Spend more time outdoors
We should spend time in the sun every day and no more than 30 minutes. The benefits of sunlight include boosting vitamin D, improving mood...
Spending too much time in the sun can interfere with some arthritis medications and increase the risk of skin cancer. At the same time, we need to wear sunscreen every day to maintain healthy and safe vitamin D levels.
You can also sit next to an open window to help promote vitamin D production.
Eat more fish
Focus on fish that are high in vitamin D. 100 grams of wild-caught salmon contains up to 988 IU of vitamin D. 100 grams of sardines will contain about 177 IU of vitamin D.
We can eat raw fish as sushi or sashimi because it has more vitamin D than cooked fish.
Add more foods rich in vitamin D
You can also focus on foods rich in vitamin D such as mushrooms, plant milk (soy, almond, oat), cereals, eggs...