This product contains 1 disputed ingredient: GABA (Gamma Amino Butyric Acid). Evidence is mixed or doses are undisclosed — see Ingredients below for details.
GABA + L-Theanine
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Used for: sleep and recovery
Summary
Quicksilver Scientific GABA + L-Theanine is a sleep supplement.
Strengths
No standout strengths.
Weaknesses
- No third-party banned-substance certification listed.
- Limited research support for key ingredients.
Why it scores 48
How scoring works →Independent analysis No brand partnerships
The details
Cross-referenced with PubMed & Examine.com
GABA is the brain's main calming messenger, but it's unclear how much taken by mouth reaches the brain; evidence for sleep is limited.
An amino acid from tea that promotes relaxation without sedation; 200mg is the typical studied dose and may help sleep quality.
Needed for nerve signaling and cell membranes; evidence for performance benefits is limited.
0 of 5 standards Pello tracks · No third-party banned-substance testing listed
Tested for sport
- NSF Certified for Sport
- Informed Sport
- Cologne List
Food & sourcing
- USDA Organic
- Non-GMO Project Verified
Diet claims
- Vegan: yes
Brand or retailer label claim, not a certification.
- Gluten-free: yes
Brand or retailer label claim. In the US a gluten-free label means under 20 ppm gluten.
- Dairy-free: yes
Labeled vegan.
Certifications are as listed on the product's page at The Feed. NSF Certified for Sport is also checked against NSF's own database. Certifications can lapse, so check the certifier's search before you rely on one, especially if you're drug tested.
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