Zinc Plus, 60 Capsules
Zinc Plus by Klaire Labs/SFI Health delivers zinc in a highly absorbable form alongside complementary cofactors, supporting immune function, skin integrity, and reproductive health.
May be a fit for
- Adults seeking zinc bisglycinate support for immune system function
- Individuals maintaining healthy zinc levels during periods of high physical demand
- Those following plant-based diets prone to reduced dietary zinc absorption
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Zinc Plus by Klaire Labs/SFI Health delivers zinc in a highly absorbable form alongside complementary cofactors, supporting immune function, skin integrity, and reproductive health. Formulated with the precision typical of Klaire's practitioner-grade line, this product is designed for individuals with increased zinc requirements or those seeking targeted mineral repletion.
Why It's Worth Considering: Klaire Labs applies rigorous quality standards and hypoallergenic manufacturing practices, making this formulation suitable for sensitive individuals and clinical protocols alike.
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Our curation and trust scoring bring together manufacturing, testing, research, practitioner insight and reviews from across the web.
Our score is an editorial assessment, not a product certification or a guarantee of results.
Product details
Who it may suit
May be a fit for
- Adults seeking zinc bisglycinate support for immune system function
- Individuals maintaining healthy zinc levels during periods of high physical demand
- Those following plant-based diets prone to reduced dietary zinc absorption
- Practitioner protocols requiring well-tolerated, chelated zinc with cofactor support
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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Customer reviews, social conversations and expert insights, with every source in view.
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Coverage varies by product and brand.
330 product and brand ratings and mentions across 4 sources.
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Explore the source sentiment summary
Zinc widely praised for sexual health, immunity, and hormonal support, but significant safety concerns around copper depletion and toxicity at high doses.
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.