Elevated methylmalonic acid or homocysteine with normal-ish b12 suggests functional deficiency requiring supplementation
B12 deficiency can result from dietary factors such as a lack of animal products or from conditions affecting absorption like pernicious anaemia or gastrointestinal surgery
Parry Strong A, Haeusler S, Weatherall M, Krebs J (2016) Sublingual vitamin B12 compared to intramuscular injection in patients with type 2 diabetes treated with metformin: a randomized trial
That is why each weight loss clinic may follow a different protocol for the scheduling of lipotropic injections
I wish you didnt have to include them
You are injecting a liquid thats going to disperse into the muscle and sit there for a while, so there may be a little bit of soreness related to that. Other common side effects include diarrhea, headache, and swelling (and not only at the site of the injection)