Sulforaphane
2 brands compared · cheapest first
Life ExtensionBest value
Optimized Broccoli with Myrosinase
100 mg broccoli sprout · 30 capsules
$27.75for 30 doses
$0.925per dose
$0.00925 / mg
Includes myrosinase enzyme — needed for active sulforaphane production. Once-daily.
Thorne
Broccoli Seed Extract (Sulforaphane Glucosinolate)
60 mg SGS · 30 capsules
$67.00for 30 doses
$2.233per dose
$0.0372 / mg
SGS is the glucoraphanin precursor (converts to sulforaphane via myrosinase). Thorne is the most expensive of the three.
Note
Pure Encapsulations does not carry pure sulforaphane; their Nrf2 Detox (B01N5ABC55) is a multi-ingredient Nrf2 activator blend that includes broccoli extract. For dedicated sulforaphane, prefer BrocccoMax / Jarrow or Avmacol (research-grade).