What Is Vitamin D?
Vitamin D is a vital nutrient that helps your body absorb calcium and phosphorus—key minerals for strong bones and teeth. It also supports your immune system, muscles, and even your mood.
You get vitamin D through sunlight, certain foods (like fatty fish, eggs, and fortified dairy), and supplements. But many people don’t get enough—especially during winter or if they spend most of their time indoors.
Signs of Vitamin D Deficiency
Low vitamin D can show up in different ways:
- Constant tiredness or low energy
- Muscle weakness or cramps
- Bone pain (often in the back or legs)
- Mood changes like feeling down or anxious
If these symptoms sound familiar, it’s worth checking your vitamin D levels with a simple blood test.
Why It’s Important
- Helps keep bones strong and lowers the risk of fractures
- Supports muscles, reducing the chance of falls in older adults
- Boosts your immune system to fight off infections
- May improve mood and reduce the risk of depression
- Plays a role in heart health by regulating blood pressure
How to Improve Your Vitamin D Levels
- Get 15–30 minutes of sunlight several times a week
- Eat foods like salmon, sardines, eggs, and fortified milk
- Consider taking a vitamin D supplement—ask your doctor for the right dose
Final Thoughts
Vitamin D is easy to overlook but essential for staying healthy. If you’re feeling tired, achy, or low, a simple test and a few changes might make a big difference.