Only if there is a specific deficiency which it has been determined by a blood test and a treatment has been recommended by a physician. People tend to spend big $$ in over the counter vitamins and supplements without even knowing if they really need them. Most of the recommended vitamin requirements we can get them by simply eating a balanced diet. Each person is different and unless they have a medical condition which depletes them form a specific vitamin(s), they really don’t need any extra supplementation. Also, with so many brands and types of vitamins out there, it’s almost impossible to figure out which ones are the best and most efficient.