are b12 injections permanent How Long Does a Shot Last? Did I miss anything? Pernicious

Roux-en-Y gastric bypass surgery (RYGB) but not sleeve gastric bypass surgery or gastric banding, increases the risk of vitamin B 12 deficiency and requires preventive post-operative treatment with either injected or high-dose oral supplementation

A significant portion of the vitamin is lost before it ever reaches the bloodstream

Participants receiving 1 mg per day of AOD 9604 lost approximately 2.6 kg compared to 0.8 kg in the placebo group

While avoiding injections seems attractive, oral semaglutide requires daily dosing rather than weekly, must be taken on an empty stomach with specific timing restrictions, and demonstrates lower bioavailability than injectable forms