This product contains 1 disputed ingredient: 5-Hydroxytryptophan. Evidence is mixed or doses are undisclosed — see Ingredients below for details.
5-HTP
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Used for: sleep and recovery
Summary
Pure Encapsulations 5-HTP is a sleep supplement.
Strengths
- Highly rated by athletes (5/5 from 10 reviews at The Feed).
Weaknesses
- Limited research support for key ingredients.
- No third-party banned-substance certification listed.
Why it scores 48
How scoring works →Independent analysis No brand partnerships
The details
Cross-referenced with PubMed & Examine.com
A precursor to serotonin and melatonin; small studies suggest sleep and mood effects, but evidence is limited. Avoid combining with antidepressants.
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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51 products on Pello, mainly vitamin, sleep and performance.
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