Side effects and watch-outs
- Generally extremely well tolerated
- Mild GI distress
- Headache (uncommon)
- Effects modest compared to AAS/SARMs — realistic expectations required
Supplement / Performance
HMB (β-Hydroxy β-Methylbutyrate)
Leucine metabolite. Anti-catabolic — reduces muscle protein breakdown. Most effective during caloric deficit or high training volumes. Free acid form (HMB-FA) has superior absorption vs Calcium HMB.
Educational reference only. This page does not diagnose, prescribe, or replace care from a licensed professional. Laws, availability, and clinical appropriateness vary by location.