An advertisement for health supplement for dogs claims to build lean muscle and strengthen tendons and ligament as well as provide energy. Which two molecules must the supplement contain to provide these benefits

The correct answer is vitamins and proteins.

Using the supplements for dog is important in order to make the muscle growth and to strengthen the tissues.

Vitamins, such as Vitamin C, which is required for a dog to support collagen production or Vitamin E which has antioxidant function.

Answer: Proteins and carbohydrates