This is especially relevant if you: follow a restrictive diet, like a vegan diet are over the age of 60 are pregnant or nursing have a medical condition that can deplete B12 levels take a B12-depleting medication, like metformin or proton pump inhibitors In addition to learning about your symptoms and giving you a physical exam, a healthcare professional can rule out a B12 deficiency by ordering various blood tests( If youre diagnosed with too low B12 levels, your healthcare professional will recommend the most appropriate treatment
However, the safety of a medication for a specific person should be assessed by a licensed healthcare provider
Takes a bit to feel the effects So far, so good
Patients B12 shot response times can vary depending on your baseline B12 levels and overall health
Vitamin B12 for Athletes: Dosing and Evidence (2026): The Short Answer Vitamin B12 (cobalamin) is essential for red blood cell production, oxygen delivery, and nerve function, all of which directly affect endurance performance
