Pantothenic acid is which B vitamin number?

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Multiple Choice

Pantothenic acid is which B vitamin number?

Remember that the B vitamins are numbered in a sequence, and pantothenic acid corresponds to vitamin B5. This nutrient is the fifth B vitamin identified, hence B5. It’s essential for forming coenzyme A, a central cofactor in energy metabolism and fatty acid synthesis. The other options map to different B vitamins: biotin is B7, niacin is B3, and riboflavin is B2. So pantothenic acid is vitamin B5.

Remember that the B vitamins are numbered in a sequence, and pantothenic acid corresponds to vitamin B5. This nutrient is the fifth B vitamin identified, hence B5. It’s essential for forming coenzyme A, a central cofactor in energy metabolism and fatty acid synthesis. The other options map to different B vitamins: biotin is B7, niacin is B3, and riboflavin is B2. So pantothenic acid is vitamin B5.

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