How does Zinc help your body?-by Dr harold Gunatillake Transcript: Oysters first appeared on our planet 200 million years ago. People have been gathering them since prehistoric times and fossil traces prove that mankind has used them as a source of food since as far back as the Neolithic Age. Oysters have by far the most zinc of any other food, with 74.1 milligrams in a 3-ounce serving of oysters that are cooked, breaded, and fried. That’s 673% of an average daily value. Another shellfish packed with zinc is crab. Most of us do take supplements daily and the common ones are Magnesium, Vitamin B12 and vitamin D, including fish oil capsules. When should you take zinc and what are the symptoms of zinc deficiency? That is what we are going to discuss today. ...