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Vitamin C (as ascorbic acid) Facts

Fresh citrus fruits rich in vitamin C, including oranges and lemons

Vitamin C (as ascorbic acid) Facts

Vitamin C, also known as ascorbic acid, is a water-soluble vitamin and essential nutrient that the body cannot produce on its own. It must be obtained through the diet from foods like fruits and vegetables or through supplementation. Vitamin C is a powerful antioxidant known for its role in supporting immune function. It also helps the body manage physical and cellular stress and acts as a cofactor for producing several structures in the body - namely collagen.

Key Benefits of Vitamin C (as ascorbic acid):

Antioxidant support – Helps defend cells against oxidative stress.
Collagen formation – Supports the production of collagen, a protein important for skin, joints, and connective tissues.
Immune system support – Plays a role in the normal function of immune cells.
Energy support – Contributes to normal metabolic pathways that produce energy

Why it Matters:

US NHANES data have reported ~42% of people have insufficient Vitamin C levels. ¹

Vitamin C deficiency risk is higher in smokers, older adults, and people with limited fruit/vegetable intake.¹

Adequate vitamin C intake is essential for immune defense and skin integrity, which are especially important for aging populations and during times of stress or illness.

Citations:

1. Fulgoni VL 3rd, Keast DR, Bailey RL, Dwyer J. Foods, fortificants, and supplements: where do Americans get their nutrients? J Nutr. 2011;141(10):1847-1854. [NHANES data on vitamin C insufficiency]