Testing for vitamins in the body is measuring the levels of nutrients and vitamins that the body needs. Taking vitamins to replace or supplement the nutrients your body receives is not enough. But if you take vitamins in the wrong way May have negative effects on the body Because each person’s body lacks different types of vitamins. Some people receive more vitamins than their body needs. It is the cause of various diseases. Therefore, measuring the levels of nutrients in the body, vitamins, minerals and cell degeneration caused by free radicals Before choosing to take vitamins This will allow us to receive the correct nutrients in sufficient quantities for the body.