Progestogens have been shown to have only a marginal effect on bone mineral density. There is no conclusive evidence that HRT will protect bones from the ravages of osteoporosis. Dr John Lee from Sebastopol in California has been using natural progesterone with his patients for the last twenty years with excellent results. Progesterone in this form has no known side-effects according to Dr Lee. Natural progesterone is not patentable as it is a natural substance which inhibits vast profits being made through its sale.
Synthetic hormones are patentable allowing a vast potential for profit.
Undoubtedly, calcium is important for bone strength, but it's not that simple. It may be very convincing for the Milk Marketing Board to understand osteoporosis as a calcium problem as milk is a very rich source of calcium, but I can assure you that the bones in your body do not see it so simplistically. The way the body absorbs and handles calcium is very complex. Let's take a look at why just taking additional calcium is only part of the answer. Too Much Protein One of the most significant, yet less well-known risk factors, according to a World Health Organisation research survey, is excessive protein consumption.