"Shop by categories" means that you can search products by categories. We provide supplements categories like this: amino acids, creatine, fat burners, glutamine powder, intro, pre and post workout protein and many more. Supplements category is shown as square with product picture inside. Below this window you can see the name of the category. It is very easy to find suitable product among these supplements types., because you see not only the name of various types of supplements but also picture.
Supplements purpose depends on your goals. If you are trying to loss your weight you should use fat burners. They will help you to do it more faster. If you are trying to gain weight and build your muscles you should use protein and weight gainers. Everything you need is here. Just scrole up and choose the best supplements categories for You.