Tag: Oral vs iv vitamin c

The human body cannot produce its own vitamin C, making external intake essential. While many people rely on diet or standard supplements, the effectiveness of vitamin C can vary dramatically depending on the delivery method. This raises a crucial question: what is the best route for vitamin C to ensure maximum absorption and benefit?

Research indicates that the human body's ability to absorb vitamin C is limited and dose-dependent, with absorption efficiency decreasing significantly as the intake increases. This physiological mechanism helps regulate overall vitamin C levels and explains exactly how much vitamin C does your body absorb at one time.

Over 70% of people are deficient in vitamin D, but unlike this fat-soluble nutrient, the absorption of water-soluble vitamin C is a more straightforward process for the body. The key question is not whether the body can absorb it, but rather, does vitamin C need anything to absorb more effectively?

According to the National Institutes of Health, when consuming moderate amounts of vitamin C (30–180 mg), the body absorbs approximately 70–90% of it. This fact alone suggests the impossibility of absorbing more than 100% vitamin C, but the full story of how your body processes this essential nutrient is even more complex and important to understand.