Description
A vitamin C blood test measures the amount of vitamin C in your blood, also known as ascorbic acid. The test is used to identify vitamin C deficiency and other medical conditions.
Why it's important
- Vitamin C is a water-soluble antioxidant that's essential for many bodily functions, including immune support, collagen production, and wound healing.
- Low vitamin C levels can lead to fatigue, bruising, joint pain, and slow-healing wounds.
- Vitamin C deficiency could indicate an underlying condition, such as malnutrition, intestinal malabsorption, or gastrointestinal disorders.
Who might need a vitamin C blood test
- Older adults
- Smokers
- People with gastrointestinal conditions
- People with symptoms of fatigue, joint pain, or frequent infections
Fasting not required.
