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Vitamin D3 vs D2 (and the Signs of Low Vitamin D)
Vitamin D3 vs D2 (D3 is the more effective form), why the 'signs' of low vitamin D are too non-specific to self-diagnose (a GP blood test is the honest route), why deficiency is common in UK winters, and vitamin D's authorised roles.
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Vitamin D3 + K2 for Bone Health: Why They're Paired
Vitamin D3 and K2 for bone health: both carry authorised claims for the maintenance of normal bones, working through complementary pathways. Why the MK-7 form matters and how to choose.
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Supplements for Bones & Joints UK: What Actually Carries a Claim
An honest guide to bone and joint supplements: vitamin D, K, C and manganese carry authorised bone claims; collagen and turmeric are sold on structure and tradition, not claims. How to choose with clear eyes.
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Vitamin D in Winter UK: Why It Matters and How to Choose
Why vitamin D matters in a UK winter: from October to March there isn't enough UVB sunlight to make it. The honest case for a D3 supplement, its authorised roles, and how to choose.
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