Symptoms of B12 Deficiency The symptoms of vitamin B12 deficiency can range from mild to severe and may include: - Fatigue and weakness - Anemia - Nerve problems like numbness and tingling - Balance issues - Cognitive difficulties, such as memory loss or difficulty thinking clearly - Mood changes, including depression - Skin problems, such as jaundice (yellowing of the skin) or a sore tongue Recognizing these symptoms early can lead you to consider B12 supplementation, but which form is the best for you
Subcutaneous injection No
The recognised reasons above, particularly the shift in potassium and the body adjusting to corrected levels, explain the symptoms without needing a detox theory
Parenteral administration ensures rapid absorption and effectiveness, especially in cases of deficiency or impaired oral absorption
Youll need to see your GP to talk through your symptoms, and if they suspect a deficiency, theyll arrange a blood test