Why B12 Shots are Better than Oral Supplements While oral B12 supplements can work for many people, there are several reasons why B12 methylcobalamin injections might be a superior choice for others
While not acutely dangerous, its not advisable without medical supervision
Hemoglobin formation inside the red blood cells is supported by Vitamin b12
On a standard U-100 insulin syringe, 10 units equals 500mcg, and 5 units equals 250mcg
Using this serum vitamin B 12 cut-off alone, the prevalence of vitamin B 12 deficiency is estimated to be in the range of 5% to 15%.3 4 5 6 However, when higher serum vitamin B 12 cut-off at 258 pmol/L (350 pg/mL) or using elevated serum homocysteine or MMA level in addition to a low or low-to-normal serum vitamin B 12 level to diagnose vitamin B 12 deficiency, the prevalence of deficiency increases to 40.5%.1 3 Also, the prevalence of vitamin B 12 deficiency appears to increase with age among the elderly population.4 5 Furthermore, reports have indicated that institutionalised elderly with multiple co-morbidities and with increasing dependency are more prone to vitamin B 12 deficiency than non-institutionalised (free-living) elderly