Where To Buy Sulforaphane | SAFE · 2025 |

Major brick-and-mortar retailers like , Sprouts , or The Vitamin Shoppe carry sulforaphane precursors, usually labeled as "Broccoli Seed Extract."

Buying in-person allows you to check expiration dates, which is critical since the potency of cruciferous extracts can degrade over time. 3. Online Marketplaces (Amazon, iHerb) Amazon and iHerb offer the widest variety of price points. where to buy sulforaphane

Many over-the-counter extracts lack the active myrosinase enzyme. If you buy these, check the label for "Myrosinase" or "Sulforaphane Glucosinolate." Major brick-and-mortar retailers like , Sprouts , or

Use third-party testing sites like Labdoor or ConsumerLab to verify that the brand you’re buying actually contains the levels of sulforaphane promised on the label. 4. Fresh Produce and Sprouting (The DIY Route) Fresh Produce and Sprouting (The DIY Route) 3-day-old

3-day-old sprouts contain up to 100 times more glucoraphanin than mature broccoli, providing a massive, natural dose for a fraction of the cost of supplements. Summary of Best Practices