Just make your own.
Seed Sprouting Jar Kit with Wide... https://www.amazon.com/dp/B08MWFXBBJ?ref=ppx_pop_mob_ap_share
Broccoli Seeds for Sprouting &... https://www.amazon.com/dp/B07R1MB53T?ref=ppx_pop_mob_ap_share
Easy and cheaper. Make a bunch, freeze, and reheat with warm water add mustard seed powder and you have a ton of sulforaphrane.