Iron supplementation: various animal livers, beef, squid, and pig blood.
Zinc supplementation: oysters, squid, lean meat, fish, etc.
Copper supplementation: animal liver, hard fruit, beans, oysters.
Manganese supplements: nuts, grains, coffee, tea, etc.
Iodine: kelp and a variety of seafood.
Supplement chromium: beef, animal liver, coarse grains, black pepper and so on.
Selenium supplementation: eggs, animal organs, fish, etc.
Cobalt: A variety of seafood, bee secrets, meat and so on.
Zinc supplementation: oysters, squid, lean meat, fish, etc.
Copper supplementation: animal liver, hard fruit, beans, oysters.
Manganese supplements: nuts, grains, coffee, tea, etc.
Iodine: kelp and a variety of seafood.
Supplement chromium: beef, animal liver, coarse grains, black pepper and so on.
Selenium supplementation: eggs, animal organs, fish, etc.
Cobalt: A variety of seafood, bee secrets, meat and so on.