Gelatin constitutes the shells of pharmaceutical capsules in order to make them easier to swallow. Gelatin is a translucent, colourless, brittle, nearly tasteless solid substance, extracted from the collagen inside animals' connective tissue. It has been commonly used as a gelling agent in food, pharmaceutical, photography, and cosmetic manufacturing.

L-Carnitine is a naturally occurring nutrient in the body that helps the body turn fats into energy. It is primarily produced in the liver and kidneys, and is stored in the muscles of the heart, brain, skeleton, and sperm. L-Carnitine is commonly used in supplements used by body builders. It helps increase and boosts the process of burning of fat in the body that gives energy, promotes a healthy cardiovascular system, proper circulation of blood and a healthy liver. It also helps suppress and reduce the appetite. It also helps those with chronic fatigue syndrome, increasing the focus, energy level, and reduces exhaustion.

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.