Gelatin is a solid substance that comes from the collagen found inside the skin and bones of some animals, mostly from pigs, cattles and other domesticated animals. The collagen becomes gelatin after undergoing the process of partial hydrolysis. Gelatin is a protein that is translucent, colorless, odor-free, breakable and almost without taste. One property of gelatin is its ability to melt easily when heated and in the same way, solidify when cooled. Commonly, it is being utilized as a gelling agent in many industries like food, pharmaceuticals and cosmetics. It's also known by its E number which is E441.

L-Carnitine is yet another weight loss supplement that also is an antioxidant and has effects on male infertility, diabetes, and bone mass and fatty acid metabolism.

Magnesium Stearate is coommonly used as a filling agent in the manufacture of capsules and tablets, such as vitamins, the source of this ingredient is typically bovine. However, there is an increasing number of vegetarian options in which the product specifically indicates it contains magnesium stearate from vegetable sources.

Silica is silicon dioxide, a trace mineral found in bones, teeth, skin, eyes, glands and organs. It also helps keep skin elastic. Silica works with calcium to maintain bone strength.