It is commonly found in citrus fruits (such as lemon and limes), sour milk products (like yogurt, cheese, and sour cream), and fermented substances (including wine, vinegar, pickles, sauerkraut, and soy sauce).
Answer:
Protein containing food like meat, egg and chicken etc is the muscle building food.
Explanation: Protein containing food such as meat is the food substance that contains the nutritive materials which helps in the build of muscles in the human body , but does not contain the macromolecules that provides quick energy. Meat which is a good source of protein and we know that protein is the main nutrient which is responsible for the building of muscles in the human body.