NAC
3 brands compared · cheapest first
Life ExtensionBest value
N-Acetyl-L-Cysteine (NAC) 600 mg
600 mg · 60 capsules
$11.25for 60 doses
$0.188per dose
$0.000313 / mg
Best value by ~2x per mg. 150-cap option (B07KR3LZNJ, $28.95) similar per-mg cost.
Thorne
NAC (N-Acetylcysteine) 500mg
500 mg · 90 capsules
$33.00for 90 doses
$0.367per dose
$0.000733 / mg
Pure Encapsulations
NAC 600 mg
600 mg · 90 capsules
$39.50for 90 doses
$0.439per dose
$0.000731 / mg
90-cap size. 360-cap bulk option (B003PR7RSS, $115.50) is ~12% cheaper per mg.