These zinc-rich foods are great for your thyroid: oysters, beef, blue crab, and pumpkin seeds. Ideally, you should aim to get around 5 to 20mg of zinc from all sources each and every day. If you are trying to do that from food alone then you’d need: 1 serving of oysters, 2 servings of beef, 2 servings of crab, or 3 servings of pumpkin seeds. Remember: these serving sizes just gets you into the 5-20mg range but you may want more than what is recommended here. Also realize that plenty of other foo