Vitamin C at 500mg hits the optimal dose exactly. The product name mentions quercetin but actually contains citrus bioflavonoids at 75mg, which is a different (though related) compound. For vitamin C delivery, this is excellent. The bioflavonoids serve as support to enhance C absorption. As a vitamin C supplement, it delivers perfectly on its purpose at clinical dose from a trusted brand.
The set is generated, never written by the brand.
Thorne Vitamin C with Quercetin: the formulation holds up. Lead: Vitamin C at 500 mg. Vitamin C at 500mg hits the optimal dose exactly. Clinical dose on the primary, and the panel holds together.
Immune support, antioxidant protection, general wellness.. The product provides a good dose of Vitamin C with synergistic bioflavonoids. However, it completely lacks Quercetin despite its name. This mislabeling is a significant concern, but the actual ingredients are dosed adequately.
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Also on the label (inactive): Cellulose Powder, Hypromellose (derived from cellulose) capsule, Calcium Laurate

This read comes from the product's own supplement facts panel. Every dose was cross-referenced with published clinical trials to see whether it matches what the studies actually used.

