Vitamin D3 is one of the most effective supplements in general. It also helps in psoriasis as it attenuates the inflammation and improves the immune functions.
The upper daily safe dose that can be taken long-term is 10 000 IU of D3. Many people take even more but the more important is to take D3 consistently for a few weeks or months till you see and feel the results.
It is also very important to take vitamin K supplement because vitamin D increases the absorption of calcium and vitamin K is what builds that calcium into the bones and teeth. Otherwise that calcium would flow throughout the body and could make a sediments in the soft tissues like skin, muscles, tendons, blood vessels,…
1. Healthy Origins, Vitamin D3, 10,000 IU, 360 Softgels