Is isotretinoin a derivative of which natural vitamin?

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Multiple Choice

Is isotretinoin a derivative of which natural vitamin?

Explanation:
Isotretinoin is a derivative of Vitamin A. It’s a retinoid, a synthetic analog of retinoic acid—the active metabolite of Vitamin A. In the body, retinol (Vitamin A) is converted to retinal and then to retinoic acid, which regulates skin cell growth and keratinization. Isotretinoin mimics this retinoic acid action, leading to reduced sebum production and normalization of follicular keratinization, which is why it’s effective for severe acne. The other vitamins listed have different structures and roles, so they’re not related to isotretinoin’s mechanism.

Isotretinoin is a derivative of Vitamin A. It’s a retinoid, a synthetic analog of retinoic acid—the active metabolite of Vitamin A. In the body, retinol (Vitamin A) is converted to retinal and then to retinoic acid, which regulates skin cell growth and keratinization. Isotretinoin mimics this retinoic acid action, leading to reduced sebum production and normalization of follicular keratinization, which is why it’s effective for severe acne. The other vitamins listed have different structures and roles, so they’re not related to isotretinoin’s mechanism.

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