Rhonda Patrick on Vitamin C

STORY AT-A-GLANCE

  • Rhonda Patrick, Ph.D., discusses vitamin C in-depth, covering everything from its effects on immune function and viral infections to the bioavailability of different vitamin C forms and administrations, such as oral or intravenous — plus much more
  • Vitamin C, even in small quantities, protects proteins, lipids and even DNA and RNA in your body from reactive oxygen species that are generated during normal metabolism as well as due to toxin exposure
  • Vitamin C also acts as an antioxidant within your cells, helping to protect immune cells from incurring damage, and may promote the production of interferon, which helps defend against viruses
  • Vitamin C’s anti-cold effects are among its most-studied uses, and research suggests that using vitamin C prophylactically as well as therapeutically at the onset of cold symptoms may reduce symptoms and cold duration
  • Due to vitamin C’s antioxidant properties, it may help decrease the risk of neurodegenerative conditions like Alzheimer’s disease, Parkinson’s disease, Huntington’s disease and multiple sclerosis because it reduces oxidative damage
  • Bioavailability of vitamin C varies by form; intravenous is most bioavailable, but liposomal vitamin C, in which vitamin C is encapsulated in a lipid particle, may increase bioavailability of oral vitamin C considerably

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