Have You Started Your Vitamin D Yet?
- samsilvester1
- 5 days ago
- 2 min read

You may think that after our wonderful summer you don’t need vitamin D, and whilst this can be stored for 2-3 months, how long it lasts depends on body fat, baseline vitamin D status, age, and health — people with more body fat often store more but may not release it as effectively.
👉 This is why NICE and Public Health England recommend most people consider supplementing from October to March in the UK.
🌞 Vitamin D: Your Immune Protector
As we move into cold and flu season, it’s more important than ever to make sure your vitamin D levels are adequate, as Vitamin D is very immune protective. Thankfully most GP’s are more able to test vitamin D levels, so if unsure do get yours checked.
1. Sunlight First
Your body regulates Vitamin D from the sun, so you can’t overdose (although you can burn). But as we move into Autumn, we won’t be able to get enough in the UK to sustain us over the winter.
2. Food Sources
Food won’t cover your full needs, but it helps:
· Cod Liver Oil – rich in Vitamin D and Vitamin A.
· Fatty fish, butter, and egg yolks – useful but not enough alone.
3. Supplements — Use Wisely
· Always pair with cofactors like magnesium and Vitamin K2
· The average adult needs 2,000 iu per day
· Most multivitamins only contain 400 iu
· High doses above 3,000 iu should only be short-term (e.g. when sick).
· High doses of Vitamin D with high doses of Calcium (without co-factors) can cause calcification of the arteries or kidney stones.
The Takeaway
Vitamin D isn’t a solo act — it works best with sunshine, supportive foods, and nutrient balance. No single supplement is a cure-all, but getting this right can make a big difference to your health.
Get 10% off your vitamin D by emailing me sam@whatseatingyou.co.uk
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