Identify the set of fat-soluble vitamins that can be stored in the human liver and adipose tissues, and are therefore not required to be consumed strictly on a daily basis.

Consider the following statements with reference to fats: 1. They provide energy to the body. 2. They protect various body parts from injury.

Ramu complains of weak muscles and having very little energy to work. He is most likely suffering from a deficiency of which vitamin?