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L-Theanine + Caffeine

product on market Softgel Capsule Sports Research Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • Limited research evidence available for ingredients
B Label Compliance Grade
Label

Product Label

Label for L-Theanine + Caffeine
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Softgel(s)
Serving Size
60
Servings
Other Combinations
Product Type
0%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Calories
5 Calorie(s)
Total Fat
0.5 Gram(s) (1% DV)
Medium Chain Triglyceride Oil
450 mg
AlphaWave
200 mg
PurCaf
100 mg

Other Ingredients

Gelatin Glycerin Water, Purified Turmeric Rice Bran Wax Sunflower Lecithin
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested use: Adults take 1 softgel daily with food, or as recommended by a qualified healthcare professional.

Warnings & Precautions

Not to exceed more than 2 softgels daily.

Caution: Keep out of reach of children and pets.

Not to be used by individuals sensitive to caffeine. Do not exceed recommended daily intake. Do not use if safety seal is damaged or missing.

Consult with a qualified healthcare professional prior to using this product, especially if you are pregnant, nursing, have a diagnosed medical condition, or are taking prescription medication.

Contains: Tree nuts (coconut).

Formulation Notes

IGEN Non-GMO tested Gluten free Non-GMO tested

Third party tested cGMP compliant

2-in-1 formula Supports energy & focus

200 mg L-Theanine 100 mg caffeine L-Theanine + Caffeine with coconut MCT

Gluten-free Non-GMO

Proudly manufactured in the USA with carefully selected ingredients of domestic and international origins.

Additional Information

IGEN Non-GMO tested

Store at room temperature, in a dry place. Protect product from excessive heat, freezing, humidity and light.

HDPE Non BPA Please recycle Scan for more

Lot number & best by date printed on bottom of bottle.

Metadata

Product Details

UPC / SKU0 23249 01226 9
DSLD Entry Date2024-07-25
Product TypeOther Combinations
FormSoftgel Capsule
BrandSports Research
DSLD ID310543
Data Updated2026-04-11
Research

Research Evidence

37
Research Sources
53
Avg Quality
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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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.