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The body does not make its own B12
That often includes: Older adults who naturally absorb less B12 from food Vegans and vegetarians who dont eat enough B12-rich foods People with stomach or gut issues (like Crohns or coeliac disease) Those on long-term medication that affects absorption Busy people who feel drained all the time and cant explain why If you fall into one of these groups, injections might be worth considering
We'll cover the math for different dosing schedules, optimal reconstitution strategies to prevent waste, storage requirements for maximum stability, and how to align your supply with recommended cycle protocols
How to draw your dose with an insulin syringe This is where most mistakes happen