India, Dec. 17 -- Protein, the building block of life, is a vital part of our daily diet and performs various functions to keep us operational.

The macronutrient helps in building and repairing tissues, producing enzymes and hormones, boosting immunity, transporting nutrients, and controlling blood sugar levels, among other things. While it is found in a variety of food items, not all sources of protein have the same concentration or added benefits.

Taking to Instagram on December 16, Dr Saurabh Sethi, California-based gastroenterologist trained in AIIMS, Harvard, and Stanford Universities, listed various protein sources alongside their nutritional benefits to help health enthusiasts make an informed choice.

Soy is a nutritious legume ...