LifeSource Vitamins Zinc Gluconate — 50 mg, 100 Tablets — Research-Proven Immune & Cellular Support*
LifeSource Vitamins Zinc Gluconate 50mg provides the most extensively researched and cost-effective form of zinc supplementation with proven immune support and cold-fighting benefits.* This premium zinc gluconate formula delivers excellent bioavailability and gentle tolerability, making it the ideal choice for daily immune maintenance and therapeutic zinc supplementation.* As one of the most widely studied zinc forms, zinc gluconate offers reliable, research-backed results for immune function, wound healing, and overall cellular health.* Zinc gluconate is formed when zinc is bound to gluconic acid, creating a highly stable, water-soluble compound that your body readily recognizes and absorbs.* Produced in FDA-registered, GMP-certified facilities and 3rd-party lab tested for purity, potency, and label accuracy. Contains 50mg per tablet—consult healthcare provider for appropriate dosing.*
Research-Driven & Verified Product.
Explore the clinical research, ingredient science, and global evidence supporting this product below.
Research Promise: At LifeSource Vitamins, our commitment is rooted in research and results. Every benefit below is supported by human clinical studies indexed in the National Institutes of Health (NIH) via PubMed, with full texts available in the National Library of Medicine (NLM) PubMed Central (PMC) when available. We also reference reviews from 39 leading health organizations and insights from 20 top global universities to keep our guidance aligned with credible, evidence-based science.* Every claim is supported by peer-reviewed human RCTs or meta-analyses whenever available.
Clinically Studied Benefits (Human Evidence)
✓ May shorten common cold duration* — When started within 24h of symptoms, zinc lozenges/tablets (incl. gluconate) may reduce cold length. NIH/PMC — Hemilä, 2016
✓ Immune cell function* — Zinc is required for neutrophil, NK-cell and lymphocyte activity; supplementation restores immune defense. NIH/PMC — Prasad, 2008
✓ Wound healing* — Clinical trials show improved healing rates in zinc-supplemented individuals. NIH/PubMed — Momen-Heravi, 2017
✓ Eye health (AMD progression)* — AREDS and AREDS2 found that antioxidants + zinc slowed the progression to advanced AMD. NIH/PubMed — AREDS Report 8, 2001; NIH/PubMed — AREDS2, 2013
Additional Studies Showing Promising Benefits
✓ Skin health (acne)* — Some RCTs found zinc gluconate reduced lesion counts; evidence is mixed. NIH/PubMed — Dréno, 2001
✓ Metabolic markers* — Small trials report improvements in glycemic control and inflammation. NIH/PubMed — Khorsandi, 2019
University / Academic Context
✓ Zinc gluconate — absorption* — Widely used in trials due to stability and water solubility; consistently shown effective in immune studies. NIH/PubMed — Devarshi, 2024 review
Global Evidence & Authoritative Reviews
✓ NCCIH* — Zinc may shorten colds when taken early; advises against intranasal zinc. NCCIH — Zinc
✓ NIH ODS* — Provides dietary reference intakes & UL = 40 mg/day adults. NIH/ODS — Zinc
✓ FDA Advisory* — Warns against intranasal zinc (anosmia risk). FDA — Zinc Safety
We monitor research from leading institutions — Harvard, Johns Hopkins, Mayo Clinic, Cleveland Clinic, Cambridge, Oxford, Stanford, Yale, Tufts, University of Florida, Oregon State University – Linus Pauling Institute, Columbia, Cornell, Ohio State — to align with credible science.*
Brief Benefit Bullets
- 50 mg zinc gluconate — research-proven immune support*
- Clinically studied to help shorten common colds*
- Supports wound healing, skin, and antioxidant defense*
- Widely studied, stable, water-soluble zinc form*
Suggested Use
See product label for full instructions, or as directed by your healthcare professional. Do not exceed recommended dose. If pregnant, nursing, taking medications, or have a medical condition, consult your physician.*
Product Specifications
Serving Size — 1 Tablet
• Zinc (elemental) — 50 mg (from 403 mg zinc gluconate), 455% DV
• Other Ingredients — Microcrystalline cellulose, vegetarian coating, magnesium stearate (veg source), silicon dioxide
• Free From — Non-GMO, gluten, wheat, soy, milk, egg, fish, shellfish, tree nut, sesame
• Form — Easy-to-swallow vegetarian tablets
• Quality — Third-party tested for identity, potency & purity
LifeSource Vitamins — Proudly American — Since 1992
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Always consult your physician before taking any supplements.
Zinc Gluconate 50 mg (100 tablets) — extensively researched, immune & wound support, common cold duration reduction, third-party tested. Clinically Studied Ingredients — NIH/PubMed!*
