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These effects are rare at low oral doses but warrant mention

PubMed PMID: 3777154

A direct injection bypasses absorption issues and delivers the full dose

Key Biological Roles of Vitamin C neutralizes reactive oxygen molecules generated during metabolism helps regenerate antioxidants such as glutathione and vitamin E supports collagen synthesis and connective tissue stability contributes to neurotransmitter production and brain protection helps protect cellular membranes from oxidative stress Vitamin C and Cellular Protection Typical intake ranges discussed in nutritional literature include: Because vitamin C is water soluble, doses are often divided throughout the day to help maintain stable levels in circulation