– Vitamin D3 & K2 work really well with each other. Prowise Healthcare Ltd, 17 Dyson Drive, Uxbridge, Middlesex, London, UB10 0GJ, United Kingdom. Max Strength Vitamin D 4000IU. ADDED HEALTH BENEFITS – Vitamin D3 and Vitamin K2 are commonly known for contributing to calcium uptake as well as supporting cardiovascular health and blood circulation.
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