I donate blood and am a vegetarian. My doctor told me I had low iron.

I recently had a medical examination. The only problem that turned up was low iron. I forget the units, but my hemoglobin was 12.1. The doctor told me I should be 14 or more (for men). I hadn't thought I had a problem since I regularly donate blood. I have since found out that...

Dietary supplements actually help people or not?

In your experience do dietary supplements actually help people, are there more positive effects than negative? Dietary supplements include vitamin, mineral, herbal and amino acid supplements. Because I am not sure to which you are referring I will respond about each. It depends on which dietary supplement a person is taking and why they are taking...

I take 4 antioxidants and sometimes about selenium. What do you think?

I take four antioxidants (beta-carotene, vitamin E, vitamin C and selenium). I wonder sometimes about the selenium. I have broken my organic selenium tablets in half and take a half a day, which is about 30 micrograms. What do you think? After hearing researchers report on various cancers (gastrointestinal and skin), I found the evidence...

I have been discussing with doctors this issue of the vitamins and urine.

I have been discussing with doctors this issue of the vitamins, but none could give me that convincing explanation and advice as you did. What you say make a lot of sense i.e. making expensive urine. Thanks a lot. The reason I said you would make expensive urine is your body absorbs about 15% from...

My mother is on a blood thinning medicine called “Coumadin”. Is there a diet that can help her?

Thank you for having a site where questions may be answered. My mother is on a blood-thinning medicine called "Coumadin". She had heard there is a diet that can help her while on this medication. Foods that might be low in iron perhaps? The doctor never told her anything about controlling her diet in that...

Who is the RDA designed for?

Who is the RDA's designed for? If a small adult ate enough to get all the nutrients in the RDA, he would be fat. If a very large adult ate exactly his RDA, he might be malnourished. The Recommended Dietary Allowances (RDA) were established to cover the nutritional needs of all normal, healthy people living...

We have been trying to force these lead-containing calcium products off of the shelves.

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...

My question concerns the use of zinc and vitamin C to enhance a man’s fertility.

My question concerns the use of zinc and vitamin C to enhance a man's fertility. My husband and I are currently trying to have a baby and he was advised to supplement his diet with vitamin C and zinc. Is there any scientific merit to this advice and if so, how much of each...

One antacid a day and you will have your daily required calcium according to my friend’s doctor.

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....

Cooking spaghetti sauce in a cast iron pot adds a lot of iron. Is iron absorbed?

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...