That has not been established
(2023) Extracellular vesicles in the treatment of oxidative stress injury: global research status and trends
Recommended investigations include: Full blood count with blood film examination Serum vitamin B12 level Serum folate (to exclude combined deficiency) Intrinsic factor antibodies Thyroid function tests (autoimmune association) Consider MMA and homocysteine if diagnosis uncertain and available Neurological examination should be performed in all patients, assessing for peripheral neuropathy, proprioception loss, and signs of subacute combined degeneration of the spinal cord
Reported research-planning ranges are derived from animal protocols and community usage
(Patients, though, will probably pay out of pocket, as the medications wont be FDA-approved and are unlikely to be covered by insurance.) This vertically integrated, frictionless, moneymaking process is a far cry from the backroom of a 20th-century drugstore, where a pharmacist mixed up bespoke concoctions for patients in need