Day

product on market Other (e.g. tea bag) Natrol 🟢 Safety: 92/100
Brand: Natrol
🟢 92/100

This product looks safe

  • Folate: 333mg is 333.0× the Tolerable Upper Intake Level (1.0mg)
  • 100% of ingredients have research evidence
C Label Compliance Grade

Product Label

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Safety Alerts

⚠️ Folate: 333mg is 333.0× the Tolerable Upper Intake Level (1.0mg)

Label Data

1 Tablet(s) Serving Size
10 Servings
Other Combinations Product Type
100% Evidence Coverage

Supplement Facts — Evidence Check

10 mg (590% DV)
📊 7.7× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 10mg UL 100mg
333 mcg DFE (80% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 333.0× (UL: 1.0 mg) 📚 225 studies (Tier A: 10, B: 105)
RDA 0.4mg This product: 333mg UL 1.0mg
50 mcg (2080% DV)
📊 20.8× RDA — above typical dose 📚 138 studies (Tier A: 1, B: 44)
RDA 0.0024mg This product: 0.05mg
50 mg
📊 Market median: 100.0mg (116 products) 📚 15 studies (Tier A: 0, B: 3)
This product: 50mg
50 mg
📊 Market median: 200.0mg (358 products) 📚 9 studies (Tier A: 0, B: 2)
This product: 50mg

Other Ingredients

Dibasic Calcium Phosphate Microcrystalline Cellulose Stearic Acid Hypromellose Silicon Dioxide Magnesium Stearate Cellulose Gum Methylcellulose Glycerin

Label Claims — Verification

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

Target Groups

Vegetarian Adult (18 - 50 Years) Women (not pregnant or lactating) Dairy Free

Product Information

📋 Directions for Use

Directions: Take 1 white tablet, one or two times daily, with food. Do not exceed recommended dose.

⚠️ Warnings & Precautions

Warning: Consult your healthcare professional prior to use if you have or suspect a medical condition, or are taking prescription drugs, including drugs for depression, migraines, Parkinson's disease or psychiatric disorders. Do not use with other supplements containing L-Tryptophan or 5-HTP.

Do not use if you are pregnant, lactating or under the age of 18 years.

Tamper evident packaging. Tablets are sealed in blisters.

🧪 Formulation Notes

No: milk, egg, fish, crustacean shellfish, tree nuts, peanuts, wheat, soybeans, yeast, artificial colors or flavors, added sugar or preservatives

Natrol stress & anxiety daytime formula promotes calm and relaxation during the day: 5-HTP supports serotonin which helps enhance mood. Vitamins B-6, B-12 and Folic Acid help maintain emotional well-being. L-Theanine ensures relaxation without making you drowsy.

Promotes calm & relaxation Helps reduce occasional anxiety 100% drug-free

Vegetarian

Product Details

UPC / SKU 0 47469 05458 8
DSLD Entry Date 2021-12-18
Product Type Other Combinations
Form Other (e.g. tea bag)
Brand Natrol
Bundle Natrol
DSLD ID 257111
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
PubMed DOI
B The effects of L-theanine consumption on sleep outcomes: A systematic review and meta-analysis
Meta Analysis Sleep medicine reviews 2025
PubMed DOI
B The combination of L-theanine and caffeine improves cognitive performance and increases subjective alertness
Rct Nutritional neuroscience 2010
PubMed DOI
B Effects of L-Theanine Administration on Stress-Related Symptoms and Cognitive Functions in Healthy Adults: A Randomized Controlled Trial
Rct Nutrients 2019
PubMed DOI
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
PubMed DOI
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
PubMed DOI
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
PubMed DOI
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
PubMed DOI
B The combined effects of L-theanine and caffeine on cognitive performance and mood
Rct Nutritional neuroscience 2008
PubMed DOI
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
PubMed DOI
View all evidence for L Theanine →

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