How to identify a nutrient deficiency
Symptom: Distorted taste or poor appetite.
Possible deficiency: Zinc.
Although blatant zinc deficiency is uncommon in the U.S., it's more likely in the elderly. Deficiency contributes to changes of aging, such as impaired immunity and increased inflammation.
What to eat: Oysters, beef, turkey breast, sprouted watermelon seeds, pumpkin seeds, cashews.
Supplement with: 15-25 mg chelated zinc (such as zinc glycinate) daily.