Pork tenderloin
This lean cut is high in protein at 25g, but it also provides two key immunity supporters in the form of selenium and zinc. You can also expect to reap the benefits of potassium and phosphorus, two minerals that function as electrolytes to support kidney health and help offset sodium.
Nutrition facts (per 100g): 134 cal, 3g fat, 9mg sodium, 8g carb, 0g fiber, 25g protein
Tempeh
This soy-based plant protein is a versatile way to get 20g of the stuff per 100g, and it’s also a good source of calcium and potassium. It’s great seared or with a glaze or sauce, and it has a neutral flavor that means you can season it many different ways.
Nutrition facts (per 100g): 192 cal, 11g fat, 339mg sodium, 0g carb, 0g fiber, 20g protein