Drug design frequently but not necessarily relies on computer modeling techniques. This type of modeling is sometimes referred to as computer-aided drug design. Finally, drug design that relies on the knowledge of the three-dimensional structure of the biomolecular target is known as structure-based drug design.
The most well known vitamin that the body canât produce and can only be gotten from animal foods, is Vitamin B12. Vitamin B12 is a water-soluble vitamin that is involved in the function of every cell in the body. It is tightly involved in the formation of blood and the function of the brain.
Animal Products. Foods derived from animals--meat, dairy, fish and poultry--are the only foods in which vitamin B12 occurs naturally. If you don't get enough of this vitamin, you could suffer memory loss and other neurological problems, according to the Harvard School of Mental Health website. If you are vegetarian or vegan, look for foods fortified with vitamin B12, or take B12 supplements.