Vitamin D
Fat-Soluble
Crucial for bone health and calcium absorption.
Key Benefits
- Bone Health
- Calcium Absorption
- Immune Function
- Muscle Function
- Cell Growth
Food Sources
Sunlight
Fatty Fish
Egg Yolks
Fortified Milk
Mushrooms
Recommended Daily Intake (RDA)
600-800 IU/day (15-20 mcg)
Adult guideline — your needs may differ. Ask a clinician for personal advice.
Deficiency Symptoms
Rickets (children), osteomalacia (adults), weak bones
See a healthcare professional if you have concerns.
Toxicity & Safety
Hypercalcemia, kidney stones (from excessive supplements)
Follow label directions; avoid high-dose supplements without medical advice.