Unlike oral supplements, an injection delivers vitamin B12 directly into the body without relying on digestive absorption which can be reduced by age, certain medications such as proton pump inhibitors or metformin, or gastrointestinal conditions
Some fermented foods and algae contain B12 analogues, but these are generally not bioavailable to humans and should not be relied upon to meet requirements
0.01% w/v sodium citrate 0.008% w/v, and benzyl alcohol 1.0% v/v (preservative).
Follow these best practices: Use only licensed pharmacies with visible provincial or national certifications
Patients with pernicious anaemia may therefore experience joint symptoms related to concurrent autoimmune conditions rather than the B12 deficiency itself
Contributions by the brain renin-angiotensin system to memory, cognition, and alzheimers disease