What is ascorbic acid and what does an overdose do to your body?
Ascorbic acid is vitamin C, check this answer to find out about overdosing on it.
Vitamins cause chemical reactions in the body, the components of them attach themselves to specific pieces of a cell depending on the way it’s put together. An ascorbic acid molecule will add a hydrogen atom and an oxygen atom to two amino acids: praline and lysine. This addition creates procollagen which is modified to be collagen. Collagen is the connective tissue of skin, bone, teeth, tendons, ligaments, organ capsules, connective tissue of organs, and a few other boring things.