best sites for b12 injections injection places Vitamin B12 Injection Sites: Where to Inject B12 · PA Relief What is the best injection

Nevertheless, in cases of severe deficiency with neurological sequelae, we suggest that IM B12 is used in the first instance to replenish body stores with the treatment regimen, including dosage and formulation, optimised to keep the patient free of symptoms and tailored to the metabolic response of not only plasma B12 levels, but also confirmatory testing of homocysteine, methionine, and methylmalonic acid levels

60 , 61 Vitamin B 12 deficiency may induce macrocytosis, peripheral neuropathy, ataxia, dizziness, cognitive disturbances, depression, delirium, psychosis, paralysis, muscle cramps, fibromyalgia-like symptoms, and fatigue

Older adults: Potentially up to 43% of older adults may be deficient in B12, depending on the definition used - that's due to not having enough IF to aid absorption

Q: Can I combine B12 with other wellness services

Last reviewed: May 25, 2026 Last updated: May 25, 2026 Written by: Jay Hastings, CEO of PlexusDx Jay Hastings is the CEO of PlexusDx, a precision health company focused on genetic testing, blood biomarker insights, and personalized wellness recommendations

The Process for Getting Vitamin B12 Injections Getting a B12 injection is a straightforward medical procedure