Integrative Therapeutics Zinc Chelate - Antioxidant Support & Healthy Immune Function* - Mineral Supplement for Men & Women - Dairy-Free & Gluten-Free - 100 Capsules (100 Servings)

Clinical trials typically use 15-30mg elemental zinc daily. Integrative Therapeutics Zinc Chelate delivers 1 capsule per serving; 100 servings per bottle, which we classify as Blend relative to that range.

See the "Also consider" section below for two alternatives. Choose based on form preference (Capsule vs alternatives), dose adequacy, and third-party testing.

Yes — GMP-manufactured, bottled and tested in the USA. Third-party testing verifies ingredient identity and label accuracy.

Yes — Amazon Subscribe & Save is available for this product. Enrolling locks in a recurring delivery at a reduced per-unit price.

Zinc can reduce the absorption of certain antibiotics (quinolones, tetracyclines) and penicillamine — take zinc at least 2 hours apart from these medications. High-dose zinc supplementation may also reduce the effectiveness of cisplatin chemotherapy. Zinc at typical dietary supplement doses (8-25mg) has minimal interaction risk with most common medications. Consult your pharmacist if you are on multiple medications.

Long-term zinc supplementation at doses above 40mg/day can deplete copper stores, leading to copper-deficiency anemia and neurological symptoms — stay within labeled dosing and ensure dietary copper intake. At typical supplement doses (8-25mg), zinc bisglycinate is well tolerated long-term. Chronic high intake above the tolerable upper limit (40mg) suppresses immune function rather than supporting it.

Zinc bisglycinate has significantly less GI irritation than zinc sulfate or zinc oxide because the glycine chelation buffers the ionic zinc. Nausea from zinc is uncommon with the bisglycinate form when taken with food. Users with sensitive stomachs should take this capsule with a meal to further minimize any GI sensitivity. At labeled doses, GI side effects are rare.

Zinc pairs well with vitamin C (immune synergy) and vitamin D in a comprehensive immune support stack. Avoid taking simultaneously with high-dose calcium, iron, or copper supplements as these minerals compete for absorption. If taking a multivitamin that already contains zinc, calculate your combined daily intake to stay within the 40mg tolerable upper limit.

Take one capsule daily with food to maximize absorption and minimize GI sensitivity. Do not take on an empty stomach. Separate from antibiotic doses by at least 2 hours. Do not exceed the recommended dose unless directed by a healthcare provider. Long-term users (3+ months) should periodically assess copper status.

Zinc's immune support effects begin within days of restoring adequate levels in deficient individuals. For antioxidant activity, zinc enzymes (superoxide dismutase) require consistent supplementation over 2-4 weeks to reflect in measurable markers. During immune challenges such as cold season, higher-dose zinc (within safe limits) may shorten illness duration when started within 24 hours of symptom onset.