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:.