Whey protein, whey isolate, creatine…these are all sports nutrition supplements that most athletes and bodybuilders are very familiar with. However, they’re not the only ones that can take your fitness game to the next level, and there are other powerful supplements worth getting to know as well. One of these is L-Carnitine, which is sold in liquid from by Challenger...

Amino acids are considered to be the building blocks of proteins, which makes them incredibly important to athletes, bodybuilders, and fitness buffs. When your body digests protein through food or supplements, it breaks down into different amino acids that have specific functions in the body. Getting more of them can help you build muscle and sustain it over time. Essential...