I3C
2 brands compared · cheapest first
Life ExtensionBest value
Cruciferous Vegetable Extract (with I3C)
50 mg I3C (in blend) · 60 capsules
$22.50for 60 doses
$0.375per dose
Blend with broccoli extract and other crucifers. Lower I3C dose.
Pure Encapsulations
Indole-3-Carbinol 400 mg
400 mg I3C · 60 capsules
$68.50for 60 doses
$1.142per dose
$0.00285 / mg
400mg I3C (the upstream precursor to DIM). 120-cap (B0015X5RT0, $116.50) ~15% cheaper per cap. PE premium.
Note
Thorne doesn't carry standalone I3C. DIM (the I3C metabolite) is often easier to dose — see DIM entry.