Stay well hydrated
Eat more fruits, especially pineapple, citrus, berries, and melon
Eat more vegetables, especially leafy greens and celery
Reduce red meat and processed meat
Limit garlic, onions, asparagus, and cruciferous vegetables if they seem to affect taste
Cut back on alcohol
Avoid smoking and vaping
Reduce caffeine if consumed in excess
Eat a balanced diet with enough zinc and other nutrients
Maintain good oral hygiene
Exercise regularly
Get enough sleep
Avoid recreational drugs
Practice good genital hygiene
Use condoms if you want to reduce taste changes from diet and bodily fluids