Rhonda Patrick· PhD
The RDA for vitamin C is ~200 mg/day which leads to plasma levels of ~70μmol/L in most people.
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The headline is broadly defensible, but the qualifications matter. Effect sizes vary by population, the strongest claims rest on shorter trials, and credible voices push back on how it's typically framed.
The RDA for vitamin C is ~200 mg/day which leads to plasma levels of ~70μmol/L in most people.
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Native comments, Twitter mentions, and Reddit threads about this claim — surfaced together so the conversation isn't fragmented across platforms.
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The idea behind the different RTA's is that research shows that consuming these amounts will maintain the optimal blood concentration of approximately 50 micromoles per liter of blood a concentration necessary to prevent oxidation of LDL cholesterol