Some therapies, like NAD+, peptides, and certain injectables, do require a consultation and, in certain cases, lab work to make sure treatment is safe and appropriate
The Basic Properties of B12 and Uses in Health Vitamin B12, also known as cobalamin, is a water-soluble vitamin essential for nerve function, red blood cell production, and DNA synthesis
doi: 10.1073/pnas.0700481104
This means injections are needed only once or twice a week rather than daily
The figure shows a methylation reaction catalyzed by a methyltransferase (shown as "X" converted to "methyl-X"), in which SAM donates a methyl group and is converted to S-adenosylhomocysteine (SAH)
IL-10 is an anti-inflammatory cytokine that negatively regulates the immune response, reduces inflammation, and protects against neuroinflammatory processes associated with neurodegenerative diseases (reviewed in: 38 )