Dose: 100-250mcg Frequency: Daily or every other day Timing: 30-60 minutes before bed Duration: 4-8 weeks, followed by 2-4 week break At these doses, most users report noticeable improvements in sleep onset, depth, and morning alertness
As of 2026, the paper has not been formally retracted, but the Expression of Concern remains in force
Zhou Z, Wu H, Yang R, Xu A, Zhang Q, Dong J, Qian C, Sun M
doi:10.15605/jafes.037.02.14
It also plans to approve health insurance coverage for a medication called leucovorin as a treatment for autism spectrum disorder
Its mainly a solvent for ingredients that do not like to dissolve in oils but rather in water