Third-party HPLC (high-performance liquid chromatography) testing and mass spectrometry verification confirm that what is in the vial matches what the label says
It is an 83-amino-acid peptide bearing an arginine substitution at position 3 and a 13-amino-acid extension at the N-terminus
Takahashi, I., Matsuzaki, T., Kuroki, H
Quaternary structure: how multiple chains interact in a multi-subunit protein
Because of this, Asians as a whole tend to exhibit lower rates of alcohol use and AUD, and those who have both, experience extreme acetaldehyde toxicity
Definitely feel a difference in my energy levels however I find I need to take more than twice a week