Best Answer: The abbreviation e.g. means 'for example', and is short for the Latin exempli gratia. The English language uses many Latin words and abbreviations of Latin words. e.g. ad nauseam - 'to a disgusting degree' [Latin literal meaning 'to sickness'] e.g. - 'for example' [abbrev for exempli gratia]
Vitamin B3 is one of 8 B vitamins. It is also known as niacin (nicotinic acid) and has 2 other forms, niacinamide (nicotinamide) and inositol hexanicotinate, which have different effects from niacin. All B vitamins help the body convert food (carbohydrates) into fuel (glucose), which the body uses to produce energy.
Niacin is a water-soluble vitamin, which is also known as nicotinic acid or vitamin B3. Nicotinamide is the derivative of niacin and used by the body to form the coenzymes nicotinamide adenine dinucleotide (NAD) and nicotinamide adenine dinucleotide phosphate (NADP). The chemical structures of the various forms of niacin are shown (Figure 1).