Feature
Vitamin A
Calcium
Typical Dosage
700–900 mcg RAE daily (adults)
800-1000 mg daily
Best Form
Retinyl Palmitate
Calcium Citrate
Key Benefits
5
6
Evidence Rating
★★★★
★★★★
Best Time
With food containing fat for optimal absorption
With meals to enhance absorption; split doses are more effective
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
Calcium Benefits
✓Bone strength and density
✓Teeth health and enamel protection
✓Muscle contraction and function
✓Nerve signal transmission
✓Heart rhythm regulation
✓Blood clotting
Can You Take Both Together?
In most cases, Vitamin A and Calcium 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 Calcium if your primary goal is: bone strength and density. 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.