🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 50% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

4 Vegetarian Capsule(s) Serving Size
30 Servings
Other Combinations Product Type
50% Evidence Coverage

Supplement Facts — Evidence Check

300 mg (71% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 300mg
GABA
500 mg
450 mg
📊 Market median: 500.0mg (180 products) 📚 5 studies (Tier A: 0, B: 1)
This product: 450mg
200 mg
📊 Market median: 200.0mg (358 products) 📚 9 studies (Tier A: 0, B: 2)
This product: 200mg
Magnolia extract
60 mg
📊 Market median: 500.0mg (138 products) 📚 2 studies — no high-quality reviews
This product: 100mg

Other Ingredients

Hydroxypropyl Methylcellulose Vegetable Magnesium Stearate Silicon Dioxide

Label Claims — Verification

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

Target Groups

Vegan Vegetarian Adult (18 - 50 Years) Gluten Free

Product Information

📋 Directions for Use

Suggested Daily Intake: Take 4 capsules daily.

⚠️ Warnings & Precautions

Warning: If you are pregnant, may become pregnant, or breastfeeding, or taking any medication including anti-depressant drugs such as MAOIs, SSRIs, or other neuropsychiatric drugs or supplements such as St. John's wort, consult your health care professional before using this product.

Excessive consumption may impair ability to drive or operate heavy equipment. Not recommended for consumption with alcoholic beverages.

Keep out of reach of children.

Do not use this product if the safety seal on the bottle is broken.

🧪 Formulation Notes

VG Vegan

Gluten free Non-GMO

Additional Information

GMP Compliant VG Vegan Gluten free Non-GMO

Premium quality guaranteed since 2001. BIOVEA is committed to product quality to support you and your family's wellness goals. Because we feel so strongly about the quality, potency and purity of our products, we 100% guarantee your satisfaction with every purchase.

Store in a cool, dry place.

Guaranteed premium quality

Relaxation

Product Details

UPC / SKU 8 18423 02422 6
DSLD Entry Date 2019-10-23
Product Type Other Combinations
Form Capsule
Brand BIOVEA
DSLD ID 208527
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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