Vitamins are micronutrients that offer support for several crucial functions throughout the body. They are needed for normal cell functioning, growth, and development, further improving the immune system. There are 13 recognizable vitamins such as A, C, D, E, K, B1, B2, B3, B6, B12, biotin, folate, and pantothenic acid. From resisting infections and keeping nerves healthy to helping the blood clot quickly, these vitamins perform several crucial roles in the body. However, it is common for vitamin deficiencies to arise and go unnoticed. And this is why it is essential to take vitamins tests at home.