Discussion
______ is a potent antioxidant and participates in synthesis of collagen, carnitine and norepinephrine.
Answer: B
The vitamin is vitamin C.
Vitamin C (ascorbic acid) is a powerful water-soluble antioxidant. It is needed as a cofactor for the enzymes that build collagen, which is why its deficiency, scurvy, causes bleeding gums and poor wound healing, and it also takes part in making carnitine and the neurotransmitter norepinephrine.
Vitamin E is also an antioxidant, but it is fat-soluble and has no role in collagen synthesis. Vitamin A is needed for vision and epithelia, and vitamin D for calcium absorption and bones.
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