Symptoms of a vitamin deficiency include fatigue or tiredness, brittle nails and hair, bleeding gums, unexplained weight loss, dizziness, tingling or numbness in the hands and/or feet, muscle weakness, irregular heartbeat (heart arrhythmia), hair loss, the presence of red or white bumps on the skin, scaly or irritated skin, mouth ulcers, cracks in the corners of the mouth, and shortness of breath. If you experience any of these symptoms, it is advisable to consult with the team at Nexus HealthSpan for proper evaluation and guidance.