RDA & DRI

You should eat one antacid a day and you will have your daily required calcium, according to my friend's doctor. Is this true or false? True and False. Check the Nutrition Facts label on the antacid. Some antacids (chewable tablets) do contain calcium carbonate which is 40% calcium, but the amounts vary between brand names....

Hi! I was wondering if you could help me with an extended essay that I have to write regarding vitamin C in oranges vs. vitamin C in supplements. Which would you say is the better? Do you know of any experiments that I could perform in order to prove which is the better? Thanks...

Is there any relationship between strenuous exercise, chromium and insulin resistance? Would you consider a chromium supplement with a reduction in sugar consumption? What are natural sources of chromium? Does magnesium also factor into this? I exercise treadmill/Stairmaster 6 to 7 days a week and blood sugar recently was up to 160 - 190 ranges. Lower carbohydrate/sugar has...

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...

I hope you can help me. I have an intolerance to milk and dairy derivatives. Of course, I now have to check labels for all kinds of milk ingredients. One ingredient I am not sure of is calcium lactate. I am wondering if you can tell me if calcium lactate is a milk derivative....

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...

We are the Lebanese Osteoporosis Prevention Society (LOPS). Our concern among others is to provide awareness to our society about osteoporosis and how to prevent it. We are very interested in your articles about osteoporosis and the optimal calcium intake. We would like to have documents, questionnaires or protocols about the detection of the...

My father, a general practitioner doctor who (in my opinion) tends to overmedicate, wants me to take this high dose vitamin C supplement. If I remember correctly, he recommends 50 milligrams a day. Isn't it dangerous to take such a high dose? Thanks. The RDA (Recommended Dietary Allowance) for Vitamin C is 90 milligrams per...

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...