Any source that can provide a per-lot COA confirming the five USP test parameters from an identified testing laboratory, matched to the lot number on the vial meets the minimum documentation standard regardless of brand name
[Effect of hCG on proliferation of hepatocyte organelles of normal and pathologically [PMID: 7295952] Laboratory literature summary: [Effect of hCG on proliferation of hepatocyte organelles of normal and pathologically altered rat livers]
Vitamin B12 helps to boost energy levels, promote fat metabolism, and support healthy nerve function
The initial shots were used to rapidly refill them, prevent further nerve damage, and help heal recent damage
Not shown on the list because they are strictly oral are the collagen peptides which are widely marketed and not-FDA approved
Too many of those deficient in Iron and/or B12, are simply given supplements, sometimes indefinitely, to try and raise their levels