The Summer Deficiency Myth Most people assume summer sunshine means they're covered. They're not. Sunscreen blocks up to 95% of vitamin D synthesis. Office windows block 100%. Most UK adults remain deficient year-round - and summer is exactly when you stop noticing until it's too late. The Synergy Formula: D3 + K2 + C Vitamin D3 (4,000 IU) works only when paired with K2 - without it, calcium goes to your arteries, not your bones. Our formula uses premium Pharmaquinone K2 (MK-7) to direct calcium exactly where it belongs. This is what isolated vitamin D supplements quietly get wrong. Vitamin C: The One Thing Sunshine Will Never Give You Unlike vitamin D, your body cannot produce vitamin C from sunlight - ever. Yet most people forget it entirely. KDefence delivers 500mg of pure vitamin C: supporting your immune system, reducing tiredness and fatigue, and boosting collagen production. Sun or no sun, this one can't wait. Clean Label, 120-Day Supply Zero fillers. Zero binders. Zero coatings. Just three pure, nature-identical active ingredients in a small vegetarian capsule. Packaged in a light-shielding amber glass jar, one bottle delivers a full 4-month supply of daily protection with nothing unnecessary inside. Made in the UK, GMP Certified Formulated and manufactured in a world-class GMP-certified facility in the UK. Non-GMO, gluten-free, and suitable for vegetarians and coeliacs. Nutrition you can trust completely because where it's made matters as much as what's in it.
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