High blood glutathione levels accompany excellent physical and mental health in women ages 60 to 103 years. The Journal of laboratory and clinical medicine 140 6 (2002): 413-7 .
"Placebo-controlled" means the control group receives an identical-looking but inactive product, so any improvement in the treatment group can be attributed to the active ingredients rather than the act of applying something
Singhal, K., Mehtab, S., Pandey, M
The FDA has stated explicitly that these salt forms are "different active ingredients" and that the agency "is not aware of any lawful basis for their use in compounding." The practical concern is that salt forms may have different chemical and pharmacological properties
The controversial history of hormone replacement therapy
While shilajit itself may not be the cause, its energizing properties could potentially exacerbate an existing rhythm issue or interact with medications