Vitamin D Deficiency Can Affect Bone Health

June 1, 2026
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A Key Nutrient For Women’s Health

Vitamin D plays an important role in maintaining strong bones, but some women may not be getting enough of it.

Although many people associate Vitamin D with sunlight, going outside is not always enough to correct a deficiency, especially when other health and lifestyle factors are involved.

Sunlight Is Not Always Enough

Spending time in the sun can help the body produce Vitamin D, but it is not a complete solution for everyone.

Mercy Medical Center physician assistant Jaelyn Heyliger said sunlight exposure also carries a skin cancer risk. She added that people with darker skin tones do not absorb Vitamin D from sunlight as efficiently.

Bone Health Is A Bigger Concern For Women

Vitamin D is especially important because it supports bone health, an area where women face higher risks.

Women are four times more likely than men to develop osteoporosis, a condition that weakens bones and increases the risk of fractures.

Menopause Can Lower Bone Density

Heyliger said menopause can also reduce bone mineral density, making it even more important for women to understand their Vitamin D levels.

Because every patient’s situation is different, she recommended checking levels with a doctor before deciding how much Vitamin D to take.

Supplement Needs Can Vary

Vitamin D dosing depends on whether someone is truly deficient, slightly low or already getting some exposure through work or daily activity.

Heyliger explained that some patients with confirmed deficiency may be prescribed 50,000 units weekly, while others may only need a lower dose. She said there is no one-size-fits-all recommendation.

Testing Can Confirm Deficiency

Vitamin D deficiency can be difficult to diagnose based on symptoms alone.

Testing can confirm whether levels are low. Some people with deficiency may experience fatigue, muscle aches, weakness or bone pain, although symptoms can vary.

Daily Intake Should Be Guided Carefully

Heyliger said a healthy daily amount of Vitamin D may be similar to what is included in a standard multivitamin.

For people taking a separate Vitamin D supplement, she recommended checking with a doctor to make sure the dose is appropriate and beneficial for their specific needs.

Medical Guidance Matters

Vitamin D is essential, but taking too much or too little may not address the real issue.

Women concerned about bone health, menopause, osteoporosis risk or possible deficiency should speak with a healthcare provider and consider testing before starting a high-dose supplement routine.

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