Signs You May Have a B12 Deficiency B12 deficiency can cause a variety of symptoms, including fatigue, headaches, depression, pale or yellow skin, mental impairment, and pain and inflammation of the mouth and tongue
How long do vitamin injections take to work
However, it is generally used in cycled protocols (e.g., 8-16 weeks) rather than continuous long-term therapy
After this initial phase, your provider may recommend maintenance injections every month or every few months, depending on your ongoing needs
Because vitamin B12 is water-soluble, excesses will simply leave the body in urine
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