Free standard delivery Supplements Vitamin D3 + K2

Vitamin D3 + K2

Name: Vitamin D3 + K2
Brand: Supplements
SKU: product-0069
Price: 60.00 GBP
Availability: InStock
Rating: 4.8 (6 reviews)

£60.00

Vitamin D3 + K2 is a combined supplement pairing the two fat-soluble vitamins most closely associated with calcium regulation and bone mineralisation.

Supports calcium absorption and bone mineralisation
D3 and K2 work together in the same metabolic pathway
May help maintain vitamin D levels through low-sunlight months
Studied for a role in immune regulation and defence
Helps direct calcium to bones rather than soft tissue

4.8 (6 reflections)

Subscribe & never run outSame price as a one-time purchase.

Delivered monthly
Skip, pause or cancel anytime
Free standard delivery on every order

£60.00One-time purchase£60.00

Secure checkoutFree standard delivery on all orders30-day returns

SupplementsVitamin D3 + K2

Interested in more
personalised recommendations?

Set up your Profile to connect your wearables, biomarkers and test results. Create a bespoke plan based on your unique biology. Expert-led, evidence-based.

Set up Profile now

About This Product.

Vitamin D3 + K2 is a combined supplement pairing the two fat-soluble vitamins most closely associated with calcium regulation and bone mineralisation. Vitamin D3 (cholecalciferol) is the form the body synthesises from sunlight and the one most readily converted to the active hormone calcitriol. It supports calcium absorption in the gut and is widely studied for its role in immune modulation. Vitamin K2 (typically as menaquinone-7, or MK-7) directs that calcium toward the bones and away from soft tissue, including arterial walls — making the pairing more clinically coherent than either vitamin taken alone.

This combination suits people with confirmed low vitamin D on a blood test, those who spend limited time outdoors, individuals with darker skin tones living at northern latitudes, and anyone managing bone density concerns. It also fits well as a year-round baseline for people in the UK, where sunlight is insufficient for cutaneous D3 synthesis for much of the year.

D3 and K2 are both fat-soluble, so they are best absorbed alongside a meal containing dietary fat. The formulation brings together two nutrients that work in the same physiological pathway, reducing the need for separate capsules and making daily compliance more straightforward. For anyone optimising a supplement stack based on bloodwork, this is a rational starting point.

Frequently Asked.

Why take D3 and K2 together rather than separately?

Vitamin D3 increases calcium absorption, while K2 activates proteins that guide calcium into bone and away from soft tissue such as arterial walls. Taking them together addresses the full pathway rather than one step in isolation.

Do I need a blood test before starting this?

It is not strictly required, but a baseline vitamin D blood test is worthwhile. It tells you whether you are deficient or insufficient, and allows you to confirm — with a follow-up test — that your levels have actually responded to the supplement.

Who may not be suitable for this supplement?

People taking anticoagulant medications such as warfarin should speak to their doctor before taking vitamin K2, as K vitamins interact with clotting pathways. Those with hypercalcaemia or certain granulomatous conditions such as sarcoidosis should also seek medical advice first.

How long before I notice a difference?

Vitamin D is slow-acting. Measurable changes in serum 25(OH)D levels typically take several weeks of consistent supplementation. Benefits related to bone density take considerably longer. Most people do not notice a subjective difference — the value is in the bloodwork.

Should I take this every day, or can I dose less frequently?

Check the dosing guidance on the packaging. Daily dosing is generally preferred for fat-soluble vitamins at maintenance levels, as it keeps circulating levels stable. Higher-dose less-frequent protocols exist but are typically used under clinical supervision.

Customer Reflections

Overall Sentiment

4.86 reflections

1 – 6 of 6 reflections

Finally sorted my D levels

5 months ago

GP flagged low vitamin D on my annual bloods last autumn and suggested I supplement. Started taking these with breakfast — just one capsule alongside whatever fat I'm eating anyway. Retested after 12 weeks and levels had come back up nicely. The K2 pairing made sense to me after a bit of reading; didn't want to just chuck calcium around with nowhere to go. Good product, will keep reordering.

Solid daily staple

6 months ago

Been taking this since October as part of my winter stack — magnesium, omega-3, and this. Not much to say other than it does what it's supposed to. No digestive issues, easy to swallow. The combined D3 and K2 in one capsule saves me faff.

Good product but price is steep

7 months ago

I like that both vitamins are in one capsule and the quality feels solid. My energy in winter does seem more stable since starting this, though it's hard to isolate one thing. My only issue is the price — £58.50 is quite a lot compared to similar D3+K2 combos I've seen elsewhere. I'll probably stick with it but I do wince a little at checkout each time.

8 months ago

Bought on a friend's recommendation after she said her consultant had suggested the D3 and K2 combination specifically. Three months in and my follow-up bloods showed a solid improvement. Takes a while but it works.

Year-round essential for me

1 year ago

Living in Scotland, I've accepted that sunlight isn't doing the work for most of the year. I've tried a few different brands over the years and this is the one I keep coming back to. I take it with dinner — usually something with olive oil or avocado — and it fits into my routine without any effort. Bloods have been consistently in a good range since I started. Straightforward, reliable supplement.

Does exactly what it says

1 year ago

No fuss, no aftertaste, easy to fit into a morning routine. I was taking D3 and K2 separately before and swapping to a combined capsule has simplified things considerably. Happy with it.

Vitamin D3 + K2

About This Product.

How to Take It

Frequently Asked.

You May Also Like

AEKE B1 Fitness Bench

AEKE K1 AI-Powered Smart Home Gym

Dryft Sleep Mouth Tape Sleep Strips

Google Fitbit Air

Finding your calm in a stressful environment