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Neurological Function : B12 helps maintain the myelin sheath that protects nerves and enables proper signalling between brain and body

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Homocysteine and depression in later life

Common Deficiency Symptoms Common symptoms of Vitamin B12 deficiency include: Fatigue Weakness Pale skin Shortness Mouth Issues: Sore, red tongue, mouth ulcers, bleeding gums Gastrointestinal: Loss of appetite, weight loss, nausea, diarrhea, constipation Nerve issues like numbness/tingling Mood changes (depression, irritability) Memory problems Key Differences: NAD+ vs B12 NAD+ and B12 both boost energy, but NAD+ acts as a deep cellular, anti-aging repair agent, while B12 provides immediate metabolic energy and red blood cell support

Early detection and treatment are crucial to prevent long-term complications

Some athletes or individuals report feeling an overall wellness boost. On the other hand, if your levels were already sufficient, you may not perceive a difference in how you feel (since the body generally doesnt utilize excess beyond its needs)