The Knowledge Hub

A gloomy grey winters day with THE UK WINTER DEFICIT written on a sign in the background
12 February, 2026

The UK Winter Deficit: How Much Vitamin D Do I ...

How much Vitamin D do you actually need during a UK winter? Discover the difference between maintenance and booster doses, how to interpret your nmol/L levels, and the best way...

12 February, 2026

The UK Winter Deficit: How Much Vitamin D Do I Need Daily to Hit Op...

How much Vitamin D do you actually need during a UK winter? Discover the difference between maintenance and booster doses, how to interpret your nmol/L levels, and the best way to test from home.

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Close-up of a blood sample vial with a digital infographic overlay showing medical diagnostics, HbA1c data, and genetic markers in a modern clinical lab.
11 February, 2026

The 40+ Health MOT: What Blood Tests Do I Need ...

Stop guessing and start measuring. Discover the critical cardiovascular, hormonal, and nutrient markers you need to track after 40 to prevent chronic disease and optimize your energy for the decade...

11 February, 2026

The 40+ Health MOT: What Blood Tests Do I Need After...

Stop guessing and start measuring. Discover the critical cardiovascular, hormonal, and nutrient markers you need to track after 40 to prevent chronic disease and optimize your energy for the decade...

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Fresh seasonal vegetables and berries arranged around a bottle of multivitamin supplements on a rustic white table, illustrating the concept of supplementing a healthy diet.
10 February, 2026

Do I Really Need a Multi-Vitamin? Bridging the ...

Explore the common nutrient gaps in the UK diet, the science of bioavailability, and how to use blood diagnostics to create a "nutritional safety net" tailored to your peak performance.

10 February, 2026

Do I Really Need a Multi-Vitamin? Bridging the Commo...

Explore the common nutrient gaps in the UK diet, the science of bioavailability, and how to use blood diagnostics to create a "nutritional safety net" tailored to your peak performance.

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A hand stirring marine collagen powder into a glass of water next to fresh citrus slices and a tub of OstroVit Marine Collagen from Optimal You.
06 February, 2026

Marine vs Bovine Collagen: Which Source is Best...

Is your collagen supplement reaching your cells? We break down the absorption advantage of marine collagen vs. bovine sources and reveal the essential co-factors needed to "stitch" new collagen into...

06 February, 2026

Marine vs Bovine Collagen: Which Source is Best for ...

Is your collagen supplement reaching your cells? We break down the absorption advantage of marine collagen vs. bovine sources and reveal the essential co-factors needed to "stitch" new collagen into...

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A glass of orange juice with an orange slice and an iron supplement capsule on a wooden table, illustrating how Vitamin C helps iron absorption.
02 February, 2026

Iron Absorption Hacks: How to Maximise Your Sup...

Discover how to optimise iron absorption by pairing with Vitamin C and avoiding common "blockers". Master the timing of your dose and which blood markers track your progress effectively.

02 February, 2026

Iron Absorption Hacks: How to Maximise Your Suppleme...

Discover how to optimise iron absorption by pairing with Vitamin C and avoiding common "blockers". Master the timing of your dose and which blood markers track your progress effectively.

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