BioStacksBest Vitamin C for Longevity
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Clinical dose: 250–2000 mg
How Vitamin C supports longevity
When it comes to longevity, Vitamin C is one of the most supporting nutrients to consider. Potent antioxidant and cofactor for collagen synthesis, immune function, and iron absorption. Liposomal vitamin C provides significantly higher bioavailability than standard ascorbic acid by encapsulating the molecule in phospholipid spheres for enhanced cellular uptake. Buffered forms (mineral ascorbates like calcium or magnesium ascorbate) reduce gastric irritation for sensitive stomachs.
How much vitamin c do you need
Research points to 250–2000 mg as the effective range for vitamin c. Common supplement range; UL is 2000 mg/day. Lower doses may provide some benefit, but most studies showing clear results used this range.
Which form absorbs best
Avoid ascorbic acid — standard form — absorption drops above 1,000mg. Avoid ester-c — marketing claims, unclear benefit over standard forms. Avoid ascorbyl palmitate — fat-soluble form, limited bioavailability data. The most bioavailable options are calcium ascorbate or liposomal vitamin c.
Clinical research
Vitamin C has strong clinical evidence for longevity benefits. Cochrane review of 29 trials found it reduces cold duration 8% in adults; key cofactor for collagen synthesis Learn more
