Health & Nutrition Articles
Evidence-based guides to collagen, supplements, nutrition and ageing well — plain English, primary sources, dated figures.
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What research shows about drinking water and skin, why it is not the main factor for dryness or wrinkles, fluid guidelines by country, and what helps.
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Which everyday foods supply the most magnesium, how much adults need in different countries, a worked day of eating, and why food has no upper limit.
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What normally changes in sleep with age, how to tell normal from a problem worth checking, why it matters for recovery, and a practical plan.
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What research found about eating patterns and inflammation markers, why most evidence is observational, and why popular supplements disappoint.
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The site’s starting point for vitamins and minerals: how much adults need, food sources, who runs short, upper limits, regulation and links to every guide.
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What collagen joint trials actually measured, why hydrolysed and type II collagen differ, where the evidence is weak, and a checklist before you buy.
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Which healthy ageing habits have strong evidence, where popular protocols overreach, a cost-and-evidence comparison and a checklist for judging new claims.
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Five simple nutrition habits for active adults: eating enough, protein spread across meals, carbs matched to training, hydration and recovery meals.
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Six label checks to compare any collagen product fairly: form, grams per serving, source, testing, added ingredients and true cost per gram.
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Why the label dose is not what you absorb: form, dose, food and your body all change supplement bioavailability, with NIH figures and a buying checklist.