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Vitamin D and Your Health: Is the UK weather giving you enough Vitamin D?

Should I take a vitamin D supplement?

Vitamin D is an essential nutrient for maintaining optimal health. It plays a crucial role in bone health, immune function, gut health, and overall well-being. However, with the United Kingdom's predominantly cloudy weather and limited sunlight, concerns arise regarding whether living in the UK provides sufficient vitamin D. In this blog post, we will explore the importance of vitamin D, its sources, and discuss whether the UK climate allows for adequate vitamin D levels to keep you healthy.

The Significance of Vitamin D:

Vitamin D is responsible for numerous vital functions in the body. It aids in the absorption of calcium, promoting strong bones and teeth. Additionally, it supports immune system function, helps reduce inflammation, improves gut integrity, and plays a role in mental health and mood regulation.

Natural Sources of Vitamin D:

The primary source of vitamin D is sunlight. When exposed to sunlight, our skin produces vitamin D from cholesterol. However, this process can be affected by factors such as time of day, season, cloud cover, skin pigmentation, and geographic location.

Factors Affecting Vitamin D Production in the UK:

a) Climate: The UK's temperate climate means that sunlight exposure is limited, especially during the winter months. This reduction in sunlight hours can potentially affect the body's ability to produce adequate vitamin D.

b) Latitude: The UK's latitude, which is farther north than many other countries, decreases the intensity of sunlight reaching the surface. This lower intensity limits the skin's ability to produce vitamin D.

c) Skin Pigmentation: Individuals with darker skin naturally have higher melanin levels, which can reduce the production of vitamin D from sunlight exposure. This means that people with darker skin may require more sunlight exposure to maintain adequate levels.

Dietary Sources of Vitamin D:

While sunlight is the primary source, vitamin D can also be obtained through dietary sources. Good food sources of vitamin D include fatty fish (such as salmon, mackerel, and sardines), egg yolks, fortified dairy products, and fortified cereals. Including these foods in your diet can contribute to your overall vitamin D intake.

Vitamin D Supplements:

Due to the challenges associated with obtaining sufficient vitamin D from sunlight and food alone, supplementation may be necessary, particularly during the winter months. Consulting with your GP, a nutritionist, or take a private vitamin D test can determine the dosage of vitamin D you need (see below for supplement recommendations).

Vitamin D Testing:

If you are concerned about your vitamin D levels, a blood test can provide valuable information. This test measures the amount of vitamin D in your bloodstream and can help you and your GP or nutritionist make informed decisions about supplementation (if needed).


While living in the United Kingdom presents challenges in obtaining adequate vitamin D solely from sunlight, it is still possible to maintain healthy levels through a combination of sunlight exposure, dietary choices, and, if necessary, supplementation. By being aware of the factors that influence vitamin D production and consumption, you can take proactive steps to support your overall health and well-being. Remember to consult with your GP or nutritionist for personalised advice and recommendations based on your specific needs.

If you are looking to buy a Vitamin D supplement, here are my recommendations. You can order them from Natural Dispensary where you'll get a 10% discount.

For the discount with the Natural Dispensary please CLICK HERE and complete the online registration form, adding The Goodness Guide - Abi Owens as the referring practitioner if requested. At the checkout use the code below into the promo code box and click 'apply code' to see the discount appear.

Cytoplan - Vitamin D3 & K2 (Tablets)


This product contains 100ug (4,000 i.u.) Vitamin D3 and 100ug Vitamin K2 (Mk-7) and is designed to elevate levels of D3/K2.

Epigenar - Vitamin D3 & K2 (Drops)

how much vitamin D do we need?

One drop of epigenar Vitamin D3 & K2 contains 1,000iu of Vitamin D3, and 12mcg of Vitamin K2. Suitable from age 11.

Good Health Naturally - Vitamin D3 & K2 (Spray)

Do we get enough vitamin D in the winter?


If you buy any of these products I will earn a small commission from this company. However, these are products I've either used myself or have recommended to my clients.


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