Hello All, I am Darrel, from Las Vegas, NV. I have been a vegan since 1989. I am an avid triathlete but have recently started increasing my weightlifting ability to counter the effects of my declining testoterone levels, I am turning 52 this year and my wife is not happy with my libido. While, I have many natural substances none have worked as of yet. I am hoping that increasing my muscle mass and altering my macronutrient intake will help.