Vitamin D3 + K2 4,000IU Per Capsule | Daily Immune, Bone & Muscle Support
Vitamin D3 + K2 4,000IU Per Capsule | Daily Immune, Bone & Muscle Support

Vitamin D3 + K2 4,000IU Per Capsule | Daily Immune, Bone & Muscle Support

High-strength daily support for immunity, bones and muscles, paired with Vitamin K2 for a more complete everyday formula.

Vitamin D contributes to the normal function of the immune system.

Supports the maintenance of normal bones and muscle function.

Includes Vitamin K2 to support normal blood clotting and bone health.

Letterbox-friendly recyclable packaging, designed for daily routines.

GP's  Choice

Trusted daily support. Made in the UK. 

Pack Count

Free UK Delivery Over £35 · Secure Checkout · UK Made

Vitamin D3

Immune system, bone and muscle support

Vitamin K2

Bone health and blood clotting support

Core essential

High-strength daily formula for adults seeking a clearly stated 4,000 IU serving.

Daily routine

Simple once-daily supplementation

A Note From Our Nutritionist 

A Note From Our Nutrionist

All Core Health Co. products are built on one straightforward principle: give the body the essential nutrients it needs, in clear, effective and easy-to-understand formulas.

 

We focus on ingredients with a recognised nutritional purpose, use meaningful amounts and state every active ingredient clearly on the label.

 

You will not find unnecessary proprietary blends, exaggerated promises or overly complicated formulations.

 

Registered Nutritional
Therapist (BANT) - Michael Shepherd

Science-Backed Support

Targeted Daily Formula

No Artificial Additives

All natural formulas 

what sets core health co. apart

  • Company transparency

  • Manufacturing Transparency

Clear formulas, nothing hidden

We build every Core Health Co. product on one principle: give the body the nutrients it needs in meaningful amounts, and state exactly what's in it.

No padding, no confusing blends that hide how much you're really getting. Just the actives, in forms your body can use.

British-made quality

Clear active ingredients

No confusing proprietary blends

Designed for daily routines

Recyclable packaging

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In-house guided formulation

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Expert-backed ingredients

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Transparent supply chain

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Strict quality checkpoints

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Direct-to-consumer distribution
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Mass production facilities

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Generic formulations

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Limited supply visibility

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Inconsistent quality control

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Multiple markups

Meaningful, Clearly Stated Doses

Every active ingredient is included at a clearly stated amount. No token doses hidden inside oversized proprietary blends—just straightforward formulas designed for a genuine nutritional purpose.

No Unnecessary Fillers

We keep our formulas focused and uncomplicated, avoiding unnecessary artificial colours, flavours and non-essential ingredients wherever possible.

Full Label Transparency

We clearly show the active ingredients, their forms and the amount provided per serving, so you can compare products properly and know exactly what you are taking.

Manufactured to High Quality Standards

Our supplements are made in the UK using carefully selected ingredients and controlled manufacturing processes. Use “GMP certified” here only where you hold current documentation confirming it.

Got Questions?

Frequently Asked Questions

Have another question? 

Email - info@corehealthco.co.uk

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Why are Vitamin D3 and K2 combined?

Vitamin D contributes to normal immune function, muscle function and the maintenance of normal bones and teeth.

Vitamin K contributes to normal blood clotting and the maintenance of normal bones.

Combining them provides a convenient way to take both nutrients in one daily capsule.

How much Vitamin D3 does each capsule provide?

Each capsule provides 100mcg of Vitamin D3, equivalent to 4,000 IU.

When should I take Vitamin D3 + K2?

Take one capsule daily with a meal, ideally at approximately the same time each day.

Is this suitable for daily use?

It is designed as a once-daily formula. Follow the recommended serving shown on the product label and seek professional advice where appropriate.