RDA & DRI

I couldn't find this issue addressed on your webpage. I hope this isn't a duplicate question. Is there any nutritional significance to the habit of chewing ice? I have heard that dentists advise against it because it could damage your teeth. Is this true? However, what I am really wondering is if it signifies any deficiency...

I was pregnant when the issue first came up---about a year ago and believe me, I was not about to take any chances. The high vitamin C dependency makes sense. I know my dad. Any opinion that is not his will be questioned immediately! Thanks again. During pregnancy, the risk of birth defects rises steadily...

I read in a parent's magazine that cooking spaghetti sauce in a cast iron pot adds a lot of iron. Is that iron the kind that is absorbed? It is true that foods cooked in cast iron skillets are higher in iron. However, the form of iron is not absorbed as well. Laboratory nutrient analysis...

What do you know about Chromium Picolinate? Chromium Picolinate is sold over the counter as a nutritional supplement. Chromium works with insulin in assisting cells to take in glucose and release energy. When chromium is lacking, the effectiveness of insulin is lessened and glucose tolerance is impaired. Deficiency is rare except in people who must...

How effective and safe are Chromium Picolinate and Fenfluramine as appetite suppressants? Chromium Picolinate is sold over the counter as a nutritional supplement. Chromium works with insulin in assisting cells to take in glucose and release energy. Chromium Picolinate has not been shown to cause weight loss and its ability to improve insulin effectiveness has...

How about daily 400 IU of vitamin E for hair loss? The Recommended Dietary Allowances (RDA) of vitamin E is 10 milligrams for the adult male and 8 milligrams for the adult female. Your RDA of vitamin E can be achieved without supplements by eating plant oils (vegetable oil, margarine, salad dressings), dark green and...

My daughter who is 14, is an ovo-lacto vegetarian. I support this and between the two of us, we try to make sure she receives the nutrients she needs. She has been eating this way for about 4 months. Recently she has developed cracks in the corners of her mouth. My older daughter had the...

Where can I find a dietitian who is smart about vitamin supplements? The Nutrition in Complementary Care dietetic practice group of the American Dietetic Association has an interest in the role of alternative herbal, vitamin and mineral therapies in improving health and preventing disease. Their Find a Comp Care Nutritionist feature will help you locate...

I am doing a practical period in a zoo in Europe. There is a problem with some of their birds because they die of too much iron in their liver. We want to feed the birds a diet that is low in iron. Their diet consists of many different kinds of fruit, perhaps you...

Hi, I have just fractured my radius and my patella other than a balanced diet and 3 glasses of milk a day should I be taking anything else? I am a 32-year-old male in good health. So sorry to hear about your broken forearm and kneecap. I imagine your arm and affected leg are both...