Vitamin injections are a very quick and efficient method of addressing deficiencies as they provide a more uniform absorption of the Vitamin. Some vitamins are very difficult to get through diet, and supplements are not always readily absorbed by the body. Having an injection means that the vitamin is delivered straight into the blood stream.
Amongst many others, Vitamin B12 can help to:
B12 is also recommended for those following a vegetarian or vegan diet. B12 injections are the most effective when taken at regular intervals. Recommend once weekly for 4 weeks, followed by monthly maintenance. This will vary from person to person.