b12 injections and chronic fatigue What You Need to Know About Vitamin Why do I feel worse
Description
Scientific Reports 11:6244
Useful indication Researchers are also recognising that elevated B12 may not be a cause of cancer, but it could be a useful marker of whether cancer is present or progressing
Does vitamin B12 have side effects
Years ago, I started taking a vitamin B12 supplement
Tuna Another popular, nutrient-rich fish is tuna, which can also add lots of B12 to your diet
