The FDA put them on a shortage list
Laboratory markers Blood tests that quantify deficiency, such as low serum B12 or anemia, often improve over weeks to months
Looking further ahead, findings also indicate meaningful switching intent among existing patients, with up to 500,000 open to changing treatment if price and real-world outcomes meet expectations
Sandstrm BE, Carlsson J, Marklund SL (1989) Selenite-induced variation in glutathione peroxidase activity of three mammalian cell lines: no effect on radiation-induced cell killing or DNA strand breakage
Natural medicine injections are pregnancy category C
A meta-analysis showed significant improvements in fasting blood glucose and insulin resistance with doses 2,000 mg daily for 12 weeks