Vitamin D is essential for bone health, immune function, and overall wellness. Many people are deficient without realizing it, especially those who live in northern climates or spend most of their time indoors.
Symptoms of Vitamin D Deficiency
- Fatigue and tiredness
- Bone and back pain
- Depression or mood changes
- Impaired wound healing
- Hair loss
- Muscle pain
- Frequent illness or infections
Who Is At Risk?
Certain groups are more likely to be vitamin D deficient:
- People with limited sun exposure
- Those with darker skin
- Individuals who are overweight or obese
- Older adults
- People with certain medical conditions
Testing Your Vitamin D Levels
A simple blood test can measure your 25-hydroxy vitamin D level. The test requires no fasting and results are typically available within 1-2 business days.
Understanding Your Results
- Deficient: Less than 20 ng/mL
- Insufficient: 20-30 ng/mL
- Sufficient: 30-100 ng/mL
- Optimal: Many experts recommend 40-60 ng/mL
Treating Deficiency
Treatment typically involves vitamin D supplementation combined with dietary changes and increased sun exposure when possible. Your healthcare provider can recommend the appropriate dosage based on your specific results.