Tell me about Vitamin C
Vitamin C  is a vitamin found in food and used as a dietary supplement
ok, what types of food can I find Vitamin C?
citrus fruits, broccoli, Brussels sprouts, raw bell peppers, and strawberries.
ok nice, I will start eating more of these
Vitamin C is an essential nutrient involved in the repair of tissue 
That's neat, what else does Vitamin C do?
It is also involved in the enzymatic production of certain neurotransmitters.
That's even neater
Vitamin C is  important for immune system function.