The signs and symptoms of B12 deficiency that indicate you may benefit from vitamin B12 injections include: chronic fatigue, lethargy and weakness Muscle aches, joint pain and trouble exercising Poor memory, inability to concentrate and other cognitive problems associated with aging Mood changes, like increased depression and anxiety, or signs of nervousness like rapid heartbeats/palpitations Poor dental health, including bleeding gums and mouth sores Shortness of breath and feeling dizzy Poor appetite or digestive problems, like constipation, nausea, diarrhea or cramping Sometimes greater risk for problems like cardiovascular complications or even cancer (due to a rise in homocysteine levels) Why might you be low in vitamin B12, even if you eat a relatively healthy diet
However, theres a chance that extremely high doses may lead to rare side effects, like headaches or dizziness
Third, the compound has shown a favorable safety profile in preclinical studies
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REFERENCES 1.World Health Organization
The compounds effects on NAD+ metabolism may have implications for muscle biology given the importance of NAD+-dependent enzymes in muscle function
