are vitamin b12 injections better than tablets Injections: Good or Bad? what is better b12 injections

However, when very high oral doses are taken, approximately 1% can be absorbed through passive diffusion, independent of intrinsic factor, which explains how mega-doses can still raise serum levels

Certain groups are more prone to B12 deficiency, including older adults, individuals with gastrointestinal conditions (such as Crohns disease or celiac disease), those who have undergone gastric surgery, or people with dietary restrictions

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Conclusion: Optimizing Your B12 Replacement Therapy Understanding the right dose of Vitamin B12 is key to effective therapy