Vitamin C (ascorbic acid) measures the level of this water-soluble vitamin in your blood. Vitamin C is a powerful antioxidant essential for collagen synthesis, wound healing, and immune function.
Category: Vitamins & Minerals
Also known as: vitamin c, ascorbic acid, vit c, ascorbate
Reference range: 0.4–2 mg/dL (Source: ABIM)
Standard unit: mg/dL
High values may indicate
High vitamin C levels are uncommon due to its water-soluble nature but excessive supplementation may cause diarrhea, nausea, kidney stones, and can interfere with certain lab tests.
Low values may indicate
Low vitamin C levels may indicate scurvy, poor dietary intake, smoking, alcoholism, or malabsorption, and can cause fatigue, bruising, bleeding gums, and impaired wound healing.