Vitamin D and Belly Fat: The Headline Had the Arrow Backwards
A new analysis of 5,520 older English adults tied low vitamin D plus a large waist to a...
Longevity & Supplement Guides
Evidence-scored guides to supplements, biomarkers, and daily protocols. Written the way we score our products: honestly.
Showing 15 guides tagged “Nutrition”.
No, your gut bacteria are not eating you — but fibre decides what they make
A viral headline last week said that when you run low on fibre, your gut microbes start eating...
The Man in the Copper Box: Who Invented the Calorie
In 1896, a chemistry professor sealed a man inside a copper-lined chamber in a Connecticut basement to prove...
Who Extra Protein Actually Helps
A 2026 trial added 20 g of protein a day to twelve weeks of supervised lifting and measured...
Coffee and longevity: a permission slip, not a prescription
Half a million people, eight cups a day, and every genotype anyone thought to test — and coffee...
The case for eating less protein — and where it stops applying
A July 2026 review of 350+ studies makes the strongest argument yet for restricting protein. A 2026 cohort...
The Same Dinner at 10 p.m. Is a Different Dinner
Nutrition culture argues about the plate and ignores the clock behind it. Randomised crossover trials have now fed...
Ultra-Processed Food, Without the Panic
Locked in a metabolic ward with sugar, fat, and fibre held equal, people ate about 500 calories a...
Eat the Rainbow: Flavonoid Variety and How You Age
“Eat the rainbow” finally has a number. Two of the largest nutrition studies we have link the variety...
Fermented Foods and the Microbiome: What a Stanford Trial Found
A Stanford trial pitted fiber against fermented foods for ten weeks. The fermented-food group's gut microbiome grew more...
Hydration and Electrolytes: How Much Water Do You Really Need?
The eight-glasses rule is a myth. For healthy people thirst is a reliable guide and urine colour a...
Intermittent Fasting: What the Evidence Actually Shows
Intermittent fasting mostly works by making it easier to eat less — not a metabolic magic trick. What...
