Here's what happened when NAC was added: Case 1 : Irritability score (ABC-I) dropped from 24 to 17 after 3 months of NAC 1200 mg twice daily
In fact, studies suggest that when B12 levels drop below a certain threshold, around 253 pg/ml, it can cause changes on an ECG that point to a higher risk for arrhythmias, even in otherwise healthy people
doi:10.1097/grf.0000000000000155 Creasy SA, Lang W, Tate DF, Davis KK, Jakicic JM
In other words, it's a superb moisturizer that makes your skin nice and smooth, without being heavy or greasy
Preliminary data suggest that -Hydroxy--methylbutyrate may attenuate lean mass loss during caloric restriction [54]