Lamberts Vitamin D3 4000iu provides 100µg of this important nutrient in the preferred D3 form, and at a strength that is increasingly being recommended to help correct deficiencies. In the UK, the only significant food source of vitamin D is oily fish. Most of our vitamin D comes from the sun. **Benefits of Lamberts Vitamin D3 4000iu:** - Easy to take, small vegicaps - Pure grade vitamin D3 - Suitable for vegetarians - Made in the UK - Creation of Lamberts® 4000iu Vitamin D3 requires specialist knowledge