More Definitions added

More definitions have been added to the Vitamin Stuff dictionary. Building this type of reference is certainly taking a fair amount of time. However, I believe this information will be useful in providing background information for articles that reference these terms.

Metabolism
Lactic acid
Peptides
Glycogen
Mitochondria
Monounsaturated fat
Dietary fiber
Corticosteroids
Cholesterol
Catalase
Carotenoids
Carbohydrate
Cortisol
Enzymes
Caffeine
Beta-glucans
Adaptogens
Fast twitch muscle fiber
Slow twitch muscle fiber