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Question
Biology
Posted about 1 year ago
Distinguish between Niacin Obtained from food versus supplements or Drugs
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Answer from Sia
Posted about 1 year ago
Answer
Niacin from food is naturally occurring and often bound to other molecules, while niacin from supplements or drugs is typically in a pure, isolated form.
Solution
a
Source : Niacin in food is derived from plant and animal sources, where it is present as part of complex molecules like NAD and NADP
b
Bioavailability : Niacin from natural food sources may have varying bioavailability due to its association with other nutrients and the presence of dietary fiber
c
Form : Supplements and drugs usually contain niacin in the form of nicotinic acid or niacinamide, which are more readily absorbed by the body
d
Additives : Supplements may contain additional substances to improve stability, absorption, or to prevent side effects, such as flushing associated with nicotinic acid
Key Concept
The distinction between niacin from food and supplements or drugs lies in the source, bioavailability, form, and presence of additives.
Explanation
Niacin from food sources is part of complex molecules and may be less bioavailable, while niacin from supplements or drugs is typically in a pure form, designed for optimal absorption and may include additional substances.

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