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evidence · mechanism · dose
Supplements/Mineral

Zinc Gluconate

Most common over-the-counter zinc form — affordable, moderate bioavailability.

Immune FunctionGeneral Wellness

Overview

Most common over-the-counter zinc form — affordable, moderate bioavailability.

Natural sources
    Common forms

      Forms & variants of Zinc

      Different chemical forms of Zinc behave differently. Browse each form's mechanism, bioavailability, and best-use context.

      Parent
      Zinc

      Cofactor for ~300 enzymes — critical for testosterone, immune function, and DNA synthesis.

      Picolinate
      Zinc Picolinate

      Zinc chelated to picolinic acid — one of the most bioavailable oral forms.

      Bisglycinate
      Zinc Bisglycinate

      Glycine-chelated zinc — high absorption and very gentle on the stomach.

      Acetate (lozenges)
      Zinc Acetate

      Lozenge form shown to shorten cold duration when used at first symptoms.

      Bisglycinate
      Zinc Bisglycinate (High-Bio)

      Chelated zinc with superior absorption and tolerability.

      Mechanism of action

      Standard salt form; absorbed via DMT1 and ZIP4 transporters.

      Pathways

        Effects on the body

        Organ system effects

        Evidence-based benefits

        Effective for deficiency repletion

        Strong evidence

        Potential side effects

        Common
        • · Nausea on empty stomach
        Rare
          Serious

            Drug interactions

            No notable interactions reported.

            Safety & non-supplemental interactions

            Educational summary — always confirm with your clinician or pharmacist before starting, stopping, or combining with prescription therapy.

            Avoid with these conditions
            • ·Autoimmune disease (theoretical immune activation)
            Avoid / monitor with these medications
            • ·Immunosuppressants

            Supplement interactions

            Pairs well with

            None listed.

            Avoid combining with

            No specific avoidances listed.

            Dosing & bioavailability

            Typical dose
            15–30 mg elemental
            With food?
            With food

            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.

            Mineral
            Zinc Gluconate
            Amazon
            Wide selection · fast shipping
            Mineral
            Zinc Gluconate
            iHerb
            Global delivery · curated brands
            Mineral
            Zinc Gluconate
            Thorne
            Practitioner-grade · NSF tested

            Scientific evidence (8)

            RCTAnn Intern Med · 1996

            Zinc gluconate lozenges and the common cold

            Mossad SB, et al.

            RCT of zinc gluconate lozenges in adults with colds.

            Key findings

            Reduced cold duration vs placebo.

            Open study
            Systematic reviewPubMed (NLM) · 1970

            PubMed: Zinc Gluconate — Effective for deficiency repletion

            Live PubMed search

            Live results for "Zinc Gluconate Effective for deficiency repletion" across the PubMed/MEDLINE peer-reviewed index.

            Key findings

            Opens current human and preclinical literature matching Zinc Gluconate and "Effective for deficiency repletion". Filter by RCT, meta-analysis, or year on the results page.

            Open study
            Systematic reviewPubMed (NLM) · 1970

            PubMed: Zinc Gluconate — randomized controlled trial

            Live PubMed search

            Live results for "Zinc Gluconate randomized controlled trial" across the PubMed/MEDLINE peer-reviewed index.

            Key findings

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

            Open study
            Systematic reviewPubMed (NLM) · 1970

            PubMed: Zinc Gluconate — meta-analysis

            Live PubMed search

            Live results for "Zinc Gluconate meta-analysis" across the PubMed/MEDLINE peer-reviewed index.

            Key findings

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

            Open study
            Systematic reviewPubMed (NLM) · 1970

            PubMed: Zinc Gluconate — pharmacokinetics

            Live PubMed search

            Live results for "Zinc Gluconate pharmacokinetics" across the PubMed/MEDLINE peer-reviewed index.

            Key findings

            Opens current human and preclinical literature matching Zinc Gluconate and "pharmacokinetics". Filter by RCT, meta-analysis, or year on the results page.

            Open study
            Systematic reviewPubMed (NLM) · 1970

            PubMed: Zinc Gluconate — safety adverse events

            Live PubMed search

            Live results for "Zinc Gluconate safety adverse events" across the PubMed/MEDLINE peer-reviewed index.

            Key findings

            Opens current human and preclinical literature matching Zinc Gluconate and "safety adverse events". Filter by RCT, meta-analysis, or year on the results page.

            Open study
            Systematic reviewPubMed (NLM) · 1970

            PubMed: Zinc Gluconate — dose response

            Live PubMed search

            Live results for "Zinc Gluconate dose response" across the PubMed/MEDLINE peer-reviewed index.

            Key findings

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

            Open study
            Systematic reviewGoogle Scholar · 1970

            Google Scholar: Zinc Gluconate — clinical evidence

            Live Scholar search

            Cross-database citation index for Zinc Gluconate 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.