Also available as

2 options
6.00mg • 60 Tablet(s) servings Melatonin 6 mg, 5-HTP 15 mg +1 more • 60 Tablet(s) • 60 servings $34.97 ($0.58 per serving) 120 servings Melatonin 3 mg, 5-HTP 30 mg +1 more • 120 Tablet(s) • 60 servings $41.97 ($0.69 per serving)
$22.37($0.74 per serving)
iHerb
$ 22.37
Amazon
$ 22.37
Walmart
$ 22.37
Vitacost
$ 22.37
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Analysis

These chewable tablets deliver Suntheanine, 5-HTP, and melatonin in a tasty format that starts working quickly. Since you chew them, the ingredients begin to absorb earlier than a swallowed capsule. They are great for keeping on your nightstand for occasional use.

The dose of theanine is a full 200mg, which is excellent for calming mental chatter. It helps you get into the right headspace for sleep without feeling heavily drugged. This is a practical and high-quality solution for nighttime stress.

Pros

  • Fast-acting chewable format
  • Includes 200mg of Suntheanine
  • Great for those who dislike pills
  • No water needed to take

Cons

  • Contains 3g of carbs per serving
  • Higher cost per dose than tablets
  • Only 30 servings per bottle

Warnings

  • Keep away from children
  • Do not drive for several hours after use
  • Best taken 30-45 minutes before bed

Nutrient quality

95 Highest impact

Premium branded Suntheanine ensures high isomer purity for mental relaxation. The combination of ingredients targets multiple pathways for sleep, although chewable forms introduce more carbohydrates.

Ingredient transparency

100 Highest impact

All active components and nutritional values are clearly listed on the supplement facts panel. Branded ingredient transparency provides clarity on the source and quality of the raw materials.

Customer satisfaction

94 Highest impact

High ratings across a large volume of reviews suggest that the chewable format is effective and palatable. Users frequently report success with falling asleep faster and experiencing restful nights.

Value for money

83 Highest impact

The cost per serving is higher than the softgel version but reflects the convenience of a chewable delivery system. It remains a competitive option given the inclusion of high-quality Suntheanine.

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Goals

Sleep Support
Impact
Highest effect
A+ Goal FitA+ Strength of SupportA CoverageA+ Formula Quality

Suntheanine and melatonin provide potent support for relaxation and circadian regulation in a chewable format. This combination is effective for reducing sleep latency and promoting a calm mental state.

L-theanine and 5-HTP appear well aligned with the support of restful sleep through neurotransmitter balance. Melatonin supports the natural sleep-wake cycle for consistent nighttime rest.

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Brain Health
Impact
Highest effect
A Goal FitA+ Strength of SupportB+ CoverageA+ Formula Quality

Suntheanine L-Theanine and 5-HTP are combined with melatonin to support the brain's transition into restorative sleep. These standardized ingredients may contribute to healthy neurotransmitter balance for mental calm and focus.

A potent 200mg dose of Suntheanine supports the induction of alpha brain waves for a state of relaxation. The use of branded, standardized forms ensures high purity and active potency for cognitive recovery.

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Stress Relief
Impact
Highest effect
A Goal FitA Strength of SupportB+ CoverageA+ Formula Quality

Suntheanine L-theanine and 5-HTP are combined in this chewable tablet to support relaxation and emotional wellbeing before bed. The inclusion of melatonin further contributes to a healthy sleep cycle, which is a vital part of managing daily stress.

Chewable delivery allows for rapid biological availability of the active calming agents. While the 200mg dose of theanine is meaningfully potent, the formula is specialized for nighttime use and does not provide daytime adaptogenic support.

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Cognitive Support
Impact
Highest effect
A Goal FitA+ Strength of SupportB+ CoverageA Formula Quality

Cognitive support through relaxation is provided in a convenient chewable format.

Suntheanine and 5-HTP are combined with Melatonin to support mental calm and focus.

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Mood Support
Impact
Highest effect
A Goal FitA- Strength of SupportB+ CoverageA+ Formula Quality

Suntheanine L-theanine and 5-HTP are combined in a chewable tablet to facilitate relaxation and emotional balance. The 200 mg theanine dose is a therapeutic serving for managing occasional stress.

While the 30 mg of 5-HTP is modest, it provides supplemental support for serotonin pathways. This product appears well aligned with promoting a calm mental state during the evening hours.

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Productivity Boost
Impact
Highest effect
B- Goal FitA+ Strength of SupportC+ CoverageA Formula Quality

Suntheanine L-Theanine and 5-HTP are combined in this chewable formula to support mental clarity and relaxation. These ingredients provide a high-quality strategy for modulating the stress response, which is essential for maintaining productivity under pressure.

While the formula includes melatonin, it focuses on providing the calming amino acids that facilitate deep recovery. This product is best suited for those looking to improve their rest to ensure high levels of cognitive performance during their active hours.

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Mental Focus
Impact
Moderate effect
F Goal FitA Strength of SupportF CoverageD+ Formula Quality

Suntheanine L-theanine, 5-HTP, and melatonin provide a synergistic approach to nighttime relaxation in a chewable format. The 200mg theanine dose is well-aligned with calm focus, but the melatonin component is designed to induce drowsiness.

While effective for sleep support, the formula is poorly suited for daytime mental focus and alertness. This supplement is better used for evening rest and recovery rather than for sharpening cognitive performance during the day.

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Ingredients

IngredientAmount per serving
Calories
15 Calorie(s)
Total Carbohydrates
3 Gram(s)
Suntheanine L-Theanine
200 mg
5-HTP (Griffonia simplicifolia)
 30 mg
Melatonin
3 mg
Gluten Free Adults 18–50 Vegan Dairy Free Vegetarian
Report overview
Theanine · 200 mg OverallScore96
A+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyB+ Value
This chewable sleep formula provides 200mg of premium Suntheanine along with supportive doses of 5-HTP and melatonin. It is a high-quality, fast-acting option for managing occasional nighttime restlessness.
View ingredientView products
Melatonin · 3 mg OverallScore65
C Active Ingredient Quality & BioavailabilityB+ Dose, Safety & Label TransparencyF Value
These chewable tablets offer 3mg of melatonin alongside calming amino acids for rapid effect. They are an excellent option for stress-related sleep onset issues in a fast-acting format.
View ingredientView products
5-HTP (Griffonia simplicifolia) · 30 mg OverallScore47
C+ Active Ingredient Quality & BioavailabilityD+ Dose, Safety & Label TransparencyF Value
This chewable tablet version of Tranquil Sleep offers a convenient way to support sleep without needing water. However, the very low dose of 5-HTP and high cost make it a poor choice for those needing effective serotonin support.
View ingredientView products
94 Value

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Tranquil Sleep

Natural Factors Stress-Relax
4.4
★★★★★
(2035 ratings)
Delivers the same high-quality Suntheanine and 5-HTP blend in a softgel format with more servings per container. Offers better long-term value while maintaining the exact ingredient profile for sleep onset.
Other sellers (2)
93 Value

Extra Strength Tranquil Sleep

Natural Factors Stress-Relax
4.5
★★★★★
(2411 ratings)
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Other sellers (2)
95 Value

Genius Sleep Aid

The Genius Brand
5.0
★★★★★
(2422 ratings)
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Other sellers (1)
94 Performance

Sleep Nighttime Powder

youtheory
4.3
★★★★★
(171 ratings)
Provides a sophisticated powder formula with 3000mg of glycine and magnesium citrate for superior absorption. Supports restorative sleep cycles and neurotransmitter balance through an extensive amino acid profile.
Other sellers (2)
94 Performance

Superior Sleep

Doctor's Best
4.3
★★★★★
(457 ratings)
Incorporates 200mg of 5-HTP and ashwagandha extract to provide intensive support for the nervous system. Helps regulate the body's stress response and supports mental focus the following day.
Other sellers (3)
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Lights Out Sleep

ALLMAX
4.4
★★★★★
(545 ratings)
Features a multi-layered complex of valerian, GABA, and lavender to support deep relaxation. Provides meaningful doses of vitamin B6 and 5-HTP to assist in natural melatonin and serotonin production.
Other sellers (1)
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