SP
StackPedia
All Supplements

Vitamin A vs Iron

Side-by-side comparison — benefits, dosage, forms, and research.

Vitamin A

vitamins

Full profile →

Iron

minerals

Full profile →
Feature
Vitamin A
Iron
Typical Dosage
700–900 mcg RAE daily (adults)
8-18 mg daily for adults (varies by age and gender)
Best Form
Retinyl Palmitate
Ferrous sulphate
Key Benefits
5
5
Evidence Rating
★★★★
★★★★
Best Time
With food containing fat for optimal absorption
Take on an empty stomach with vitamin C for enhanced absorption; separate from calcium and caffeine by 2+ hours

Vitamin A Benefits

Supports healthy vision and prevents night blindness
Enhances immune system function and disease resistance
Promotes skin health and reduces acne
Supports bone health and calcium absorption
Protects against age-related macular degeneration

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

Can You Take Both Together?

In most cases, Vitamin A and Iron 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 Vitamin A if your primary goal is: supports healthy vision and prevents night blindness. Choose Iron if your primary goal is: supports oxygen transport via haemoglobin. 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.