4.9 (200 reviews)

Vitamin D3 + K2 (MK7) Immune Support

High Strength 4000IU + 100μg

From £2.4/Serving

The duo your bones and immune system depend on. Onyx Nutra's Immunity+ Vitamin D3 + K2 delivers a high-strength 4,000IU (100µg) of Vitamin D3 alongside 100µg of Vitamin K2 (MK-7) in a single daily vegetarian tablet. D3 supports calcium absorption and immune function, while K2 directs calcium to the bones where it's needed most. One tablet. Dual action. 90-day supply. Foundational daily support, made in the UK.


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Foundational support. Every single day.

Vitamin D deficiency is one of the most common nutritional shortfalls in the UK — especially through autumn and winter. But supplementation only truly works when D3 and K2 are paired together. K2 (MK-7) activates proteins that direct calcium to your bones and teeth, not soft tissue. This isn't a short-term immunity hack — it's foundational daily support for skeletal strength, immune resilience, and long-term wellbeing. One tablet a day. Every day.