A Sattvic diet, also known as Satvik Bhojan, is a diet based on the principles of Ayurveda, an ancient form of Indian medicine. The word "Sattvic" comes from the Sanskrit word "sattva," which means "pure, essence, nature, vital, energy, clean, conscious, strong, courage, true, honest, wise, rudiment of life". The diet is based on the belief that food can affect the mind, body, and spirit, and that consuming certain foods can promote physical and mental health.

A Sattvic diet is a pure vegetarian diet that includes seasonal fresh fruit, ample fresh vegetables, whole grains, pulses, sprouts, dried nuts, seeds, honey, and dairy products such as milk, ghee, and paneer. The diet is high in fiber and low in fat, and it is thought to increase energy, happiness, calmness, and mental clarity. Sattvic foods are considered to be "pure, essential, natural, vital, energy-containing, clean, conscious, true, honest, wise". The diet also exemplifies Ahimsa, the principle of not causing harm to other living beings, which is why yogis often follow a vegetarian diet.

In contrast, foods that decrease the energy of the body are considered tamasic, while those that increase the energy are considered rajasic. Rajasic foods are spicy, hot, fried, and stimulating, while tamasic foods are stale, impure, and heavy.

While the Sattvic diet may be a good choice for those who want to follow the principles of Ayurveda, it is more restrictive than other plant-based diets such as the whole-foods plant-based (WFPB) diet. It cuts out many nutritious foods and has strict rules that may make it difficult to sustain. Therefore, it is important to talk to a doctor before starting any new diet.