Shred FX The key components in the popular product ZMA is B-6 and aspartates vitamins. Players all over the earth put it to use to improve muscle energy. It is known by some for the ability to Increase Testosterone Levels by a huge percent of it. This supplement does not include anything that your system wouldn't make obviously. It's formulated to enhance the body creation of minerals and vitamins needed for muscle use. You must look into conversing with your doctor if you believe this may be the one for you.