Zinc Bisglycinate 15mg, 60 Capsules
Thorne's Zinc Bisglycinate delivers 15mg of zinc in a chelated amino acid form, a format selected for its gentle tolerability and efficient uptake compared to inorganic zinc salts.
May be a fit for
- Adults seeking highly absorbable zinc bisglycinate for daily immune support
- Individuals with sensitive digestion who need gentler zinc supplementation
- Practitioners protocols requiring chelated zinc with minimal GI side effects
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Thorne's Zinc Bisglycinate delivers 15mg of zinc in a chelated amino acid form, a format selected for its gentle tolerability and efficient uptake compared to inorganic zinc salts. Zinc supports immune function, skin integrity, and normal reproductive health, making it a practical choice for adults looking to address gaps in dietary zinc intake.
Why It's Worth Considering: Bisglycinate chelation binds zinc to glycine molecules, reducing GI irritation common with other forms, a detail that matters for daily, long-term use. Thorne's manufacturing standards meet NSF Certified for Sport requirements.
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Product details
Who it may suit
May be a fit for
- Adults seeking highly absorbable zinc bisglycinate for daily immune support
- Individuals with sensitive digestion who need gentler zinc supplementation
- Practitioners protocols requiring chelated zinc with minimal GI side effects
- Those supporting healthy skin, hair, and nail integrity with zinc bisglycinate
Considerations
- Taking copper supplements simultaneously (zinc depletes copper)
- Chronic zinc supplementation above 40mg/day without copper balance
- Taking antibiotics — separate by 2+ hours
Compatibility & interactions
Works Well With
Take Separately From
What to expect over time
Immune Activation
Enhanced T-cell and NK cell function
Skin Improvement
Reduced inflammation, clearer skin
Hormonal Balance
Optimized testosterone (in deficient men)
Full Repletion
Serum zinc normalized
Based on clinical zinc supplementation research. Response varies by baseline zinc status.
Compare the options
Compare Zinc Forms
Which form absorbs best?
| Feature | Picolinate | Bisglycinate | Citrate | Carnosine | Gluconate |
|---|---|---|---|---|---|
| Bioavailability | Highest | High | Moderate | Moderate | Low |
| Best For | General, immune | GI-gentle | Budget option | Gut healing (H. pylori) | Lozenges (cold) |
| GI Tolerance | Good | Excellent | Good | Excellent | Fair |
| Evidence | Strong | Strong | Moderate | Strong (GI-specific) | Moderate |
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Coverage varies by product and brand.
792 product and brand ratings and mentions across 7 sources.
These are broader practitioner and research perspectives. They may discuss the brand or other products, rather than this exact formula.
Explore the source sentiment summary
Zinc bisglycinate is broadly praised for sexual health, testosterone, and immune benefits, but safety concerns around copper depletion and dosage toxicity temper enthusiasm.
This summary includes broader brand discussion. Individual experiences are not evidence of product effectiveness.
A few useful answers.
Research & further reading
More category questions
How much zinc should I take daily?
For maintenance, 15-30mg of elemental zinc daily. For immune support during illness, up to 50mg for 1-2 weeks. The tolerable upper limit is 40mg/day for long-term use. Always balance with 2mg copper per 30mg zinc to prevent copper depletion.
What is the best form of zinc?
Zinc picolinate has the highest bioavailability in clinical studies. Zinc bisglycinate (chelated) is the most GI-friendly. Zinc carnosine is specifically indicated for gut healing and H. pylori. Zinc gluconate is primarily used in cold lozenges for topical throat contact. Avoid zinc oxide (poorly absorbed).
Can zinc help with acne?
Yes. Multiple studies show 30mg zinc gluconate or picolinate daily reduces inflammatory acne by 30-50% over 3 months. Zinc reduces sebum production, fights acne-causing bacteria, and modulates inflammation. It's comparable to low-dose antibiotics for mild-moderate acne.
Should I take zinc on an empty stomach?
No — zinc on an empty stomach commonly causes nausea. Take with food. However, avoid taking with high-phytate foods (whole grains, legumes) or calcium-rich foods as they reduce zinc absorption. A small meal with some protein is ideal.
Does zinc affect testosterone?
In zinc-deficient men, supplementation can significantly increase testosterone (one study showed a 73% increase over 6 months of repletion). In men with adequate zinc, the effect is minimal. Zinc supports the enzyme 5-alpha reductase and is concentrated in the prostate gland. Athletes who sweat heavily often have marginal zinc status.
Supplement information is provided for education and is not a substitute for personalized medical advice. Supplements are not intended to diagnose, treat, cure or prevent disease. Read the current product label before use.