This deficiency is primarily associated with food-bound malabsorption and a diet lacking in vitamin B-12, which is found mainly in meat, eggs, and milk
If youre low, youll likely feel sluggish or foggy
Whether youre a supplement enthusiast or simply curious about the B12 vitamin, understand how to stay safe while reaping the benefits of this vital vitamin
they're unregulated, potentially impure, and lack dosage precision, posing health risks like bacterial contamination or heavy metals.[44][45][46] Unregulated online sources amplify dangers with potential counterfeits, unknown additives, or legal violations, as they're not FDA-approved and may lead to adverse effects or inefficacy.[47][48][49] Prioritize compounding pharmacies for reliable, compliant options
see Vitamin B12 Health Professional Fact Sheet