Model: Older adults (60–85 years old) with mild cognitive impairment (MCI) enrolled in a randomized, double-blind, placebo-controlled clinical trial.
Dosage: Participants received one gastro-resistant capsule daily for 180 days, containing either 250 mg of Kluyveromyces fragilis yeast extract, 350 mg of Saccharomyces cerevisiae yeast extract, or a placebo.

Yeast Supplement Improves Cognitive Function in Older Adults with Mild Cognitive Impairment

Daily supplementation with nucleotide-rich yeast extracts improves cognitive performance and mental well-being in older adults with mild cognitive impairment, researchers find. 

Brain &amp; Neurons

Model: 8-month-old female Swiss mice
Dosage: 200 µL of aged-derived fecal suspension administered orally three days per week for two weeks

New Study: Transferring Gut Microbes from Old to Adult Mice Shortens Lifespan

Spanish scientists unveil data showing that transferring fecal microbes from old to adult mice increases biological age and shortens lifespan.

(A depiction of the intestines filled with gut microbes | Northwestern Medicine)

Spanish scientists show that transferring fecal microbes from old to adult mice increases biological age and shortens lifespan.

Aging &amp; Longevity

Joe Rogan’s Top Supplements for 2026

Joe Rogan’s latest supplement stack includes compounds targeting longevity, cognition, immunity, fitness, and optimal hormone levels.

(Joe Rogan on set for his podcast | Spotify Newsroom)

Joe Rogan’s updated supplement stack for 2026 includes compounds targeting longevity, cognition, immunity, fitness, and optimal hormone levels.

Harvard: Microbiome Depletion Rejuvenates the Aging Brain

Harvard researchers find that aged mice lacking gut bacteria exhibit a brain more like that of young mice. 

The Principal Investigator of the study, Dr. Lee Rubin (image: harvard.edu). 

New Study Shows Cranberry Extract Equivalent to Metformin in Fighting Aging

Fayoum University researchers found that cranberry polyphenols improve metabolic markers, cognition, and oxidative stress to the same degree as the drug metformin.

A new study suggests cranberry extract has effects against aging that rival metformin.

Search Result: microbiome

Yeast Supplement Improves Cognitive Function in Older Adults with Mild Cognitive Impairment

New Study: Transferring Gut Microbes from Old to Adult Mice Shortens Lifespan

Joe Rogan’s Top Supplements for 2026

New Harvard Study: Microbiome Depletion Rejuvenates the Aging Brain

New Study Shows Cranberry Extract Equivalent to Metformin in Fighting Aging