Taurine: An amino acid, taurine, interacts with the GABA-C and GABA-A receptors, exerting an inhibitory or calming effect through the GABA-A receptor and through the glycine receptor.[ref][ref] Taurine is readily available as a supplement and is found in foods such as shellfish, liver, eggs, and most animal foods
J Sex Med (2013) 10(4):112435
suggests that increasing glutathione status can improve the bioavailability of vitamin D and can more effectively correct vitamin D deficiency than vitamin D supplementation alone
So, is there something special about the meat protein that creates that effect compared to vegetable protein
What Aftercare Should You Follow to Minimize Side Effects
Unfortunately, it showed significant problems with intravenous glutathione