Yes, the dose and how often B12 shots are given can change
Do not chew, crush, or swallow whole
If you've been consistent with daily dosing, proper reconstitution, and refrigerated storage, and still see zero change at 16 weeks, the issue is likely absorption or individual receptor sensitivity rather than insufficient dose
In these cases, B12 injections can be a medically necessary and effective treatment to restore your energy and overall health
Here are the deets on deficiency plus some delish B12-rich foods to add to your diet
The most common deficiencies caused by Roux en Y gastric bypass malabsorption are that of iron, vitamin B12, folate, calcium and vitamin D