Are you taking your Vitamin D?

Since the beginning of the pandemic we have been encouraging our clients to look after their health and consider taking vitamin D. ( Coronavirus How to Keep Healthy ) However we are NOT nutritionists or dietitians so please ensure you take responsibility for your own health if you choose to take supplements.

Are you taking your vitamin D?

There has been a lot of mixed messages about supplements and Covid 19 but latterly the evidence for vitamin D has grown. In a northern hemisphere country with very reduced sunlight at this time of year our vitamin D levels can be very low. Vitamin D is responsible for a huge number of functions within our cells many of which help modulate our immune system.

Recent studies have shown that keeping vitamin D levels above 50 nmol/l (nanomols per litre) may significantly improve your outcomes if you get Covid.

COVID-19 Mortality Risk Correlates Inversely with Vitamin D3 Status, and a Mortality Rate Close to Zero Could Theoretically Be Achieved at 50 ng/mL 25(OH)D3:

(If you wish to see the full explanation of this paper then there is a video below by Dr John Campbell who reviews the data in a sensible non biased way).

More about Vitamin D

It is hard to obtain these levels of Vitamin D through diet alone and when there is limited sunshine. Vitamin D is found in fish, eggs and diary.

So to achieve these levels of vitamin D in the blood you need to be taking Vitamin D3 supplementation. This needs to be in the range of 4000 to 10,000 units (100 to 250 µg) to generate an optimal 40–60 ng/mL (100 to 150 nmol/L). This has been shown to be completely safe when combined with approximately 200 µg vitamin K2. K2 helps to ensure that the calcium produced goes to the bones.

More about Vitamin D

And about Vitamin K

If you are taking any prescription medication please check that it will not react with Vitamin D. You can check here….

You need to start now to build up your levels as it will not happen over night. It might be worth considering taking this relatively cheap supplement throughout the winter.

Vitamin C

If you find yourself with an infection and you haven’t been taking Vitamin D. You can get an instant immune boost if you take high levels of Vitamin C or Zinc as soon as you feel something brewing. With Vitamin C you can take up to 5000mg per day whilst infectious. It has less data for Covid but is effective in many other viral respiratory situations it has prevented and alleviated symptoms. Read more here…  


Zinc is also an important nutrient for immune health. Low levels of Zinc may be responsible for 16% of deep respiratory infections worldwide. The most common symptoms of COVID-19 are now headache, sore throat, general weakness, pain as aching limbs, sneezing and runny nose.  Most of those symptoms can be associated with altered zinc homeostasis and this paper explains how zinc might prevent or attenuate those symptoms. Read more here…..

We hope this gives you some useful information to consider and helps to keep you well.

Videos on Vitamin D