At first, I blamed the weather.
Then I blamed my soap.
No matter how much lotion I used, my skin stayed dry and flaky.
A few weeks later, I mentioned it during a routine checkup.
My doctor asked,
“Have you ever had your vitamin D level checked?”
I hadn’t.
He explained that while dry skin has many possible causes, low vitamin D is one of several things doctors may consider—especially when it’s accompanied by other symptoms.
That conversation made me realize vitamin D does much more than support bone health.
Why Vitamin D Is So Important
Vitamin D helps your body absorb calcium, supports healthy bones and muscles, contributes to normal immune function, and plays a role in many important processes throughout the body.
Many people maintain healthy levels through sunlight, diet, and, when appropriate, supplements. However, some older adults and people who spend little time outdoors may have lower levels than they realize.
7 Signs You May Want to Discuss With Your Doctor
1. Constant Fatigue
Feeling tired from time to time is normal, but ongoing fatigue can have many causes—including low vitamin D. A simple blood test can help determine whether your levels are within the recommended range.
2. Muscle Weakness
Vitamin D helps support normal muscle function. If climbing stairs, getting out of a chair, or carrying groceries has become more difficult than usual, it’s worth mentioning to your healthcare provider.
3. Bone or Back Pain
Persistent aches in the bones or lower back may have many possible explanations. Vitamin D deficiency is one factor your doctor may evaluate.
4. Frequent Illness
Vitamin D supports normal immune function. If you seem to catch every seasonal bug, your healthcare provider may consider checking your vitamin D status as part of a broader evaluation.
5. Slow Recovery After Minor Injuries
Healing depends on many factors, including nutrition. Getting enough vitamin D is one piece of supporting overall health.
6. Feeling Low or Less Motivated
Mood changes can happen for many reasons. Some research has explored a relationship between low vitamin D levels and mood, but many other factors may also contribute.
7. Very Dry or Flaky Skin
Dry skin is extremely common and often related to weather, aging, skin conditions, or dehydration. However, when it occurs alongside other symptoms, your doctor may decide it’s appropriate to check your vitamin D level.
Foods That Naturally Provide Vitamin D
While sunlight helps the body produce vitamin D, certain foods can also contribute to your daily intake.
Baked Salmon With Herb Vegetables
Ingredients
- 1 salmon fillet
- 1 cup broccoli florets
- 1 cup sliced zucchini
- 1 tablespoon olive oil
- 1 teaspoon dried herbs
- Black pepper
- Lemon wedges for serving
How to Prepare
Preheat your oven to 400°F (200°C).
Place the salmon, broccoli, and zucchini on a baking tray. Drizzle with olive oil, sprinkle with the herbs and black pepper, and bake for 15–18 minutes, or until the salmon flakes easily with a fork and the vegetables are tender.
Serve with fresh lemon wedges for a simple, nourishing meal.
Everyday Habits That Help Maintain Healthy Vitamin D Levels
- Spend a little time outdoors when it’s safe and appropriate.
- Include vitamin D-rich foods like fatty fish, fortified dairy products, and eggs.
- Stay physically active to support muscle and bone health.
- Eat a balanced diet with plenty of protein, fruits, and vegetables.
- Ask your healthcare provider whether a vitamin D blood test is appropriate for you before starting supplements.
One Final Thought
Dry skin alone doesn’t necessarily mean you’re low in vitamin D, and neither do any of the other signs on this list.
But if several of these symptoms sound familiar, it’s worth bringing them up with your healthcare provider. A simple conversation—and, if needed, a simple blood test—can help determine whether your vitamin D levels are where they should be and whether any changes to your diet or supplement routine are appropriate.