Rhonda Patrick· PhD
The best sources are a high-quality supplement or broccoli sprouts (which are a concentrated source of the sulforaphane precursor glucoraphanin).
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The evidence is convergent. Multiple independent sources reach the same conclusion, the underlying mechanism is well-characterized, and even the field's most cautious voices treat it as worth doing.
The best sources are a high-quality supplement or broccoli sprouts (which are a concentrated source of the sulforaphane precursor glucoraphanin).
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We were quite happy when we determined that in broccoli sprouts, there were essentially no indole glucosinolates, therefore, there was no indole-3-carbinol or diindolylmethane that we would have to worry about.
And lo and behold, it turns out that broccoli sprouts had much higher levels of the precursor of sulforaphane, glucoraphanin, than did the mature plants, the heads of broccoli that you buy in the market.
i harvest the seeds on the second or third day to get the most sulforaphane and to reduce the potential for bacterial growth