To date there are at least 80.As of March 12, 2022, 190 of them are listed on clinicaltrials.gov.(https://clinicaltrials.gov/ct2/results?cond=&term=broccoli+OR+sulforaphane+OR+glucoraphanin&cntry=&state=&city=&dist=)We have summarized the relevant peer reviewed scientific literature recently (Yagashita et al. 2019; Yagashita et al. 2020; Fahey & Kensler 2021).Since these reviews were published, a number of additional clinical studies have been published, in particular, dealing with autism (ASD) and schizophrenia.
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