5 Signs You’re Lacking in Vitamin D and How to Get More To Boost Your Immunity

Vitamin D is often called the “sunshine vitamin” for good reason — it plays a crucial role in keeping your bones strong, your mood stable, and your immune system resilient. Yet, many people unknowingly fall short. Here are five common signs you might be deficient in vitamin D, plus simple ways to boost your levels and strengthen your immunity.

1. Frequent Illness or Infections. Vitamin D helps activate immune defenses. If you’re catching colds or infections more often than usual, low vitamin D could be to blame.

A tablet with the inscription Vitamin D on a spoon

2. Fatigue and Low Energy. Feeling unusually tired, even with enough sleep? Vitamin D deficiency has been linked to chronic fatigue and sluggishness. 3. Bone and Back Pain. Vitamin D aids calcium absorption, which is vital for bone health. Achy bones or lower back pain may signal a deficiency.

4. Depressed Mood. Low vitamin D levels have been associated with mood disorders like depression, especially during darker winter months when sun exposure is limited.

Vacation, holiday, sun and vitamin D intake. Heath care concept. A canvas on an easel with sun and letter D symbols on the sands of a beach.

5. Slow Wound Healing. If cuts or scrapes are healing more slowly, your body may lack the vitamin D needed to regulate inflammation and tissue repair.

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