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.