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Wellness: Fitness

Walking Calculator: Steps, distance, time, calories and effort
By: Andrew Forrest - February 2026
Precision plan your hikes. Our science-backed Walking Calculator uses Naismith's Rule and metabolic data to convert steps to miles and estimate calorie burn. Try it today!
Zone 2 walking: Can brisk walking count and when does it become Zone 3?
By: Andrew Forrest - February 2026
Can brisk walking count as Zone 2? Learn how to use the Talk Test, cadence and heart rate to stay in Zone 2, avoid Zone 3 drift, and understand what studies show about health benefits.
Best vitamin D supplements (UK) 2026: Top picks by dose, form and diet (D3 vs D2)
By: Andrew Forrest - February 2026
Which vitamin D should you take in the UK? Doses from 400-4,000 IU, safety limits, formats, what the evidence actually shows, and D3 v D2.
Vitamin D for walkers and hikers: Health benefits, deficiency, supplements, dose ranges and when 'more' isn't better
By: Andrew Forrest - January 2026
Vitamin D for walkers and hikers in the UK: benefits for bones, muscles and immunity, who's at risk, how much to take (400 IU - 4,000 IU), D2 vs D3, sunscreen effects, food sources and safety - plus a simple winter plan.
Health benefits of creatine monohydrate
By: Andrew Forrest - January 2026
Evidence-led guide to the health benefits of creatine monohydrate: strength and lean mass, healthy ageing, HIIT performance, brain and mood (emerging), dosing (3-5g/day) and safety. 100 studies, UK-focused, with practical takeaways.
Best types of creatine to take: Absorption, benefits, and is it worth paying more?
By: Andrew Forrest - January 2026
Confused by creatine types? Evidence-based UK guide to the best types of creatine to take, absorption, dosing (3-5g), safety, and whether expensive forms are worth it.