Quercetin
3 brands compared · cheapest first
Life ExtensionBest value
Optimized Quercetin 250 mg
250 mg · 60 capsules
$15.00for 60 doses
$0.250per dose
$0.001 / mg
Best value 3x cheaper per mg than Thorne. Standard quercetin form.
Pure Encapsulations
Quercetin 500 mg
500 mg · 60 capsules
$38.00for 60 doses
$0.633per dose
$0.00127 / mg
Standard quercetin (not phytosome) — lower absorption but more mg per capsule.
Thorne
Quercetin Phytosome
250 mg quercetin phytosome · 60 capsules
$46.00for 60 doses
$0.767per dose
$0.00307 / mg
Phytosome form — 20x absorption vs regular quercetin. 1-2 caps = standard immune dose.