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evidence · mechanism · dose
Supplements/Compound

HMB-Free Acid

Faster-absorbing HMB form.

Muscle Growth

Overview

Faster-absorbing HMB form.

Natural sources
    Common forms

      Mechanism of action

      Faster absorption than Ca-HMB.

      Pathways

        Effects on the body

        Organ system effects

        Evidence-based benefits

        Improves muscle damage recovery

        Moderate evidence

        Potential side effects

        Common
        • · Well tolerated
        Rare
          Serious

            Drug interactions

            No notable interactions reported.

            Supplement interactions

            Pairs well with

            None listed.

            Avoid combining with

            No specific avoidances listed.

            Dosing & bioavailability

            Typical dose
            1 g TID

            Where to buy

            Affiliate-style search links to reputable retailers. We don't endorse specific brands — verify third-party testing (USP, NSF, Informed Sport) before purchase.

            Compound
            HMB-Free Acid
            Amazon
            Wide selection · fast shipping
            Compound
            HMB-Free Acid
            iHerb
            Global delivery · curated brands
            Compound
            HMB-Free Acid
            Thorne
            Practitioner-grade · NSF tested

            Scientific evidence (8)

            RCTEur J Appl Physiol · 2014

            HMB-FA and performance

            Wilson JM, et al.

            20 men

            Key findings

            Reduced creatine kinase post-exercise.

            Open study
            Systematic reviewPubMed (NLM) · 1970

            PubMed: HMB-Free Acid — Improves muscle damage recovery

            Live PubMed search

            Live results for "HMB-Free Acid Improves muscle damage recovery" across the PubMed/MEDLINE peer-reviewed index.

            Key findings

            Opens current human and preclinical literature matching HMB-Free Acid and "Improves muscle damage recovery". Filter by RCT, meta-analysis, or year on the results page.

            Open study
            Systematic reviewPubMed (NLM) · 1970

            PubMed: HMB-Free Acid — randomized controlled trial

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            Live results for "HMB-Free Acid randomized controlled trial" across the PubMed/MEDLINE peer-reviewed index.

            Key findings

            Opens current human and preclinical literature matching HMB-Free Acid and "randomized controlled trial". Filter by RCT, meta-analysis, or year on the results page.

            Open study
            Systematic reviewPubMed (NLM) · 1970

            PubMed: HMB-Free Acid — meta-analysis

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            Live results for "HMB-Free Acid meta-analysis" across the PubMed/MEDLINE peer-reviewed index.

            Key findings

            Opens current human and preclinical literature matching HMB-Free Acid and "meta-analysis". Filter by RCT, meta-analysis, or year on the results page.

            Open study
            Systematic reviewPubMed (NLM) · 1970

            PubMed: HMB-Free Acid — pharmacokinetics

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            Key findings

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            Open study
            Systematic reviewPubMed (NLM) · 1970

            PubMed: HMB-Free Acid — safety adverse events

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            Key findings

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            Open study
            Systematic reviewPubMed (NLM) · 1970

            PubMed: HMB-Free Acid — dose response

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            Key findings

            Opens current human and preclinical literature matching HMB-Free Acid and "dose response". Filter by RCT, meta-analysis, or year on the results page.

            Open study
            Systematic reviewGoogle Scholar · 1970

            Google Scholar: HMB-Free Acid — clinical evidence

            Live Scholar search

            Cross-database citation index for HMB-Free Acid as it relates to "clinical evidence".

            Key findings

            Includes preprints, theses, and journal articles. Useful for tracking citation counts and follow-on work.

            Open study
            Educational use only. This profile is not medical advice. Consult a qualified healthcare professional before starting any supplement, especially if you take prescription medication or have a chronic condition.