SP
StackPedia
All Supplements

Vitamin A vs Iodine

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

Vitamin A

vitamins

Full profile →

Iodine

minerals

Full profile →
Feature
Vitamin A
Iodine
Typical Dosage
700–900 mcg RAE daily (adults)
150 micrograms daily for adults
Best Form
Retinyl Palmitate
Potassium iodide
Key Benefits
5
5
Evidence Rating
★★★★
★★★★★
Best Time
With food containing fat for optimal absorption
With meals to enhance absorption

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

Iodine Benefits

Supports thyroid hormone production and function
Essential for cognitive development and brain health
Promotes healthy metabolic rate and energy levels
Supports reproductive health and foetal development
Aids immune system function and antioxidant defence

Can You Take Both Together?

In most cases, Vitamin A and Iodine 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 Iodine if your primary goal is: supports thyroid hormone production and function. 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.