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Supplements

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The supplements people take for healthy aging, each with the research on it: how many papers, and how many were in people, in animals and in cells. Each links to what the studies found.

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Experimental & Molecular Medicine

Kidney disease platelets can halt division in immune cells in the lab

Cell experiments implicated tiny particles released by these platelets and an RNA molecule they carried in this premature non-dividing state.Cell experiments implicated tiny particles released by these platelets and an RNA molecule they carried in this premature non-dividing state.

Human cell studyKidney
Paper
Research Square

Probiotics linked to brain surface area changes in older adults

Surface area in one brain region increased by 21.53 square millimeters with probiotics, against a fall of 54.39 square millimeters with placebo over 52 weeks.Surface area in one brain region increased by 21.53 square millimeters with probiotics, against a fall of 54.39 square millimeters with placebo over 52 weeks.

Preprint: randomized trial · 68 peopleProbiotics
Paper
Nutrients

Protein and leucine added no measurable benefit in older men

In a 28-day randomized trial of 61 older men, extra protein or leucine added no measurable benefit overall during alternate-day fasting.In a 28-day randomized trial of 61 older men, extra protein or leucine added no measurable benefit overall during alternate-day fasting. Their body mass index, a measure of weight relative to height, was at least 23.

Randomized trial · 61 peopleLeucine
Paper
International Journal of Molecular Sciences

Gut bacterium eased memory problems in obese middle-aged mice

In male mice fed a high-fat diet from 6 to 12 months of age, oral bacterial supplementation reduced weight gain and memory impairments.In male mice fed a high-fat diet from 6 to 12 months of age, oral bacterial supplementation reduced weight gain and memory impairments. The researchers also tested oral supplements of Akkermansia muciniphila, a gut bacterium.

Mouse studyGut and microbiome
Paper

The research on each

Broader groups

6 more supplements, each in 4 papers or fewer