Bacteriostatic Water is sterile water with 0.9% benzyl alcohol, a preservative that prevents bacteria from growing
Personally, I had 19 symptoms not counting the lab tests, most of them previously unexplained that matched with those of a Vitamin B12 deficiency
We need to know if you are taking or have taken any of the following: Oral contraceptives Metformin H2 receptor antagonists Antibiotics Aspirin Proton pump inhibitors Allergies and Medical Conditions When considering your candidacy for this life-changing treatment, we must also consider allergies and certain medical conditions

According to British Society for Haematology (BSH) guidelines and NICE Clinical Knowledge Summaries (CKS), the primary beneficiaries include: Key patient groups who may require B12 injections include: Pernicious anaemia patients requiring lifelong hydroxocobalamin 1mg intramuscularly every 23 months following initial loading doses Patients with gastrointestinal disorders including those who have undergone gastrectomy or ileal resection, and patients with conditions affecting B12 absorption such as Crohn's disease or coeliac disease Strict vegans and vegetarians though oral supplementation is usually sufficient unless malabsorption is present Elderly patients who may have reduced gastric acid production affecting B12 absorption Patients taking certain medications including metformin (MHRA advises monitoring B12 levels in long-term users, particularly those with risk factors or symptoms), proton pump inhibitors, and H2-receptor antagonists long-term [6] Individuals with neurological symptoms such as paraesthesia, ataxia, or cognitive impairment related to B12 deficiency Pregnant women with confirmed deficiency (hydroxocobalamin for malabsorption

Purple toe syndrome is thought to be due to small emboli (blood clots) in the blood vessels which cause a bluish-purple color in the toes and feet
Similar to standalone Vitamin B12 (Cyanocobalamin) injections, they are commonly used in weight loss programs and may help boost liver function and fat breakdown