do you need b12 injections after gastric sleeve bariatric surgery patients regular injections? B12 Deficiency After Gastric Sleeve:

Comparing Speed, Absorption, and Daily Usage Absorption speed is the key difference between Vitamin B12 injection vs oral

Getting your injections from a qualified professional is essential for both safety and effectiveness

A pharmacist or health practitioner is authorized to administer the first dose of the B12 injections in Ontario, for the purpose of education and demonstration

Cell Host Microbe 8 , 422432 (2010)

The fact that you've taken iron supplements will obviously affect any blood test that measure iron but...it the effect depends on how much you've taken and for how long

Cyanocobalamin Dosage : Oral supplements : Standard doses range from 5001,000 mcg daily for general supplementation