Some especially good sources of vitamin B12 include: Liver: 3 oz
This is a condition where insufficient amounts of vitamin B12 are absorbed into your body from the food you eat
When B12 levels are low, the signs can be varied: Anemia: fatigue, weakness, pale skin, and dizziness Fatigue: a deep-seated weariness that doesn't improve with rest Nerve Damage: tingling or numbness in hands and feet, balance problems, and memory loss (seek medical advice promptly) Mood Disturbances: depression, irritability, and personality changes Who Is Most at Risk for B12 Deficiency
While it has not received FDA approval for therapeutic use, it is available for research purposes and is used in metabolic optimization protocols
The usual concentration of B12 injections is 1,000 mcg per mL