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Zinc L-carnosine

Zinc L-carnosine, or polaprezinc, is a compound of zinc and the dipeptide L-carnosine, developed in Japan as a stomach medicine.

Also listed as PepZin GI, zinc l carnosine, zinc-l-carnosine, zinc carnosine

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How do study doses compare with EU guidance?

The European adult upper limit for total zinc is 25 mg daily from all sources. Germany’s BfR recommends no more than 6.5 mg in a supplement’s daily serving. These values concern zinc itself and are not recommended doses of the carnosine complex. 1

Copper and medicines matter

High zinc intakes can cause nausea and stomach upset. Doses of 50 mg zinc or more for weeks can impair copper absorption. Zinc can also reduce absorption of quinolone or tetracycline antibiotics and penicillamine; these interactions require attention when combining products with treatment. 2

For information, not individual medical advice. Ingredient studies do not establish the effectiveness of these products.

Sources

  2. Zinc: Fact Sheet for Health Professionals NIH Office of Dietary Supplements