Tribulus gives rise to testosterone production by stimulating the pituitary gland to release luteinising hormone (LH). Highs and lows commonly coincide with the beginning or end of a relationship or with major life changes, such as pregnancy, menopause or illness. There’s little evidence of the therapy’s long-term efficacy and safety. I see many patients who think because they’re calorie free, sodas are a free pass. So when testosterone drops, so does estrogen. A 2010 study published in the New England Journal of Medicine found that men over 65 years of age with low testosterone levels who were treated with a daily testosterone gel for six months gained muscle strength and endurance compared with those who used a placebo gel but also had more heart attacks. Depression is a well known libido killer, but so are some antidepressants.
A doctor can help. A man can easily become depressed and lose his sex drive if he has troubles at work, or has lost his job or not