🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 60% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

2 Chewable Tablet(s) Serving Size
5 Servings
Other Combinations Product Type
60% Evidence Coverage

Supplement Facts — Evidence Check

Calories
15 Calorie(s)
Total Carbohydrates
3 Gram(s) (1% DV)
📊 Market median: 200.0mg (358 products) 📚 9 studies (Tier A: 0, B: 2)
This product: 200mg
30 mg
📊 Market median: 100.0mg (116 products) 📚 15 studies (Tier A: 0, B: 3)
This product: 30mg
3 mg
📊 Market median: 3.0mg (984 products) 📚 236 studies (Tier A: 2, B: 109)
This product: 3mg UL 10mg

Other Ingredients

Cane Sugar Stearic Acid Xylitol Silica natural Fruit flavors Citric Acid Magnesium Stearate

Label Claims — Verification

All Other
Structure/Function
All Other (99% of products) Structure/Function (92% of products) Nutrient (22% of products)

Target Groups

Vegan Vegetarian Adult (18 - 50 Years) Gluten Free Dairy Free

Product Information

📋 Directions for Use

Suggested Usage: Chew 2 tablets at bedtime or as directed by a health professional.

⚠️ Warnings & Precautions

Cautions: As with any supplement, consult your health professional before use if you are pregnant, breastfeeding, or trying to conceive, or if you are taking medication, have a medical condition, or anticipate a surgery.

Keep out of the reach of children.

Sealed for your protection. Do not use if seal is broken.

🧪 Formulation Notes

Contains no artificial colors, preservatives, or sweeteners; no dairy, wheat, gluten, yeast, soy, egg, fish, shellfish, animal products, salt, tree nuts, or GMOs.

Suitable for vegetarians/vegans.

5-HTP, Suntheanine & Melatonin

Additional Information

isura Non-GMO - Mass spec Documentation - Lab tested

Tranquil Sleep formula is a unique combination of compounds that support relaxation and enhance natural sleep quality. In a tasty, tropical fruit-flavored chewable tablet. Manufactured by Natural Factors to ensure safety and potency in accordance with Good Manufacturing Practices (GMP) of the FDA and Health Canada.

For freshness, store in a cool, dry place.

Product of Canada

Purity & potency guaranteed

Advanced fast acting formula

R3

Product Details

UPC / SKU 0 68958 28311 1
DSLD Entry Date 2017-07-25
Product Type Other Combinations
Form Tablet or Pill
DSLD ID 76680
Data Updated 2026-04-11

Research Evidence

37 Research Sources
53 Avg Quality Score
22 Rct
10 Systematic Review
3 Meta Analysis
1 Clinical Trial
1 Openfda Safety
B Examining the effect of L-theanine on sleep: a systematic review of dietary supplementation trials
Systematic Review Nutritional neuroscience 2026
B The effects of L-theanine consumption on sleep outcomes: A systematic review and meta-analysis
Meta Analysis Sleep medicine reviews 2025
B The combination of L-theanine and caffeine improves cognitive performance and increases subjective alertness
Rct Nutritional neuroscience 2010
B Effects of L-Theanine Administration on Stress-Related Symptoms and Cognitive Functions in Healthy Adults: A Randomized Controlled Trial
Rct Nutrients 2019
B The Role of Supplements and Over-the-Counter Products to Improve Sleep in Children: A Systematic Review
Systematic Review International journal of molecular sciences 2023
B Effects of Tea (Camellia sinensis) or its Bioactive Compounds l-Theanine or l-Theanine plus Caffeine on Cognition, Sleep, and Mood in Healthy Participants: A Systematic Review and Meta-Analysis of Randomized Controlled Trials
Meta Analysis Nutrition reviews 2025
B Effect of Alpha-S1-Casein Tryptic Hydrolysate and L-Theanine on Poor Sleep Quality: A Double Blind, Randomized Placebo-Controlled Crossover Trial
Rct Nutrients 2022
B Effect of L-theanine on selective attention in a traffic-related reaction task in sleep-deprived young adults: a double-blind placebo-controlled, crossover study
Rct Nutritional neuroscience 2025
B The combined effects of L-theanine and caffeine on cognitive performance and mood
Rct Nutritional neuroscience 2008
B Acute effects of tea constituents L-theanine, caffeine, and epigallocatechin gallate on cognitive function and mood: a systematic review and meta-analysis
Meta Analysis Nutrition reviews 2014
View all evidence for L Theanine →

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