Is there a significant difference between food vitamins and synthetic vitamins?

Mostly not except...: For the most part synthetic vitamins are chemically identical to the natural vitamins found in foods. One crucial exception is vit. E; natural vit e consists of d-alpha, beta, delta ; gamma tocopherols while synthetic is dl-alphtocopherol, 50% of which is the l isomer which our bodies can't use ; seems to be toxic. Many of the "food-based" vitamins sold are not what they seem-see comment for more:.