Author: Lance A Erley
The following excerpts are from an article that can be found at:
"The protein=calcium loss theory has been thoroughly tested and debunked by Dr. Herta Spencer and her colleagues. Several recent studies have actually shown that increased meat consumption contributed to stronger bones. Protein intake in the form of real meat has no effect on calcium metabolism. It is, rather, isolated amino acids and fat-free protein powders that can lead to imbalances. This is because the body needs the fat-soluble vitamins A and D found only in animal foods to properly absorb and utilize protein.
When protein is consumed without vitamins A and D, problems ensue. The current nutritional fad of trimming visible fats off of meat and removing chicken skins before eating is, therefore, a recipe for osteoporosis and should be abandoned. There are a range of things that can lead to calcium loss from our bones (e.g., refined sugar, caffeine, alcoholism, magnesium deficiency, etc), but eating meat with its fat is not one of them. Dr. Janson's theory that a high meat intake will lead to increased uric acid in the blood and then to kidney stones is another popular idea that is not supported by the science.
Theoretically, the sulphur and phosphorous in meat can form an acid when placed in water, but that does not mean that is what happens in the body. Actually, meat contains complete proteins and vitamin D (if the skin and fat are eaten), both of which help maintain pH balance in the bloodstream. Furthermore, if one eats a diet that includes enough magnesium and vitamin B6, and restricts refined sugars, one has little to fear from kidney stones, whether one eats meat or not (17). Animal foods like beef, pork, fish, and lamb are good sources of magnesium and B6 as any food/nutrient table will show.
Furthermore, uric acid levels in people without certain metabolic disorders have been effectively reduced by a high-protein & fat/low-carbohydrate diet. This is because it is primarily sugar that elevates urate levels in the blood and not animal protein."
Time Challenger Labs International, Inc.