Dosage Lookup
Zinc
Strong
consensus
General maintenance: 15-30mg elemental zinc daily through diet and/or supplementation. For immune support during illness: Huberman recommends 90-100mg daily (short-term, taken with food). Hyman recommends zinc as part of a foundational supplement stack alongside a multivitamin. For gut healing: zinc carnosine at 75-150mg daily. For fertility: included in protocols alongside CoQ10, L-carnitine, and omega-3s.
Full expert breakdown: How much zinc should you take per day?
Consensus Protocol
Dosage
- General maintenance: 15-30mg elemental zinc daily through diet and/or supplementation
- For immune support during illness: Huberman recommends 90-100mg daily (short-term, taken with food)
- Hyman recommends zinc as part of a foundational supplement stack alongside a multivitamin
- For gut healing: zinc carnosine at 75-150mg daily
- For fertility: included in protocols alongside CoQ10, L-carnitine, and omega-3s
Form
- Zinc picolinate or zinc bisglycinate for general supplementation (higher bioavailability)
- Zinc carnosine specifically for gut healing and acid reflux protocols
- Zinc citrate as a cost-effective option
- Avoid zinc oxide — poorly absorbed
- Pair with quercetin for enhanced intracellular zinc delivery (zinc ionophore effect)
Timing
- Take with meals to reduce nausea and improve absorption
- Avoid taking at the same time as high-dose iron or calcium supplements, which compete for absorption
- If taking high-dose zinc (90-100mg) for colds, limit to 1-2 weeks to avoid copper depletion
Notes
- Do not exceed 40mg/day long-term without medical supervision — chronic high-dose zinc depletes copper and can cause copper deficiency anemia
- Balance zinc with copper at roughly a 10:1 to 15:1 ratio
- High-dose zinc should be short-term only (during acute illness)
- Zinc-rich foods include oysters (highest bioavailable source), red meat, pumpkin seeds, and dark chocolate
- Plant-based zinc sources (legumes, seeds) contain phytates that reduce absorption — soaking, sprouting, or cooking improves bioavailability
Expert Positions
What Each Expert Says
Huberman discusses zinc primarily in two contexts: immune defense and fertility. In his cold and flu episode, he recommends 90-100mg zinc daily taken with food to reduce cold duration and potentially prevent infections, pairing it with NAC as part of a supplement-based immune strategy. In his episode with Dr. Roger Seheult, zinc is listed alongside NAC as a supplement that supports the immune system during viral infections. For fertility, Huberman includes zinc in his recommended supplement stack for optimizing sperm quality alongside L-carnitine, CoQ10, and omega-3s.
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