Your BPC-157 protocol is prepared by our licensed 503A compounding pharmacy partner
Historically, strategies to restore NAD+ focused on supplementing with NAD+ precursors (NMN, NR, NA)
Most common is the use of 2-deoxy-2-(18F) fluoro-D-glucose positron emission tomography (PET), which measures energy demand by trapping a non-metabolizable glucose analog that carries a PET label
and MK-677, a Merck drug that is not a peptide but that behaves just like the peptide GHRP-6

B12 has many functions in our body, so unfortunately a deficiency will give rise to a wide variety of symptoms, like brain fog, memory problems, cognitive impairment, insomnia, headaches, especially migraine, behavioural changes, learning problems, nominal aphasia, mood swings, irritability, depression, anxiety, hallucinations, delusions, psychosis, peripheral paraesthesia (pins and needles), numbness, neuropathic pains, poor balance, reduced vibration sense or proprioception (joint position sense), tinnitus, ataxia, taste impairment, sometimes myelopathy, fatigue, anaemia (either with larger red blood cells, or with normal size of the red blood cells when there is also iron deficiency), other reduction in blood cells, abdominal complaints, malabsorption, failure to thrive, weight loss, diarrhoea, hyperpigmentation, glossitis, (aphthous) stomatitis, infertility, urinary tract infections, joint and muscle pain, muscle weakness, spasticity, seizures, cardiomyopathy, urinary and/or faecal incontinence, postural hypotension/dizziness, erectile dysfunction, to name a few

& Molloy, A