RDA & DRI

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 a young student presently in the 9th grade. Your site is awesome! I am doing a project in biology class and I chose to do it on vitamin A. Your site was the only one that had some vital information on vitamin A. I was hoping that you could somehow give me...

I've been finding that I seriously crave red meat prior to and during my period. Do you think that this is my body telling me that it wants extra iron during this time? The last 6 months I have drastically reduced my red meat consumption due to the fat content. I have been charting my...

On the girls' very best days, I'm lucky if they drink 2 cups of milk. It's usually MUCH less. More like 1 cup and 2 out of 3 days, an ounce of cheese. I can figure out how much yogurt etc might help with the cause, but what about calcium-rich veggies/fruits? My 9th-grade health class...

While looking at my weight, age and the certainty of increasing medical problems, I've been working on a database that I can use for myself that will allow me to track things like track high blood pressure, blood sugars, medications, exercise, meals and the specific foods. While looking at the food section of the database,...

I'm concerned about getting enough calcium and am only 34 years old. The other day, I was watching a popular television program and they were discussing osteoporosis in women after menopause. Osteoporosis is characterized by a loss of calcium from bone, especially the spine and deterioration of bone tissue to the point it looks like...

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 taking a nutrition course this semester and my professor mentioned that the RDA is doubled what is actually required for a few reasons, one being to ensure there are no deficiencies and the other because some vitamin supplement manufacturers lobbied to keep it high, so we will purchase their product. Her second reason...

What is riboflavin and how important is it to a vegetarian diet? Riboflavin is vitamin B2 and is important to energy metabolism (processing nutrients like protein, fat, carbohydrate and alcohol that have calories to a form of energy that the body can use - ATP), normal eyesight and healthy skin. Foods high in riboflavin are...

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...