What causes low vitamin D levels?
While the search results provided focus on vitamin B12 deficiency rather than vitamin D, there are some general factors that can contribute to low vitamin D levels in people with lupus.
Common causes of low vitamin D include:
* Limited sun exposure - Your skin makes vitamin D when exposed to Show Full Answer
What causes low vitamin D levels?
While the search results provided focus on vitamin B12 deficiency rather than vitamin D, there are some general factors that can contribute to low vitamin D levels in people with lupus.
Common causes of low vitamin D include:
* Limited sun exposure - Your skin makes vitamin D when exposed to sunlight, but many people with lupus are advised to avoid sun exposure due to photosensitivity
* Certain medications - Some drugs used to treat lupus and related conditions can affect vitamin D levels
* Kidney problems - Lupus nephritis can affect how your body processes vitamin D
* Digestive issues - Inflammation in your digestive system can make it harder to absorb vitamin D from food
* Diet - Not getting enough vitamin D from foods like fatty fish, fortified dairy products, or egg yolks
A MyLupusTeam member mentioned being diagnosed with both vitamin B12 and vitamin D deficiency, noting they felt "more drained than usual."
If you're concerned about low vitamin D, talk with your healthcare provider. They can check your levels with a blood test and recommend appropriate supplementation if needed.
AI-generated responses are not a substitute for medical advice. These services are not intended to
diagnose, treat, or cure any condition or disease. Always ask your doctor about specific health concerns.
What To Know About Lupus and Vitamin B12 Deficiency
December 16, 2025
About 15-20 years ago, it was discovered that many of us have low vitamin D levels, and the AI answer is accurate about the causes. Most of us require a supplement of around 2000 IU daily, but you should talk to your doctor about the right dose for you, Tammy.
December 17, 2025