Save 10% on everything - Ending soon – Code: VITADAYS →

vitamin-d-supplements

Why Vitamin D matters

Vitamin D plays a crucial role in keeping your body strong and healthy. From bone support to immune function, discover why this essential nutrient deserves your attention.

Immune Function

Plays a crucial role in activating immune defenses.

Bones & Teeth

Necessary for maintaining skeletal mineral density.

Muscle Function

Supports strength, power, and stable motor control.

Calcium Metabolism

Support it absorption in the gut and healthy levels in the blood.

Why sunshine isn't always enough

Even with an active outdoor lifestyle, most people don't get enough Vitamin D from sunlight alone. Here are the key factors that limit your natural production.

Season & latitude

In winter months or higher latitudes, the sun's rays are too weak to stimulate natural synthesis.

Indoor lifestyles

Office jobs, modern architecture, and sunscreen usage significantly reduce direct UVB skin exposure.

Age

As we age, our skin's capacity to synthesise Vitamin D from sunlight drops by up to 50%.

Diet

Extremely few foods naturally contain enough Vitamin D to meet baseline physiological demands.

Choose your Vitamin D

Different formats. Different preferences. Find what works best for you.

Vitamin D3 or D3 + K2?

Vitamin D helps your body absorb calcium. Vitamin K2 complements D3 by supporting the normal maintenance of bones.

D3
D3 + K2

Understanding Vitamin D strength

Compare our formats to find the perfect fit for your routine.

1,000 IU
Standard baseline

Standard dose, for everyday intake

2,500 IU
Mild-strength

Optimized maintenance dose

5,000 IU
High strength

For correcting low levels

10 – 20,000 IU
Standard baseline

Weekly or bi-weekly intake

Regulatory Note: High-dose Vitamin D (above 5,000 IU) should ideally be taken under regular medical supervision or following a diagnostic blood test showing vitamin insufficiency.

Which Vitamin D3 is right for you?

Compare our formats to find the perfect fit for your routine.

Make Vitamin D part of your routine

Integrating daily supplementation into your lifestyle ensures robust year-round immune, bone, and muscle support.

Choose your format

Pick the format that fits your lifestyle — capsules, drops or liquid.

Follow the recommended intake

Take the amount suggested for your chosen product as directed.

Stay consistent

Make Vitamin D a daily habit for long-term support.

Tip: Pair with a balanced diet and healthy lifestyle for overall wellbeing.

Our Vitamin D favorites

-50%
£14.49
£28.99

In stock

-50%
£13.99
£27.99

In stock

£21.99

In stock

-35%
£13.64
£20.99

In stock

-50%
£9.99
£19.99

In stock

£26.99

In stock

-30%
£14.69
£20.99

In stock

-20%
£23.99
£29.99

In stock

Vitamin D3 5000 plus K2 200
Vitality Nutritionals

Vitamin D3 5000 plus K2 200 MK7

90 capsules

(1 863 reviews)

Vitamin D3 and Vitamin K2 are important cofactors in the regulation of calcium metabolism. This high-dosed formula contains 5000 IU of natural vitamin D3 from lanolin with 200 mcg all-trans Vitamin K2 MenaQ7® in its most bioactive and bioavailable form.

  • Highly dosed with 5000 IU D3 + 200 µg MenaQ7® K2 (all-trans)
  • For strong bones and teeth – supports calcium absorption in the body
  • Highest bioavailability thanks to high-quality, oil-based capsules
£26.99

More than supplements.

Your trusted nutritional partner.

EXPERTLY FORMULATED

Every product in our catalog is created in partnership with leading nutritional biochemists and functional medicine professionals.

QUALITY YOU CAN TRUST

Manufactured in certified clean rooms. Third-party lab tested for structural purity, heavy metals, and physical stability.

CHOICE WITH GUIDANCE

We don't just sell supplements, we promote clear biochemical information, interactive finders, and medical insights.

TRUSTED BY CUSTOMERS

Over 500,000 active clients rely on our formulas daily. Proudly rated 4.9 out of 5 stars across leading review directories.