SiS Hydro Tablets
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Used for: endurance athletes
Summary
Science in Sport SiS Hydro Tablets is a hydration product with 345mg of sodium per serving.
Strengths
- Key ingredients are well supported by research.
- Batch-tested for banned substances (Informed Sport).
Weaknesses
- No major weaknesses.
Why it scores 84
How scoring works →Independent analysis No brand partnerships
The details
Cross-referenced with PubMed & Examine.com
Sodium is the main electrolyte lost in sweat; replacing it supports fluid balance in long or hot sessions.
Around 3mg per kg of body weight reliably improves endurance performance and focus; count all caffeine sources across the day.
1 of 5 standards Pello tracks · Third-party tested for banned substances
Tested for sport
- NSF Certified for Sport
- Informed SportListed by The Feed
Every batch is tested for substances banned in sport before it's released for sale.
Check in the Informed Sport product search ↗ - 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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