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Food Sensitivity Testing: What Works and What's a Waste of Money
IgG food sensitivity tests are widely sold but rejected by mainstream allergy medicine. Here's what the evidence actually shows — and what to do instead.
NAD+ Supplements: Resveratrol, NMN, NR — Are They Worth It?
NAD+ is central to energy metabolism and ageing research. The supplements claiming to raise it are a mixed bag. Here's the honest breakdown.
How to Fix Your Sleep Schedule: Circadian Biology Made Simple
Chronic sleep problems are usually circadian problems. Here's the biology of your sleep-wake cycle — and how to reset it.
Copper Deficiency: The Hidden Consequence of Zinc Supplementation
High-dose zinc supplements block copper absorption. Copper deficiency causes anaemia and neurological problems. Here's what you need to know.
HMB Supplement: Does It Prevent Muscle Loss?
HMB is marketed for muscle preservation in older adults and during caloric restriction. Here's what the evidence actually shows.
Antioxidants: Does Supplementing Them Actually Do Anything?
Antioxidant supplements are a multi-billion pound market. The evidence they work — and some evidence they may harm — tells a more complicated story.
Supplements During Pregnancy: What's Safe and What to Avoid
Folic acid and vitamin D are NHS-recommended. Beyond that, the picture is more complex. Here's an evidence-based guide for pregnant women in the UK.
Testosterone Support Supplements: What Actually Has Evidence
The 'natural testosterone booster' category is full of overhyped products. Here's what actually has clinical evidence — and what's just marketing.
Should You Take Glutamine? Evidence vs Marketing
Glutamine is heavily marketed for recovery, gut health and immune function. The evidence for healthy athletes tells a different story.
Fibre Supplements: Psyllium, Inulin, FOS — Which One Do You Need?
Fibre supplements come in different types with very different effects. Here's how to choose the right one for your goal.
Vitamin B Complex: Do You Need All the B Vitamins Together?
B vitamins are often sold as a complex. Here's which ones you're actually likely to be missing — and why the form matters enormously.
Cold Water Therapy and Recovery: What Does the Science Actually Say?
Ice baths and cold showers are everywhere. Here's what the evidence says about recovery, performance, and the supplements that complement cold exposure.
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