Note: Individuals with a history of peptide hypersensitivity should consult a physician before use
I think it is cyano cobalamin rather than hydroxocobalamin (which is the form you will be getting your injections) so part of the difference could be down to the different forms as people do respond differently to different forms - there are also methyl and adenosyl forms (which are closer to the forms that the body uses at the cellular level so can be particularly useful if someone also has a problem processing B12 from one form to another)
Peptide Sciences In preclinical biochemical settings, inhibition of NNMT by compounds like 5-Amino-1MQ leads to alterations in intracellular NAD salvage pathways, shifts in methyl donor balance, and downstream metabolic signaling changes

Targeted Injection Cocktail Menu Immune Shots Immune Support B12 + Homeopathic Super Immune B12 + B-complex + Homeopathic Allergy Relief B12 + Homeopathic Pain Shots Musculoskeletal Pain B12 + Homeopathic Nerve Pain B12 + Homeopathic Arthritis Pain B12 + Homeopathic Zen Mood Shots Mood Lift B12 + B6 + B-complex Mega Mood B12 + B6 + B-complex + Folate Rest & Relax B12 + B6 Sound Sleep B12 + B6 + Homeopathic Energy Shots Energy B12 + B-complex Super Energy B12 + B-complex + Homeopathic Brainiac B12 + Homeopathic Digestive Shots Digestive Support B12 + Homeopathic Digestive Pain Relief B12 + Homeopathic Detox Shot B12 + MIC + Homeopathic Back to Balance Weight Loss B12 + B-complex + MIC Hormone Harmony B12 + B6 + Homeopathic Healthy Heart B12 + B-complex + Homeopathic Radiant Skin & Hair B12 + Homeopathic All shots can be purchased individually or as a series package
While some minor side effects like a bit of temporary soreness around the injection site can happen, its not very common
When any injection is given, there is also risk for infection