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What brand did Dr. Fahey recommend, that was available in the US
If you review the graph shown on @rhonda’s interview of Dr. Jed Fahey (chairman of the Cullman Chemoprotection Center at Johns Hopkins) at 00:21:05 you can see the three categories of supplements that each of the brands mentioned above represent with their products: glucoraphanin, glucoraphanin + myrosinase, and stabilized sulforaphane (far left).