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Can You Take Iron and Oyster Extract Together?
Dose or timing may matter
The short answer
Oyster extract is naturally very high in zinc, which competes with iron for absorption through shared DMT-1 transporters.
How to arrange timing
Separate oyster extract and iron supplements by at least 2 hours.
Reference
Reference noted for this combination: Rossander-Hulten L, et al. Am J Clin Nutr. 1991
Important context
Whether supplements suit you together also depends on dose, product formulation, health conditions, and medication use. Ask a doctor or pharmacist first if you take medication, are pregnant or breastfeeding, or have a chronic condition.