There
is a caution about taking melatonin if you are on warfarin ( a blood thinner) .Please always check with your medical team just to ensure no conflicts with any treatment you are on - I had a wake up call on one “natural supplement “.
Members on here provided me with a wonderful tool to also check supplements from a NYC hospital specialising only in cancer treatment - Memorial Sloan Kettering Cance Centre.I gather BCNA recommend it too.Here is the web address -
www.mskcc.org/cancer-care/patient-education/herbal-remedies-and-treatment ;
Its well worth the time investigating this site.