Magnesium-L-Threonate

A form of magnesium, marketed as Magtein, claimed to cross blood-brain
barrier, improve sleep.(Hausenblas et al. 2024)

Study above has sample size of 80, claims p < 0.05, and a correction
note. The correction note says the researchers didn't register the
study before publication or properly declare conflicts of interest. In
the update, the Conflict of Interest is labelled as AIDP, Inc.

References

Hausenblas, Heather A., Tarah Lynch, Stephanie Hooper, Aahana Shrestha, Doug Rosendale, and Jennifer Gu. 2024. “Magnesium-L-Threonate Improves Sleep Quality and Daytime Functioning in Adults with Self-Reported Sleep Problems: A Randomized Controlled Trial. Sl”eep Medicine: X 8: 100121. doi:https://doi.org/10.1016/j.sleepx.2024.100121.