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L-Theanine & Caffeine

product on market Softgel Capsule SR 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 Liquid Soft-Gel(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
500 mg
AlphaWave
200 mg
PurCaf
100 mg

Other Ingredients

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

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Use: As a dietary supplement, healthy adults take 1 liquid softgel daily with food. Best when taken as directed by a qualified healthcare professional. Not to exceed more than 2 liquid softgels daily.

Warnings & Precautions

Contains: Tree nuts (Coconut).

Caution: Keep out of reach of children and pets.

Caution: Keep out of reach of children and pets. Not to be used by individuals sensitive to caffeine.

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

Do not exceed recommended daily intake. Do not use if safety seal is damaged or missing.

Formulation Notes

SR L-Theanine & Caffeine combines AlphaWave L-Theanine & PurCaf Caffeine with Medium Chain Triglycerides (MCTs) from coconuts and supports energy & focus. Made with coconut MCT oil

Keto certified & gluten free

Keto certified & gluten free IGEN non-GMO tested

Manufactured and Quality Tested in USA. Ingredients carefully sourced from around the world.

2-in-1 Formula Made with MCT oil 200mg L-Theanine as AlphaWave 100mg Caffeine as PurCaf

Gluten free IGEN Non-GMO Tested

Additional Information

90 Days Money Back Guarantee

Satisfaction Guarantee We offer a full refund on the purchase price of your order (minus return cost) within 90 days of purchase. Restrictions apply. Please visit sportsresearch.com for full details. Track your lot number, and view third party independent testing. Sportsresearch.com Instagram Facebook Youtube Snapchat Twitter @SportsResearch

This Product is Keto Certified Ketocertified.com Gluten free cGMP Compliant Good Manufacturing Practice 3rd Party Quality tested IGEN Non-GMO Tested

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

Metadata

Product Details

UPC / SKU0 23249 01226 9
DSLD Entry Date2025-01-23
Product TypeOther Combinations
FormSoftgel Capsule
DSLD ID326261
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.