glutathione s transferase tag GST Enzyme His | S-Transferase Covalent binding of glutathione on

These proteins provide cysteine, the key amino acid needed for glutathione synthesis

Manso, J

For deficiency without neurological involvement or for borderline levels, oral supplementation with high-dose cyanocobalamin (1000-2000 mcg daily) is often effective, as approximately 1% of an oral dose is absorbed through passive diffusion even in the absence of intrinsic factor

Everything is included, needles, alcohol swabs etc Great product I felt energized after two dosages I asked for a slightly smaller needle , like a 28 gauge, or tb size, but I got no answer about getting those instead clear instructions, works great Love it