vitamin b12 injection dosage for seniors Cyanocobalamin (B12) 1000 mcg/mL, Multiple Dose Vial 30 mL Vitamin B12 Injections: Ideal Dosage

For GLP-1 medications, clinical evidence shows that a significant proportion of patients do regain weight after stopping treatment, because the biological hunger signals that were being suppressed return

The average weight loss was approximately 15% of body weight, with many participants achieving even greater reductions

25 Castelli MC, Friedman K, Sherry J et al (2011) Comparing the efficacy and tolerability of a new daily oral vitamin B12 formulation and intermittent intramuscular vitamin B12 in normalizing low cobalamin levels: a randomized, open-label, parallel-group study

doi: 10.1007/s10072-006-0582-2 14

The 23G x 1.25 you have should be fine to use

Vitamin patches have been studied in people who have undergone bariatric surgery (weight loss surgery ) and were found to be ineffective in preventing nutritional deficiencies