Carotenoids are of importance to both the plant and the host micro organ ism. Carotenoids are typically found in photosynthetic plants or fungi, algae, and animal products. They are also found in eggs, animal tissues, fruits, and many vegetables. Carotenoids are involved in the photosynthetic process and offer protection against photodamage. They provide the yellow, orange, and red colors to their respective fruits and vegetables. Carotenoids are one of the two key pigments that contribute to the skin yellowness of humans. They are also recognized as valuable nutritional compounds to the human body. They are essential for enhancing the immune system, possess photoprotection ability, and may support reproductive health.