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Key Facts about Vitamin C

Dec. 26, 2025

Recent research suggests that large doses of vitamin C may provide the lungs with a degree of protection from the harmful effects of fine particles in the air.

About Vitamin C:

  • Vitamin C, also known as ascorbic acid, is a water-soluble vitamin.
  • Function:
    • It is needed for the growth and repair of tissues in all parts of body. It is used to:
      • Form an important protein called collagen, used to make skin, tendons, ligaments, and blood vessels.
      • Heal wounds and form scar tissue.
      • Repair and maintain cartilage, bones, and teeth.
      • Aid in the absorption of iron.
    • It is a powerful antioxidant that can neutralize harmful free radicals.
    • It helps make several hormones and chemical messengers used in the brain and nerves.
  • The body doesn't make vitamin C. It comes from the diet.
  • Sources:
    • Vitamin C comes from fruits and vegetables.
    • Good sources include citrus, red and green peppers, tomatoes, broccoli, and greens.
    • Some juices and cereals have added vitamin C.
  • Vitamin C is sensitive to heat, so some of its nutritional benefits can be lost during cooking. Raw foods are more beneficial as dietary sources.
  • Vitamin C is not stored in body, so deficiency can happen quickly.
  • Sometimes, vitamin C deficiency can lead to scurvy.
    • Scurvy symptoms and signs can include anemia, exhaustion, spontaneous bleeding, limb pain, swelling, and sometimes ulceration of the gums and loss of teeth.

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