Thorne

Vitamin D + K2

£30.00

Winter-proof immunity, mood and bone strength, with K2 to steer the calcium exactly where it belongs.

  • 1,000 IU D3 with 200mcg K2 (MK-4)
  • Supports immunity, mood & bone
  • Fat-soluble liquid drops
  • NSF Certified for Sport
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ThorneVitamin D + K2
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What are you hoping to improve?

Pick a goal and we’ll tell you, honestly, whether Vitamin D + K2 is the right fit, or what would suit you better.

Recommended Alongside

Ultimate Omega

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Magnesium Bisglycinate

The gentle, highly absorbed form of the mineral behind calm, sleep and steady energy, that most people are short on.

Creatine

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About This Product.

For much of the year the sun is too weak to make the vitamin D your immune system, mood and bones rely on. Indoor days and northern latitudes make a daily top-up one of the most reliable habits you can keep, quietly holding up your defences through the darker, harder months when everything else feels like more effort.

Thorne pairs D3 with vitamin K2, and that pairing is the whole point. D3 raises how much calcium you absorb; K2 then directs that calcium into bone and away from arteries and soft tissue, so the two behave as a system rather than one working without the other. It is the difference between supplementing and supplementing properly.

This is a clean, fat-soluble formulation from a brand clinicians and professional teams both trust, made without unnecessary fillers and dosed for everyday use. The liquid drops absorb easily and take seconds, so there is nothing to talk yourself out of.

A true foundation for immune defence, steady mood and long-term bone strength, and an easy companion to omega-3 and magnesium in a complete daily base.

For much of the year the sun is too weak to make the vitamin D your immune system, mood and bones rely on. Indoor days and northern latitudes make a daily top-up one of the most reliable habits you can keep, quietly holding up your defences through the darker, harder months when everything else feels like more effort.

Vitamin D31,000 IU per 2 drops
Vitamin K2 (MK-4)200mcg per 2 drops
FormLiquid drops, MCT oil base
Servings600

How to Take It

i.

One serving daily with a meal containing fat.

ii.

Take in the morning, vitamin D can be subtly stimulating.

iii.

Consider a higher dose in winter if your levels run low.

If you feel wired or restless, take less, or take a break.
The aim is steadiness, not stimulation.

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Customer Reflections

Overall Sentiment

4.946 reflections
1 – 6 of 46 reflections
CT

Part of my morning routine now

4 months ago

Take one with breakfast every day — been doing this for about three months. Had a blood test before starting and another recently, levels have come up nicely. Didn't expect to notice much but I do feel less sluggish in the afternoons, which was my main gripe through winter.

DF

First impressions: solid

4 months ago

Picked this up after getting my blood test back showing I was deficient. First thing I noticed was how small the capsules are — easy to swallow, no unpleasant aftertaste. Two weeks in and it's too early to claim much, but I feel good about the D3+K2 combo. The fact the K2 is included takes one thing off my mind.

DF

Exactly what I needed after my blood test

4 months ago

GP flagged low vitamin D last autumn. Wanted something that paired D3 with K2 rather than just a standalone D. This does exactly that and fits neatly into my existing stack — magnesium in the evening, this in the morning. Straightforward and seems to be working.

PM

5 months ago

T

Good quality, no fuss

5 months ago

Swapped from a cheaper supermarket brand after reading more about the D3/K2 pairing. This one feels more considered. Two months in and my energy on dark winter mornings is noticeably better. Will keep buying.

M

Switched from a standalone D3

5 months ago

Was on plain vitamin D for years and kept reading about K2 being important alongside it. Decided to just get a combined capsule and this one came up consistently in recommendations. The capsules are unfussy — no smell, no taste, just done. Taking it with breakfast most mornings. Happy with the switch.

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