RDA & DRI

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...

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...

What supplements/therapies would you recommend to promote wound healing and minimize scarring for my 6-year-old daughter (50 pounds). She has two 1 to 1.5-centimeter wounds on the bridge of her nose near her eye from a dog scratch. The plastic surgeon used 40 stitches to close them. Thank you. I am sorry to hear about...

I'm wondering whether my kids are getting enough calcium. How much do they need and about how much milk, cheese, yogurt, etc. is that? I have a girl, 6 years, another girl, 3 years and a boy, 1-year. Thanks for your help! Your 6-year-old child needs 800 milligrams of calcium per day. Your 3-year-old needs 500...

What B vitamin helps against mosquito bites? One B vitamin called thiamin does in large doses seem to change a person's body odor. But there seem to be inconsistent results as to its effectiveness at repelling mosquitoes. The reason it seems to change body odor is that some excess thiamin is excreted through the skin....

Thank you for your common sense approach to calcium supplements. We have been trying to force these lead-containing products off of the shelves or at least to force the manufacturers to disclose the contents to unsuspecting consumers of these products. I am interested in any information that you may have on this topic. Bone meal...

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...

What is your opinion of colloidal minerals? Thanks for your help! Colloidal minerals are molecules of minerals suspended in a liquid. The particles are not dissolved and may carry an electrical charge which enables them to combine with another particle to make a compound and precipitate out as a solid. These electrically charged particles are...

I am a 24-year old masters swimmer. I have been getting cramps - calf and toe- a lot recently. On the advice of the coach and teammates, I am taking a potassium supplement and eating a lot of bananas. However, this hasn't really solved my problem. I think now that it may be a...