Wednesday

Nourishing from the Inside: Food Sources of Vitamin D

While sunshine is the most well-known source of vitamin D, many people with autoimmune disease — especially those with fatigue, or sun sensitivity—may struggle to get enough through sunlight alone. Thankfully, certain foods can help bridge the gap.

Here are some naturally rich and fortified sources of vitamin D:

FoodType of Vitamin DApproximate Amount per Serving
Salmon (wild-caught, cooked)D3600–1000 IU per 100g
Sardines (canned in oil)D3270 IU per 100g
Cod liver oilD3~450 IU per teaspoon
Egg yolksD3~40 IU per yolk
Mushrooms (UV-exposed)D2400–500 IU per 100g
Fortified plant milks (almond, oat, soy)D2 or D3100–150 IU per cup
Fortified cerealsD2 or D340–100 IU per serving

Tips for absorption:

  • Vitamin D is fat-soluble, so pair it with healthy fats (like avocado, olive oil, or nuts) to boost uptake.

  • If you’re vegetarian or vegan, UV-exposed mushrooms and fortified plant-based products are especially helpful.

Note for Australians: Even in sunny places like Sydney, vitamin D deficiency is common—especially in winter, or for those with autoimmune conditions. Food sources can offer gentle, consistent support alongside supplementation.

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