Vitamin C megadoses are defined as the consumption or injection of vitamin C (ascorbic acid) in doses well beyond the current United States Recommended Dietary Allowance of 90 milligrams per day, and often well beyond the tolerable upper intake level of 2,000 milligrams per day 1. Some of the benefits of vitamin C megadoses include:

  1. Strengthens the immune system: Vitamin C helps to boost the immune system by stimulating the production of white blood cells 2.
  2. Antioxidant effects: Vitamin C is a powerful antioxidant that helps to protect cells from damage caused by free radicals 3.
  3. Collagen production: Vitamin C is essential for the production of collagen, which is a protein that helps to keep skin, bones, and joints healthy 4.
  4. Wound healing: Vitamin C helps to promote wound healing by aiding in the formation of new tissue 5.
  5. Iron absorption: Vitamin C helps the body to absorb iron from plant-based foods .
  6. Protects the cardiovascular system: Vitamin C helps to protect the cardiovascular system by reducing inflammation and improving blood flow .
  7. Supports fat burning and increases metabolism: Vitamin C helps to support fat burning and increases metabolism by aiding in the production of carnitine, which is a molecule that helps to transport fat to the mitochondria where it can be burned for energy .
  8. May help to prevent cancer: Some studies have suggested that vitamin C may help to prevent cancer by reducing oxidative stress and inflammation .
  9. May help to prevent cataracts: Some studies have suggested that vitamin C may help to prevent cataracts by reducing oxidative stress in the eye .
  10. May help to prevent age-related macular degeneration: Some studies have suggested that vitamin C may help to prevent age-related macular degeneration by reducing oxidative stress in the eye .

It’s important to note that while vitamin C megadoses may offer some benefits, they can also cause side effects such as diarrhea, nausea, and stomach cramps 1. It’s always best to consult with a healthcare professional before taking any supplements.