Answer: False
Explanation: Protein is an vital component of the body as it is used by the body for performing various important functions. Nails and hairs are made of protein only.
Protein is also used to synthesize hormones, enzymes and other chemicals of the body. It is also known as the building block of muscles, cartilage, bones et cetera.
But, unlike other macro nutrients proteins does not get store in the body as it has no reservoir and needs a new supply when required.