Question

which of the following factors affect the bioavailability of a vitamin?
check all that apply
the addition of spices to make foods taste better
rate of movement of food through the gi tract
food processing and preparation techniques
whether the source of the vitamin is a whole food or a dietary supplement

Explanation:

• Rate of movement of food through the GI tract: Affects absorption time and thus bioavailability.
• Food processing and preparation techniques: Can alter vitamin structure and availability.
• Whether the source of the vitamin is a whole food or a dietary supplement: Different sources may have different absorption rates.
• The addition of spices to make foods taste better: Generally does not directly affect vitamin bioavailability.

Answer:

• Rate of movement of food through the GI tract
• Food processing and preparation techniques
• Whether the source of the vitamin is a whole food or a dietary supplement