Home/ Supplements/ L Theanine/ GABA Trex Grape Flavored Chewables

GABA Trex Grape Flavored Chewables

product on market Tablet or Pill NS NeuroScience Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 33% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

L-Theanine is the primary active ingredient, with moderate evidence suggesting it may promote relaxation and reduce stress. Other components are basic carbohydrates providing caloric value. Overall, the evidence coverage for this specific formulation is very limited.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for GABA Trex Grape Flavored Chewables
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Tablet(s)
Serving Size
30
Servings
Non-Nutrient/Non-Botanical
Product Type
33%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Calories
10 Calorie(s)
Total Carbohydrates
2 Gram(s) (1% DV)
200 mg
Market median: 200.0mg (358 products) 9 studies (A:0, B:2)

Other Ingredients

Stearic Acid Citric Acid Stevia extract Silica natural Grape flavor Magnesium Stearate
Claims

Label Claims — Verification

Unverified All Other
Info

Product Information

Directions for Use

Suggested Use Chew 1-2 tablets up to three times daily or as directed by your healthcare provider. Do not exceed suggested use.

Warnings & Precautions

Do not exceed suggested use. This product has a tamper evident seal under the cap. Do not use if seal is broken or missing.

If you are pregnant or nursing, consult your healthcare provider before use.

Keep out of reach of children.

Formulation Notes

Serotonin/GABA

Not a significant source of added sugars.

Additional Information

Store at room temperature, in a dry place.

NeuroScience Quality Consistent products, consistent results. Scan to learn more.

Metadata

Product Details

UPC / SKU6 59468 10145 5
DSLD Entry Date2022-06-16
Product TypeNon-Nutrient/Non-Botanical
FormTablet or Pill
BrandNS NeuroScience
DSLD ID267644
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 →
Compare

Similar Products

L-Theanine 200 mg & Valerian Extract 100 mg
Puritan's Pride · Tablet or Pill
100
SunTheanine Citrus 100 mg
Tomorrow's Nutrition · Tablet or Pill
100
Chewable L-Theanine 100 mg
NOW · Tablet or Pill
100
L-Theanine 200 mg Sweet Cherry
EZ Melts · Tablet or Pill
100
L-Theanine 200 mg
Lamberts Healthcare · Tablet or Pill
100
View all L Theanine products →
L Theanine research Best L Theanine All L Theanine products More from NS NeuroScience View on NIH DSLD →

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