Tier IMethylxanthine
Caffeine
Methylxanthine
Recommended Dose
100–200 mg
Purity Standard
99.9% — sourced from BulkSupplements
Clinical Evidence
4,280 indexed trials · Tier I
Hallmarks Addressed
Hallmarks 06
Methylxanthine
100–200 mg
99.9% — sourced from BulkSupplements
4,280 indexed trials · Tier I
Hallmarks 06