Evidence Library
Browse the claims, explore the research and understand what the evidence means for you.
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Ratings apply to the specific claim assessed. Read each investigation for its findings and limitations.
Does Magnesium Glycinate Really Improve Sleep — and Is It Better Than Melatonin?
A recent bisglycinate trial found a small improvement in insomnia symptoms. Does the wider research show better sleep, a superior magnesium form or an advantage over melatonin?
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Do GLP-1 Patches Really Work for Weight Loss?
Prescription GLP-1 medicines work in studied settings. Can a non-prescription herbal patch borrow that evidence? We test the delivery, ingredients and finished-product claims.
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Is Japanese Walking Really Better Than 10,000 Steps?
Three minutes fast, three minutes easy: interval walking can be useful, but did the research really show it beats 10,000 daily steps?
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Does Walking in a Weighted Vest Burn More Fat and Strengthen Your Bones?
Extra load can increase walking’s energy cost. We investigate whether weighted vests also produce lasting fat loss, stronger bones and later-life benefits.
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Do Vibration Plates Really Burn Fat and Replace Exercise?
Vibration plates may help selected strength outcomes, but do they meaningfully burn fat or replace exercise? We separate the evidence from the marketing.
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Does Taking Paracetamol During Pregnancy Cause Autism?
Observational associations, sibling comparisons and current guidance: what the strongest evidence says about paracetamol, pregnancy and autism.
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Does Zinc Carnosine Really Heal Your Gut Lining?
WEAK — Broad gut-repair claims remain unproven. Small human studies support selected mucosal or permeability effects in specific settings; gastric treatment is a separate question.
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Does Creatine Cause Dehydration or Muscle Cramps?
Does creatine cause dehydration or cramps? Examine controlled heat studies, body-water changes and what athlete observations can establish.
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Does Creatine Improve Memory and Brain Function?
Does creatine improve memory and brain function? Explore cognitive trials, sleep-deprivation research and limits of positive meta-analyses.
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Do You Need to Load or Cycle Creatine?
Loading speeds muscle saturation, but is it necessary? Explore gradual dosing, maintenance, serving size and the evidence on cycling.
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Does Creatine Make You Bloated or Cause Water Retention?
Does creatine cause bloating or water retention? Separate muscle water, scale weight, digestive discomfort and visible puffiness.
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Does Creatine Damage Your Kidneys?
Does creatine damage healthy kidneys? We examine creatinine, directly measured filtration and what trials can tell us about safety.
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