vitamin b12 injection needle size Dr. prescribed injections. Pharmacy only gave me vials. Where do you get your needles and syringes? What size?? Where do I inject? : r/B12_Deficiency best needle size for b12

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In typical dietary doses, B12 is absorbed at a rate of about 40-50%

Always consult with a healthcare professional before starting any new supplement or research product.

This approach maintains more consistent peptide levels throughout the day and may provide advantages for individuals using doses at the higher end of the range (450-500mcg daily)

People with Certain Medications: Long-term use of medications like proton pump inhibitors or metformin can interfere with B12 absorption, leading to a deficiency