vitamin b12 injections nz Prolaject™ 1000 Plus Selenium B12 Injection Kit - Etsy
Description
In patients who have had gastric bypass surgery, most of the stomach is bypassed, limiting the breakdown of vitamin B12 and its absorption.

doi: 10.3390/nu8020068

They track their units and milligrams precisely
The response is cumulative, building across the 4 doses and continuing into the weeks after the final injection

Injections and oral supplements can address a deficiency, but you can also adjust your diet to add B12-rich foods

Inspect the injection site to ensure it is clear of bruising, swelling, irritation or hardness