Micronutrients & recovery
Consuming broccoli or glucoraphanin-rich sources provides health benefits primarily through the formation of sulforaphane, but efficacy depends on the bioavailability of the source and individual microbiome capacity to convert glucoraphanin to sulforaphane.
To get the most benefit from broccoli, focus on getting enough glucoraphanin. This means choosing broccoli varieties known to be high in this compound (like certain sprouts or specific hybrids) rather than just any generic head. If you take supplements, be aware that sulforaphane is unstable, so look for stabilized formulations. Your gut bacteria play a key role in converting the precursor to the active form, so individual results may vary.
Present in the plant as its precursor, glucoraphanin, sulforaphane is formed through the actions of myrosinase, a β-thioglucosidase present in either the plant tissue or the mammalian microbiome.
Why this rating
The paper reviews robust epidemiological evidence, over 3000 publications, and multiple clinical trials, though noting challenges in dose standardization.
Source
Broccoli or Sulforaphane: Is It the Source or Dose That Matters?
Yoko Yagishita et al. · Molecules · 2019
DOI 10.3390/molecules24193593
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