does b12 injections make you gain weight How Can Be Used to Support Your Loss Journey Vitamin B12 Injections: Good or

At 2.4 mg, you are only injecting 0.48 mL, roughly half what you would inject with the 2.5 mg/mL concentration

Corley DA

A 2025 European Journal of Clinical Nutrition commentary on the NICE guideline argued that the diagnostic threshold and clinical awareness still need to be tightened further, especially around pernicious anaemia, which is still under-recognised in primary care

If you have an MTHFR polymorphism, enzymatic reactions can slow down by 40-70%

Through your first month, your provider tracks how you respond, may repeat labs to see the effect on relevant markers, and adjusts the plan based on real data

Additionally, theres currently no established upper limit for vitamin B12 due to its low risk of toxicity