p14ARF, also known as ARF tumor suppressor, is a protein product encoded by the alternate reading frame of the CDKN2A (cyclin dependent kinase inhibitor 2A) locus
The preservative in bacteriostatic water helps reduce this risk, making it a more suitable choice in these cases
The last row deserves emphasis because it applies to any research-chemical peptide: material sold outside clinical trials is not manufactured to pharmaceutical identity, purity, or sterility standards
Besides the acute phase gastrointestinal effects which may lead to up to 10% of people discontinuing the drugs, there are other potential GI side effects of obstruction, excessive loss of muscle mass, and potentially association with some eye disease adverse events
doi:10.1016/S0891-5849(96)00629-6 5
For sublingual use, methylcobalamin may offer advantages because it is absorbed directly into the bloodstream without requiring conversion