In conclusion, vitamin B6 plays a crucial role in the nervous system, serving as a cofactor in reactions related to amino acid metabolism and the synthesis of neurotransmitters such as dopamine, serotonin, and GABA, as well as playing a significant part in the methylation of homocysteine (57, 58)
It varies, but many people feel more energetic within days
Possible reasons include the Washington State University patent holders not finding a pharmaceutical company willing to invest in development, the cancer biology concern with c-Met activation making development companies cautious, the preclinical effect sizes in rats not justifying the expense and risk of human trials, or other factors specific to drug development economics
Critical note: Shaking a peptide vial can denature the amino acid chains
I have filled in a form for my GP surgery, which will go through triage, so hopefully will get some blood tests and shine some light on whats going on