Longevity and health claims, checked against the actual studies
Category: Nutrition & Supplements
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Does lion’s mane mushroom really help memory? Only about 185 people have been tested in placebo-controlled trials, and the results disagree. See the evidence.
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Spermidine benefits look strong in food studies and weak in capsules: a year-long trial in 100 older adults found no memory gain from the wheat germ pills.
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A continuous glucose monitor has no proven health benefit if you do not have diabetes. Here is what it can honestly measure, and what it cannot tell you.
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Fermented foods gut microbiome evidence: Stanford’s 17-week trial raised microbial diversity and cut 19 inflammatory proteins. What it still does not prove.
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GlyNAC raised muscle glutathione 164% in one 16-week trial, yet a larger 114-person test found nothing. The difference is dose, and most products miss it.
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The J-curve says moderate drinking protects the heart. Correct one basic bias and it collapses. What the evidence really shows about alcohol health risks.
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Kiwifruit benefits, ranked by evidence: two green kiwifruit a day rival psyllium for constipation, with promising extras for sleep, immunity, mood, and iron.
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Ultra-processed foods drove 508 extra calories a day in the one controlled trial. See what the science really shows about weight gain and disease risk.
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No solid human evidence shows the epitalon peptide lengthens telomeres or extends lifespan: zero registered trials, only cell data, and a real cancer question.
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Copper peptides (GHK-Cu) deliver modest, real skin gains in creams, but injectable GHK-Cu has zero human efficacy trials. Here’s what the evidence shows.
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