Food & Nutrition
Deficiencies that are real, supplements that are not, and eating in a way you can keep up.
Evidence over trends, and honesty about how thin the evidence often is.
The in-depth guides
Iron Deficiency and Anemia: The Most Missed Cause
A doctor explains why ferritin matters more than hemoglobin, how iron deficiency causes symptoms before anemia appears, and when low iron needs investigating.
Vitamin D Deficiency: Who Actually Needs Testing
A doctor separates what vitamin D genuinely does for bones and muscles from what it has been oversold for, and explains who should actually be tested.
Quick answers
Short, specific answers to the questions people actually type. Each one links back to the full guide.
Calcium and Bone Health: Food, Supplements, or Neither?A doctor explains how much calcium adults need, why food sources beat tablets for most people, who genuinely benefits from supplements, and what protects bone.Do Multivitamins Actually Do Anything?A doctor explains what multivitamins do and do not achieve, which supplements have real evidence behind them, and who genuinely benefits from taking one.Fiber and Gut Health: The Boring Answer That WorksA doctor explains how much fiber adults actually need, which foods deliver it, why adding it too quickly causes bloating, and when bowel symptoms need checking.How Much Protein Do You Actually Need?A doctor explains the real protein numbers: the minimum, the amount that helps with training, ageing and weight loss, and whether high protein harms kidneys.How Much Water Should You Actually Drink?A doctor explains real daily fluid targets, why eight glasses is a myth, how urine color works, and how much to drink when working in heat.How to Read a Nutrition Label in Thirty SecondsA doctor explains the four numbers worth checking on any food label, why per-100g beats per-serving, and which front-of-pack claims mean nothing at all.Intermittent Fasting: Does It Beat Just Eating Less?A doctor looks at what head-to-head trials show about intermittent fasting versus daily calorie reduction, who it suits, and who should not try it at all.Magnesium Supplements: Hype Versus EvidenceA doctor separates what magnesium supplements genuinely do for sleep, cramps and constipation from the claims that run well ahead of the evidence.Omega-3 Supplements: What the Evidence Actually SaysA doctor reviews what fish oil and omega-3 supplements do for triglycerides, heart risk and joints, who genuinely benefits, and where the marketing runs ahead.Vitamin B12 Deficiency: The Symptoms and Who Is at RiskA doctor explains the symptoms of vitamin B12 deficiency, the blood levels that matter, who is most at risk, and why nerve damage can start before anemia.
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