can you purchase b12 injections CYANOCOBALAMIN Vitamin Injectable Solution for Horses, 5000-mcg, 100-mL - Easy Refills metabolism of fat and carbohydrates Vitamin B-12 Injection, 3,000 mcg/mL

Low-quality products can have additives or contaminants such as heavy metals, which can cause a metallic taste, according to ConsumerLab.com

For DNA to be replicated for new cells, both folate and vitamin B12 can be limiting factors

You can certainly combine the shots in the same syringe, but I do not recommend it (unless you are an expert), because if you get an air bubble in the syringe, as you extract the liquid from the vial, you will need to slowly return the liquid into the vial and re-extract it again till theres no bubbles

No, there is no strong evidence that vitamin B12 causes insomnia when taken at night