Homocysteine is a toxic , amino acid not used in protein synthesis, but is part of methionine metabolism. The amount of homocysteine in your blood is one of the best indicators of how healthy you are. 38% of elderly persons, both male and female, have elevated homocysteine levels. Homocysteine occurs from the relative lack of Methionine and Vitamin B12 in the diets of vegetarians people and…