Health knowledge that actually works
Plain-English guides written by people who read the studies. No hype, no affiliate-driven nonsense β just the evidence.
Selenium: The Overlooked Mineral Your Thyroid Depends On
Selenium is essential for thyroid hormone synthesis and immune function. UK soil is selenium-poor β here's what you need to know.
Leaky Gut: Real Science vs. Marketing Hype
Intestinal permeability is real and clinically significant. 'Leaky gut syndrome' as marketed is not. Here's the actual science.
Supplements for Runners: What the Evidence Says
Iron deficiency, bone stress, inflammation and recovery β running creates specific nutritional demands. Here's the evidence-based guide.
Best Supplements for Women Over 40: Hormones, Bone Health and Energy
Perimenopause, bone density, iron, and mood β women's nutritional needs shift significantly in their 40s. Here's the evidence-based priority list.
Best Supplements for Men Over 40: The Evidence-Based List
After 40, testosterone falls ~1% per year, muscle mass declines, and micronutrient status matters more. Here's what the evidence says to prioritise.
Sleep Supplements Ranked: What Actually Helps vs What Doesn't
From melatonin to valerian to CBD β a no-nonsense ranking of sleep supplements by the quality of evidence behind them.
Best Supplements for Immune System Support UK (2024)
Vitamin D, zinc, vitamin C, and elderberry are all marketed for immunity. Here's what the clinical evidence actually supports.
Beta-Alanine: Benefits, Side Effects, and How to Take It
Beta-alanine causes tingling β but the performance benefits for high-intensity training are real. Here's the science.
Magnesium for Sleep: Which Form Works Best and Why
Magnesium glycinate, citrate, threonate, oxide β they're all called magnesium but they're not the same. Here's the definitive guide to sleep use.
The Best Multivitamin for UK Adults: What to Look For (And Avoid)
Most multivitamins under-dose the important nutrients and over-fill with cheap forms of the rest. Here's how to read the label like a scientist.
Gut Health and Mental Health: The Gut-Brain Axis Explained
90% of serotonin is made in the gut. The gut-brain axis is bidirectional β your mental health affects your gut, and vice versa.
Zinc and Testosterone: What the Evidence Actually Shows
Zinc is essential for testosterone synthesis. Does supplementing it raise testosterone? The answer depends entirely on whether you're deficient.
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