Alpha Lipoic Acid
3 brands compared · cheapest first
Life ExtensionBest value
Super R-Lipoic Acid 240 mg
240 mg R-ALA (active isomer) · 60 capsules
$33.94for 60 doses
$0.566per dose
$0.00236 / mg
Pure R-ALA (active form) — 240mg R-ALA is roughly equivalent to 480-600mg racemic ALA. Better-bioavailable form.
Thorne
Alpha-Lipoic Acid
300 mg · 60 capsules
$41.00for 60 doses
$0.683per dose
$0.00228 / mg
Standard racemic ALA. R-ALA forms (more potent) cost more per mg.
Pure Encapsulations
Alpha Lipoic Acid 600 mg
600 mg · 60 capsules
$67.50for 60 doses
$1.125per dose
$0.00188 / mg
PE also sells 200mg version (B0015SUU4C, $41/60 caps) — better per-mg value for lower doses.