Folks are anecdotally getting better sleep and having improved heart rate variability values
If you don't eat enough of the right foods, for example, you may not consume enough of the amino acids needed to synthesize glutathione
References: Blair E, Miller A
Rinnerthaler M, Bischof J, Streubel MK, Trost A, Richter K
Its 0.9% benzyl alcohol preservative actively slows bacterial growth, keeping your solution safer between research sessions
The evidence: Taking melatonin can help people fall asleep about 7 minutes faster, on average, and studies show that its useful for people with jet lag or a sleep disorder called delayed sleep phase syndrome