RDA & DRI

I hope you might be able to answer my dietary query. I have recently lost a lot of weight- over 100 pounds. In order to do this, I have been eating loads of carrots, as I need to eat something when I am stressed, which is quite often. When I recently went to the doctor,...

I am an American dietitian revising a United Kingdom nutrition book for the U.S. public. I was wondering what would be the correct way of discussing nutrient intakes for the general population (the book is designed for the general public). Should I talk about RDAs, USRDAs /RDI, or DRVs? What would be most appropriate? The...

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...

I would really appreciate your advice on the use of coumadin and vitamin K supplements. I have a genetic condition called Protein C Deficiency. I am 44 years old and have been on coumadin for 11 years. There are 2 supplement products on the market that I would really like to take, but they...

I am taking a vitamin supplement called carotene with 15 milligrams. The label says it can be converted to vitamin A, maximum 25,000 IU. Also, I take Stresstabs. Is that too much? Carotene is a precursor form of retinol vitamin A that your body uses. It is not as toxic as retinol, but at 25,000...

Hi, I have heard that it is not good for you to take iron pills because of the free radicals (I'm not sure if it's correct English). Is this true? I have now got a serum iron of 6 and I understand it is not good. Is there a better way of getting compliments (if...

Where can I find a dietitian who works with people who have osteoporosis or don't get enough calcium? The Medical Nutrition and Nutrition Entrepreneurs dietetic practice groups of the Academy of Nutrition and Dietetics provide medical nutrition therapy based on your diagnosis. Dietitians often have their own private practice nutrition counseling services in addition to...

I read where chromium picolinate is recommended for people with hypoglycemia. Can a person vary on the amount taken daily? (i.e. take more when in a bad mood) Also, is there a certain amount of sugar able to be taken that won't affect one's emotional state? Also, is there a recommended diet? Thank you in...

Does niacin give a clean urine test? If so what kind of dose should be taken? Don't know what kind of clean urine test to which you are referring? If you mean a clean drug test, no vitamin or mineral supplement or food can create a clean urine test. Only going drug-free after a period...

There have never been documented cases of nerve damage caused by vitamin B6 at doses of less than 500 milligrams a day. Please provide me with the documentation that says otherwise. Three hundred milligrams a day of vitamin B6 is safe and has been documented over and over to cure carpal tunnel. Please do...