Research

Micronutrients & recovery

Ascorbic acid (Vitamin C) significantly improves iron absorption and status, particularly in populations with plant-based diets or iron deficiency, though it may impair copper absorption at high doses.

If you are vegetarian or have low iron, adding Vitamin C to your meals or taking a moderate supplement (200mg) can significantly boost your iron levels. However, if you eat a lot of meat, extra Vitamin C might not help your iron much and could potentially lower copper levels if taken in very high doses long-term.

GoodQualifiesHIGH confidence
Ascorbic acid has a strong iron absorption promoting potential and in iron deficient populations ascorbic acid supplementation improves iron status.
Brittmarie Sandström · British Journal Of Nutrition · 2001

Why this rating

Supported by multiple studies showing improved hemoglobin and iron status in deficient groups.

Source

Micronutrient interactions: effects on absorption and bioavailability

Brittmarie Sandström · British Journal Of Nutrition · 2001

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