Category: Research Briefs
NMN raised NAD levels—but did it improve healthy aging?
A 24-week randomized trial found that high-dose NMN raised blood NAD? but did not improve measured physical performance, hearing, glucose, or HbA1c.
Gut microbes and heart failure: new clues, not a probiotic prescription
An observational study links gut microbes with heart-failure severity and improvement, without establishing a probiotic treatment.
Diet, gut microbes, and aging: what a new review can—and cannot—tell us
A new review connects diet and gut microbes with aging-related inflammation, while highlighting the gap between biological mechanisms and proven clinical benefits.
An RNA approach to preserving lean mass during weight loss—in mice
Animal research explores lean-mass preservation during GLP-1 weight loss. Human benefits and safety remain unproven.
Enicepatide trial: promising metabolic results, but heart benefits remain unproven
A sponsor-reported randomized trial found improvements in weight and blood sugar. Full comparisons and long-term cardiovascular outcomes remain uncertain.