Which vitamin is most susceptible to degradation when exposed to heat and air?

Health & Nutrition MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

PPSCFPSCNTSPakistan govt jobs
Subject
Health & Nutritionphysical-education › health-nutrition
Published
14 Jan 2025
Last updated
28 May 2026

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Explanation

Vitamin C is highly sensitive to heat and oxygen, which can cause it to break down easily. In contrast, vitamins D, K, and E are more stable under such conditions.

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