Beta carotene is found in the yellow or orange pigment present in many fruits and vegetables. The human body can readily convert beta carotene into vitamin A.
Bioflavonoids are a group of water-soluble substances that occur mainly as natural pigments in plants and flowers. They may occur as natural dyes and in citrus fruit. Bioflavonoids are found in the white portion of the peel.
Choline and inositol, members of the B-complex, are both found inside our bodies’ cell walls. Choline increases the production of lecithin which in turn breaks down fats.
Niacin comes in two forms: acid (nicotinic acid) and amide (nicotinamide) – neither of which has anything in common with nicotine. Niacin was also referred to as "PP" because it prevented pellagra, a niacin-deficiency disease whose symptoms are diarrhea