Its estimated that between 1.5 and 15% of people have a vitamin B12 deficiency, and many of them dont even realize it
Commercial tirzepatide products (Mounjaro, Zepbound) use even higher concentrations in their pre-filled injection pens
Concentration = vial mcg / water mL Dose volume = target dose mcg / concentration U-100 units = dose volume mL x 100 Semaglutide 5 mg vial with 2 mL example A 5 mg semaglutide vial mixed with 2 mL gives a concentration of 2.5 mg/mL, or 2,500 mcg/mL
Why get a B12 injection instead of just taking an oral supplement
While RCTs remain the gold standard for intervention assessment, observational studies provide complementary evidence, especially when using objective biomarkers such as serum Vitamin B12, MMA, and homocysteine
I have been SI for about 5 years now, firstly subcut and then IM and have never felt nauseous or been sick