can b12 injections make you tired does a injection Feeling tired, foggy, or run-down? It could be Feeling worse after B12 Injection:

The effect of tripeptide-copper complex on human hair growth in vitro

The following groups of people are at a greater risk of developing a vitamin B12 deficiency: Vegans or vegetarians People 75+ years Having a digestive system disorder like Crohns or celiac disease Drinking excessive amounts of alcohol Having Sjgrens syndrome Taking certain medications like oral birth control or metformin Common symptoms of a vitamin deficiency include fatigue, numbness, poor balance, memory loss, and breathlessness

Its ability to influence gene expressionreportedly altering the activity of thousands of genesprovides a powerful model for investigating how cellular function can be modulated towards a regenerative state

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