60 yo guy otherwise healthy, never vaxxed, still has not had return of taste or smell. Recommended he start NAC and Zinc together and is now on day 5, but any other recommendations or thoughts would be much appreciated. A review of old posts mentions things like the Zelenko protocol, ivermectin and HCQ, as well as olfactory training, but many of these are over a year old.
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NAC acts as a zinc ionophore to help transport zinc across cell membranes, with the hope that the zinc will improve olfactory function. You can lose the senses of taste and smell with colds and flu, but with covid this has been particularly nasty