For most patients, lipotropic injections are generally well tolerated, but as with all medical procedures, some temporary side effects are possible, including soreness or wllng at the injection site, allergic reactions, gastrointestinal discomfort, headaches, light-headedness, and fatigue
[PubMed Central] Sloen: N-acetyl-L-cystein (49,4 %)
Not sure whether this was due to improper storage - it needs to be kept cool and in the dark otherwise can degrade - or for some other reason
"Therapeutic approaches to cobalamin-C methylmalonic acidemia and homocystinuria"
Results: Use L-Glutathione ampoule at night, as this is when the skin is most receptive to repair and renewal
323 RouasRFayyad-KazanHEl ZeinNLewallePRothFSimionAet al