Certain medications such as Metformin, H2-receptor antagonists including Zantac (Ranitidine), Tagamet(Cimetedine), Famotidine, Pepcid AC (Oral Pepcid), Axid AR (Nizatidine), Proton pump inhibitors (PPIs)including Prilosec (Omeprazole), Nexium (Esomeprazole), Prevacid (Lanzoprazole) and Antacids e.g:Gaviscon can also affect your ability to absorb vitamin B12
It is studied for potential roles in tissue repair, inflammation regulation, and gastrointestinal protection, but remains an investigational compound without approved medical use
Goritz, C
For instance, a thicker 25G gauge may offer faster B12 delivery but could result in more discomfort
Regulatory perspective : The MHRA has not approved HCG for weight loss, and NICE does not recommend it