Feature
Iron
Vitamin B12
Typical Dosage
8-18 mg daily for adults (varies by age and gender)
500-1,000mcg daily
Best Form
Ferrous sulphate
Methylcobalamin
Key Benefits
5
5
Evidence Rating
★★★★
★★★★
Best Time
Take on an empty stomach with vitamin C for enhanced absorption; separate from calcium and caffeine by 2+ hours
Morning — may be energising
Iron Benefits
✓Supports oxygen transport via haemoglobin
✓Enhances energy production and reduces fatigue
✓Improves cognitive function and concentration
✓Supports immune system function
✓Essential for healthy red blood cell formation
Vitamin B12 Benefits
✓Energy production
✓Nerve function and protection
✓Red blood cell formation
✓DNA synthesis
✓May reduce homocysteine levels
Can You Take Both Together?
In most cases, Iron and Vitamin B12 can be taken together safely. However, always check the interactions section of each supplement and consult a healthcare professional if you take medication.
Which Should You Choose?
Choose Iron if your primary goal is: supports oxygen transport via haemoglobin. Choose Vitamin B12 if your primary goal is: energy production. Many people take both as they target different aspects of health.
Disclaimer: This comparison is for educational purposes only. Always consult a healthcare professional before starting any supplement.