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Evidence-based supplement guides

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.

99+ guides
Avg 7 min read
Updated weekly
Vitamins & Minerals
Selenium: The Overlooked Mineral Your Thyroid Depends On
Vitamins & Minerals

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.

26 May 20263 min read
Gut Health
Leaky Gut: Real Science vs. Marketing Hype
Gut Health

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.

26 May 20263 min read
Fitness & Performance
Supplements for Runners: What the Evidence Says
Fitness & Performance

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.

26 May 20263 min read
Women's Health
Best Supplements for Women Over 40: Hormones, Bone Health and Energy
Women's Health

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.

26 May 20263 min read
Men's Health
Best Supplements for Men Over 40: The Evidence-Based List
Men's Health

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.

26 May 20263 min read
Sleep & Recovery
Sleep Supplements Ranked: What Actually Helps vs What Doesn't
Sleep & Recovery

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.

26 May 20263 min read
Vitamins & Minerals
Best Supplements for Immune System Support UK (2024)
Vitamins & Minerals

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.

26 May 20263 min read
Fitness & Performance
Beta-Alanine: Benefits, Side Effects, and How to Take It
Fitness & Performance

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.

26 May 20263 min read
Sleep & Recovery
Magnesium for Sleep: Which Form Works Best and Why
Sleep & Recovery

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.

26 May 20264 min read
Vitamins & Minerals
The Best Multivitamin for UK Adults: What to Look For (And Avoid)
Vitamins & Minerals

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.

26 May 20263 min read
Gut Health
Gut Health and Mental Health: The Gut-Brain Axis Explained
Gut Health

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.

26 May 20263 min read
Men's Health
Zinc and Testosterone: What the Evidence Actually Shows
Men's Health

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.

26 May 20263 min read

Showing 25–36 of 99 articles

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