MAGNESIUM BISGLYCINATE 11.7% is composed of glycine and magnesium. It is one of the most highly absorbable forms and moreover, only magnesium bisglycinate crosses blood brain barrier which is why it is a good choice as a depression, migraine headaches and anxiety aid. Magnesium is also needed for estrogen metabolism and decreased magnesium level causes estrogen dominance which in turn results in premenstrual breast as well as uterine pain, backaches, premenstrual depression and mood swings and headaches. It can also be of help in dealing hypertension, anxiety, irregular heartbeat, depression, osteoporosis, insomnia, leg cramps and fibromyalgia.