Overall
Transparency score: 93/100
Why it ranks: Serving size and count are explicit enough to sanity-check cost per dose.
Certified picks
If programs and disclosure matter first for Vitamin C, this list prioritizes them.
Constraint: certification links and transparency lane - still read each review.
Same editorial model as elsewhere; certs are on-file links, not independent verification by us.
More linked programs first, then transparency score, then overall score.
Overall
Transparency score: 93/100
Why it ranks: Serving size and count are explicit enough to sanity-check cost per dose.
Overall
Transparency score: 62/100
Why it ranks: Serving size and count are explicit enough to sanity-check cost per dose.
Tradeoff: Price per serving lags the category anchors we use.
Overall
Transparency score: 60/100
Why it ranks: Serving size and count are explicit enough to sanity-check cost per dose.
Overall
Transparency score: 60/100
Why it ranks: Serving size and count are explicit enough to sanity-check cost per dose.
Overall
Transparency score: 60/100
Why it ranks: Serving size and count are explicit enough to sanity-check cost per dose.