Are Vitamin B12 injections safe
In contrast, a B12 injection (typically administered into a muscle, known as an intramuscular injection) bypasses the entire digestive system
Moreno-Jimenez, E
It beats oral supplements hands down, delivering 100% absorption while pills only manage about 1.3% of a 1,000 mcg dose due to digestive hurdles
What you eat, how much you exercise, your body size and your overall health can all make a difference
If you are suffering from extreme fatigue, lethargy, muscle weakness, pins and needles, mouth sores, or cognitive problems including irritability, depression, or lapses in memory, it may be a sign that you are deficient in Vitamin B12 and could benefit from regular supplementation with Vitamin B12 booster injections