Medical Nutrition Therapy For Various Disease States Practice Test

What is the vitamin C supplementation recommendation for Stage 3 or 4 ulcers?

100-200 mg 500-1000 mg 5-10 g 50-100 mg

Correct Answer:

500-1000 mg

Explanation:

Stage III and IV ulcers require more robust wound repair, including substantial collagen formation and antioxidant protection. Vitamin C is essential for collagen synthesis and supporting immune function in healing wounds, so a higher intake helps tissue repair without being excessive. The recommended range of 500-1000 mg per day provides enough vitamin C to support ongoing collagen formation and healing processes in these severe ulcers while staying well within safe limits for most adults. It’s higher than typical dietary intake but not a megadose. Lower amounts, like 100-200 mg or 50-100 mg, may not supply enough vitamin C to meet the increased demands of healing these wounds. Very high doses, such as 5-10 g, are not routinely needed and can cause adverse effects.

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