Sports Nutrition

What is the difference between powdered protein supplements such as whey and amino acid pills? Whey is the clear liquid drained off milk during the making of cheese. It contains protein and all 8 essential amino acids are present, but not in sufficient quantity to be a sole source of protein unless you plan to...

Some references are saying that diets rich in animal proteins stimulate the release of parathyroid hormone and promote excessive elimination of calcium in the urine, which encourages bone resorption." One reference indicated that the federal government, intending to be on the safe side, established its minimum Recommended Dietary Allowances for protein at twice the value...

I am a Physical Education major. I am looking for any information you might be able to email to me dealing with hydrostatic weighing. I am working on a major laboratory project and could use some assistance. The lab deals with percent body fat, so any additional info on that would help also. I...

Thanks for taking the time, your feedback was a welcome sight! According to "rough" estimates, I am somewhere between 11-13% body fat. There are a couple of places where it is carried to a more noticeable degree than others - namely the "spare tire" and "love handles". Everything else is pretty lean. And yes, I...

Hello. Just found your fantastic website via a post from one of the misc.fitness newsgroups. What an outstanding job you've done - it must have taken many hours to put it all together! (Does that count as "sedentary" time?) Background... I am male, 48, 6 feet 3 inches, 215 pounds. I workout on a somewhat...

I saw a patient who is taking whey as a powder in shakes and creatine, and another amino acid supplement to define his muscle. These supplements are very expensive as you know. I discourage him from doing this, but I wondered if there was any medical research or articles of any kind to back...

I'm looking for a sports dietitian. Where can I find one in my area? If you are looking for a dietitian with expertise in sports nutrition, go to Find a Sports, Cardiovascular, and Wellness Nutritionist RD and click on your state on the map of the U.S. You can also find a dietitian at the...

I exercise frequently, so I try to eat a diet rich in amino acids. Unfortunately, I don't really know how to tell what amino acids (or how much of them) I get from what I eat. Since food labels don't give us this information, is there another way to find out? First, you need to...

Do they still encourage carboloading for athletes? Yes, modified carboloading is still practiced. Carboloading started with marathon runners in an attempt to store as much muscle glycogen as possible, to run longer. Originally, the diet combined periods of exhaustive exercise and a low carbohydrate diet. A few days before an athletic event, the athlete was...

I am 29 years old. I am 5 feet and 4 inches tall and weigh 107 pounds, in general, my built is small. I exercise for an hour every day, usually aerobic and a little weight lifting. Recently, I went for a fitness test and was tested with 28.4% body fat at. This is...