🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 67% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

1 Vegetarian Capsule(s) Serving Size
Other Combinations Product Type
67% Evidence Coverage

Supplement Facts — Evidence Check

120 mg
📊 Market median: 200.0mg (358 products) 📚 9 studies (Tier A: 0, B: 2)
This product: 120mg
GABA
100 mg
📊 Market median: 300.0mg (214 products) 📚 23 studies (Tier A: 0, B: 6)
This product: 100mg

Other Ingredients

Vegetable Cellulose Microcrystalline Cellulose Vegetable Magnesium Stearate Silica

Label Claims — Verification

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

Target Groups

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

Product Information

📋 Directions for Use

Suggested Use: As a dietary supplement for adults, take one (1) vegetable capsule two times daily, preferably at mealtimes, or as directed by a healthcare practitioner.

⚠️ Warnings & Precautions

Do not use if outer bottle seal is missing, torn or damaged in any way.

If you are pregnant, nursing, taking any medication or have a medical condition, please consult your healthcare practitioner before taking any dietary supplement.

Keep out of reach of children.

🧪 Formulation Notes

Solgar's L-Theanine Complex Vegetable Capsules are free of yeast, wheat, soy, gluten and dairy products and are formulated without the use of artificial preservatives, flavors or colors.

Suitable for vegetarians

Sugar, salt and starch free

Additional Information

To assure freshness and potency, store at room temperature 59 degrees-86 degrees F (15 degrees-30 degrees C). Store away from heat, light and moisture.

Solgar since 1947

Product Details

UPC / SKU 0 33984 02705 3
DSLD Entry Date 2020-02-26
Product Type Other Combinations
Form Capsule
Brand Solgar
DSLD ID 214982
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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