Vitamins are organic food substances found only in living things such as supplements, plants and animals. With very few exceptions, the body cannot manufacture these vitamins itself.
Vitamins are essential to the normal functioning of our bodies.
They are necessary for our growth, vitality, and general well being. They combat free radicals that cause deterioration of skin and muscle. Elevated senses of well being, improved immune system, faster healing, healthier skin, hair and nails. No, unless taken in extreme amounts vitamins do not have any side effects. You can go with any reputable brand.