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Back to Vitamins & Minerals
B12

Vitamin B12

Water-Soluble

Essential for nerve function, red blood cells, and DNA synthesis.

Key Benefits

  • Nerve Function
  • Red Blood Cell Formation
  • DNA Synthesis
  • Energy Production
  • Brain Health

Food Sources

Meat
Fish
Dairy
Eggs
Fortified Foods
Nutritional Yeast

Recommended Daily Intake (RDA)

2.4 mcg/day (adults)

Based on adult requirements. Consult healthcare provider for personalized recommendations.

Deficiency Symptoms

Anemia, nerve damage, fatigue, memory problems, depression

If you experience these symptoms, consult with a healthcare professional.

Toxicity & Safety

Rare (water-soluble, excess excreted)

Always follow recommended dosages and consult healthcare providers before taking supplements.

Related Nutrients

B9
Folate (Vitamin B9)
Fe
Iron

Medical Disclaimer

This information is for educational purposes only and is not intended to replace professional medical advice, diagnosis, or treatment.

Always seek the advice of your physician, registered dietitian, or other qualified health provider with any questions you may have regarding nutrition, supplements, or a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this website.

Individual nutrient needs vary based on age, gender, health conditions, medications, and other factors. Consult with healthcare professionals for personalized nutrition guidance.