{"product_id":"designs-for-health-vitamin-d-supreme-b003cf7toa","title":"Designs for Health Vitamin D Supreme - Vitamin D3 5000 IU with Vitamin K2 MK-4, K1, and GG - Bone and Immune Support (60 Capsules)","description":"\u003cp\u003eFor those seeking comprehensive support for bone density and immune function, the pairing of vitamin D3 and vitamin K2 is a well-researched choice. Vitamin D Supreme from Designs for Health offers a clinically relevant dose of vitamin D3 (5000 IU) with a unique blend of vitamin K1 and vitamin K2 in the premium MK-4 form, plus the complementary compound geranylgeraniol (GG). This synergistic formula is designed to support normal calcium utilisation, cardiovascular health, and immune system balance.\u003c\/p\u003e\n\n\u003ch2\u003eWhat to Look For in a D3 + K2 Supplement\u003c\/h2\u003e\n\u003cp\u003eWhen selecting a D3 and K2 supplement, consider the dosage ratio, form of K2, and additional ingredients. Typical research-backed doses range from 1000–5000 IU of D3 and 45–100 mcg of K2 as MK-7, but MK-4 may require higher doses (1000–5000 mcg) due to its shorter half-life. This product use 2000 mcg of MK-4 plus K1, providing both rapid and sustained activity. Look for supplements from reputable brands that undergo third-party testing for purity and potency. Designs for Health is the #1 practitioner supplement brand recommended by functional medicine professionals, reflecting its commitment to quality.\u003c\/p\u003e\n\n\u003ch2\u003eKey Health Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBone Health:\u003c\/strong\u003e Vitamin D3 contributes to the maintenance of normal bones by supporting calcium absorption, while vitamin K2 helps incorporate calcium into the bone matrix.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCardiovascular Health:\u003c\/strong\u003e By activating matrix GLA protein (MGP), vitamin K2 helps maintain normal calcium balance in arteries, promoting arterial flexibility and normal cardiovascular function.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImmune Support:\u003c\/strong\u003e Vitamin D3 contributes to the normal function of the immune system and helps maintain a balanced immune response.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHealthy Ageing:\u003c\/strong\u003e Adequate vitamin D levels are associated with healthy ageing. The added GG (geranylgeraniol) supports the body’s natural production of CoQ10 and vitamin K-dependent proteins, which decline with age.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Take Vitamin D3 and K2 Together?\u003c\/h2\u003e\n\u003cp\u003eVitamin D3 and vitamin K2 work as a team to manage calcium in the body. Vitamin D3 increases calcium absorption from the gut, but without sufficient K2, calcium may end up in soft tissues like arteries instead of bones. Vitamin K2 activates proteins that help direct calcium to where it is needed most—your bones and teeth—while helping maintain arterial flexibility. This partnership supports strong bones and cardiovascular health simultaneously.\u003c\/p\u003e\n\n\u003ch2\u003eUnderstanding the Synergy: How D3 and K2 Work Together\u003c\/h2\u003e\n\u003cp\u003eVitamin D3 (cholecalciferol) stimulates the production of calcium-binding proteins and osteocalcin, a key bone matrix protein. However, osteocalcin must be carboxylated (activated) by vitamin K2 to effectively bind calcium to the bone matrix. Similarly, matrix GLA protein (MGP), which helps prevent calcium deposition in arteries, is activated by vitamin K2. Without adequate K2, the calcium absorbed due to D3 may not be properly utilised, potentially compromising both bone density and vascular health. The MK-4 form of K2 used in this supplement is a short-chain menaquinone with a rapid turnover, ideal for supporting these daily activation processes.\u003c\/p\u003e\n\n\u003ch2\u003eWhat Makes Designs for Health Vitamin D Supreme Special?\u003c\/h2\u003e\n\u003cp\u003eThis formula goes beyond standard D3+K2 supplements by including both vitamin K1 and K2 (as MK-4) plus geranylgeraniol. K1 is primarily involved in normal blood clotting, while K2 (MK-4) focuses on bone and cardiovascular health. The addition of GG—a compound naturally produced in the body but declining with age—further supports bone health and immune system balance. Each small, easy-to-swallow capsule provides 5000 IU of vitamin D3 and 2000 mcg of total vitamin K (as phytonadione and menaquinone-4), making it a comprehensive choice for those seeking advanced nutritional support.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eCan I take this supplement if I am on blood thinners?\u003c\/h3\u003e\n\u003cp\u003eVitamin K can interfere with anticoagulant medications like warfarin. Consult your health care provider before use if you are taking blood thinners.\u003c\/p\u003e\n\u003ch3\u003eWhat is the best time to take this supplement?\u003c\/h3\u003e\n\u003cp\u003eVitamin D and K are fat-soluble, so taking them with a meal containing fat enhances absorption.\u003c\/p\u003e\n\u003ch3\u003eIs this product gluten-free and non-GMO?\u003c\/h3\u003e\n\u003cp\u003eDesigns for Health products are typically gluten-free and non-GMO, but please check the label for specific certifications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eThis product is a food supplement and should not be used as a substitute for a balanced diet and healthy lifestyle. These statements have not been evaluated by the European Medicines Agency. This product is not intended to diagnose, treat, , or prevent any disease.\u003c\/em\u003e\u003c\/p\u003e","brand":"Designs for Health","offers":[{"title":"Default Title","offer_id":46715375386785,"sku":null,"price":51.33,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0740\/0043\/3313\/files\/71_lpRddzVL._AC_SL1500.jpg?v=1784392320","url":"https:\/\/ukvitalityvitamins.co.uk\/products\/designs-for-health-vitamin-d-supreme-b003cf7toa","provider":"UkVitalityVitamins","version":"1.0","type":"link"}