Prospects of the common cold, influenza, sore throats and a plethora of aches and chills are just a few weeks away and this is a good time to think about some strategies to beat the winter blues. However recent studies into one major area of prevention has thrown up some very interesting facts that people should be aware of. It is the whole area of zinc supplements and zinc deficiency.

Dr. Prasad is considered to be the world expert on the trace mineral zinc and its metabolic effects on human beings with somewhere between 200 and 300 peer-reviewed publications to his credit . In this article he discusses an investigatioin of the effect of “mild zinc deficiency” on the serum testosterone levels of men.

Zinc, often described as the most ubiquitous trace element in the body, is of great importance in human nutrition. The World Health Organisation (WHO) estimates that up to 80% of western society may be mildly zinc deficient. One of the best sources of zinc are oysters and oyster extract powder is an excellent supplemental source of zinc. However not all oyster powders are the same.