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Ingredient

Vitamin C (Ascorbate)

Strong

An essential vitamin with the strongest evidence at modest daily doses.

How it works

Water-soluble antioxidant and enzymatic cofactor for collagen synthesis and norepinephrine biosynthesis.

Evidence

Pharmacopoeia-grade adequacy evidence; tissue saturation at modest doses.

Studies

  • Levine et al., Proc Natl Acad Sci, 1996

    Pharmacokinetic basis for tissue saturation at modest oral doses.

    PubMed 8623000

Top products

Sorted by effective monthly cost

Nature Made Vitamin C Ascorbate 500 mg

Nature Made

Per serving
500 mg
Studied midpoint
600 mg · 2/day

Effective cost

$0.24/day·$7/month

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