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Also reported in: mcmol/L
Your vitamin C is adequate for normal immune function, collagen synthesis, and antioxidant protection.
Very low vitamin C can cause scurvy — a disease characterized by bleeding gums, easy bruising, poor wound healing, corkscrew hairs, and very large fatigue. Vitamin C is essential for collagen synthesis, and without it, connective tissue throughout the body literally falls apart.
Seek medical care and start high-dose vitamin C supplementation immediately (500–1,000 mg daily). Increase fresh fruits and vegetables noticeably.
Vitamin C: {{value}} {{unit}} — very low (ref: {{low}}–{{high}})Low vitamin C impairs immune function (vitamin C concentrates in immune cells), reduces collagen production (affecting skin, joints, and blood vessels), and diminishes wound healing. Smokers require much more vitamin C as smoking destroys it rapidly.
Increase fresh fruits and vegetables (especially citrus, kiwi, bell peppers, and berries). Consider 500 mg vitamin C supplementation daily. Smokers need 1,000+ mg daily.
Vitamin C: {{value}} {{unit}} — below reference range (ref: {{low}}–{{high}})A borderline low vitamin C often simply reflects insufficient fruit and vegetable intake, or excess destruction from smoking, alcohol, or chronic stress.
Add a daily piece of citrus fruit, kiwi, or bell pepper. Consider 250–500 mg vitamin C daily.
Vitamin C: {{value}} {{unit}} — borderline lowYour vitamin C is adequate for normal immune function, collagen synthesis, and antioxidant protection.
No action needed. Continue eating fresh fruits and vegetables.
Vitamin C: {{value}} {{unit}} — within reference rangeYour vitamin C is in the ideal zone, supporting robust immune function, excellent antioxidant protection, and healthy collagen production for skin, joints, and blood vessels.
Excellent result. Keep up your fresh produce intake.
Vitamin C: {{value}} {{unit}} — optimalA slightly elevated vitamin C is almost always from supplementation. Vitamin C is water-soluble and generally well-tolerated, with excess excreted in urine.
Generally not concerning. Very high doses can cause digestive discomfort and may increase kidney stone risk in susceptible individuals.
Vitamin C: {{value}} {{unit}} — borderline highHigh serum vitamin C reflects substantial supplementation. Most excess vitamin C is excreted in urine (causing it to turn yellow/orange). At very high doses, GI distress, kidney stones (in those prone to oxalate stones), and iron overabsorption can occur.
If taking high-dose supplements, monitor for GI symptoms and consider reducing. Avoid doses above 2,000 mg daily without medical guidance.
Vitamin C: {{value}} {{unit}} — above reference range (ref: {{low}}–{{high}})Very high vitamin C levels from megadosing can noticeably increase oxalate excretion, raising kidney stone risk in those predisposed. At this level, hemolysis (red blood cell destruction) can also occur in people with G6PD deficiency.
Reduce supplementation noticeably. If you have a history of kidney stones or G6PD deficiency, discuss with your doctor urgently.
Vitamin C: {{value}} {{unit}} — very high (ref: {{low}}–{{high}})Upload your lab report and get your actual values interpreted in plain English — instantly, with no medical training required.