I am 52 years old and suffer from eczema, which is an auto-immune disease. I've been taking a daily 5000IU Vit-D supplement combined with vitamin K2 for a few

I am 52 years old and suffer from eczema, which is an auto-immune disease. I've been taking a daily 5000IU Vit-D supplement combined with vitamin K2 for a few years, and my eczema has completely cleared up. I live in Scotland, so I am unable to generate Vit-D naturally for a good part of the year.