These are a few of dozens of studies. dr strum has been prescribing it for dozens of patients. he recommends 3 grams liquid . which is what he takes I also read a paper using various grams. Some less, some more, and it was determined 3 gr was optimum. It has also helped my heart functioning and there is literature verifying that.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6498091/
https://pubmed.ncbi.nlm.nih.gov/10067662/
https://clinicaltrials.gov/ct2/show/NCT00984750