Which Form?
Zinc
Strong
consensus
Available Forms
- 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)
Dosage & Timing
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
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
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.
Unlock Expert Deep Dives
See exactly which form each expert takes, why they chose it, and their reasoning with video citations.
Cancel anytime