![Vitamin D - A Superstar for Winter Health Infection-Fighting Abilities For Colds and Flu — Cambridge Naturals Vitamin D - A Superstar for Winter Health Infection-Fighting Abilities For Colds and Flu — Cambridge Naturals](https://images.squarespace-cdn.com/content/v1/5366ed3ee4b0b47b799380bb/1420750200136-FZH70MV6V3Q817X3M0YS/image-asset.png)
Vitamin D - A Superstar for Winter Health Infection-Fighting Abilities For Colds and Flu — Cambridge Naturals
Dr Steven Lin - In the Northern hemisphere as Winter approaches, in most places, you will produce no vitamin D from the sun. If you live above 37 degrees north or south
![Why vitamin D is important for fertility and pregnancy — Online Dietitian - intuitive nutrition therapy for fertility & pregnancy Why vitamin D is important for fertility and pregnancy — Online Dietitian - intuitive nutrition therapy for fertility & pregnancy](https://images.squarespace-cdn.com/content/v1/5b7486c08f513007dcd56e6f/36a8a461-cd7e-4fca-96c9-98abc58d8aeb/vit+D+%282%29.png)