Zinc, an essential trace element for immune defences

Supersmart therefore offers a choice of the very best zinc supplements to compensate for such deficiency and optimize your immune defenses. In particular, there’s Zinc Orotate and L-OptiZinc, the two zinc supplements with the best bioavailability on the market, as well as Zinc L-carnosine, a natural combination of zinc and carnosine for countering acid reflux.