If your levels of B12 are low, you are at risk for developing anemia (or low red blood cell count)
The frequency and duration of these injections can vary, with an initial phase involving more frequent administration which is then tailored to the individuals needs based on the improvement of symptoms and B12 levels
human research : Most research has been conducted in rodents and small mammals, so it is not yet clear how these findings may translate to humans

Daily 3 Capsules CoQ10 Cellular Energy Production* Supports Cardiovascular Health Boosts Antioxidant Activity Promotes Neurological Health Maintains Healthy Blood Sugar Balance Enhanced Cellular Energy and Physical Performance Active Ingredients: Coenzyme Q10 Other Ingredients: Microcrystalline Cellulose, Magnesium Stearate, Silicon Dioxide, Vegetable Capsule (Hypromellose) Take 1 capsule daily or as directed by your healthcare provider Daily 1 Capsule DEFEND Foundational Combination of Vitamins A, D, & K2* Supports Healthy Calcium Deposition in Bones & Teeth Promotes Broad Immune System Activation Supports Healthy Levels of Oxidation within Blood Vessels Aids in the Metabolism of Lipids Active Ingredients: Vitamin A, Vitamin D, Vitamin E, Vitamin K2 MK-7, AstraGin (Astragalus membranaceus and Panax notoginseng) Root Extracts Other Ingredients: Nuflow, Vegetable Capsule (Hypromellose) Take 1 capsule daily or as directed by your healthcare practitioner