now more than ever, this shouldn’t be overlooked!

Jess says: The benefits of optimum vitamin D levels are now indisputable, particularly in light of the recent pandemic. Vitamin D is definitely in my top three supplements.  

I recommend that all UK adults* take a vitamin D supplement through the winter months (October to March) of 2000-4000IU (50-100μcg), preferably alongside vitamin K2. If you have any health conditions which could benefit from vitamin D or have a darker skin tone, it may be worth getting a test to check your levels. If you are an indoor worker, or wear high-factor sunscreen you may wish to consider taking the supplement year-round. 

Children should take at least 20μg (800IU), and up to 100μg (4000IU) after the age of nine. Many doctors (including myself) believe we should aim for blood test levels of 70nmol/L for optimum health, rather than the minimum 50nmol/L recommended by the NHS.

*Do not take vitamin D without talking to your healthcare provider if you have high vitamin D levels, primary hyperparathyroidism, hypercalcaemia, tuberculosis, sarcoidosis, or are in kidney failure.

Vitamin D is an essential fat-soluble vitamin, that is important not only for our bones, but our whole body. It is unique, as much of it comes from sunlight and there are only small amounts contained in our food.

60% of the UK population has insufficient vitamin D levels. There has been an alarming rise in Vitamin D deficiency, particularly in children, where rates of deficiency were 15 times higher in 2014 than they were in 2000.1  This might be due to…


  1. Basatemur E, Horsfall L, Marston L, Rait G, Sutcliffe A. Trends in the Diagnosis of Vitamin D Deficiency Pediatrics. 2017;139(3):e20162748. doi:10.1542/peds.2016-2748