Zinc
Commonly used for
EnergyImmunityHealthy Aging
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What is it? / Overview
Wellness uses some people report: antiviral support. This is anecdotal, and there isn't strong clinical evidence that it works for everyone. Zinc plays a critical role in immune function, wound healing, and protein synthesis. Deficiency impairs immune responses and supplementation is most beneficial when deficiency or increased requirements exist.
How is it used? / Administration
Form: Zinc picolinate or zinc bisglycinate
Typical dose studied: 15–30 mg/day short-term; avoid > 40 mg/day long-term without supervision
Timing: With food to reduce nausea
Avoid chronic high-dose zinc without monitoring copper status.
What does it pair with?
Pairs well with:
Long-term, high-dose zinc can deplete copper — pairing may be worth considering — Chronic zinc intake around 50–60 mg/day or more can inhibit copper absorption and cause deficiency over time.
Often combined, but neither requires the other — Both have independent roles; no established absorption dependency between zinc and vitamin C.
Best taken separately from:
Supplemental iron at 25 mg or more, taken at the same time, can reduce zinc absorption — consider taking at different times.
How well does it work? / Evidence
✓ Well-established
Who should avoid it?
Interacts with: Separate from tetracyclines and fluoroquinolones
Already taking it? Consider copper supplementation if using high doses for extended periods -- prolonged high-dose zinc (over ~40 mg/day long-term) can cause copper deficiency.
Research & references
NIH Office of Dietary Supplements: Zinc Fact Sheet. Prasad AS. Zinc in Human Health. EFSA Dietary Reference Values for Zinc.
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