Sync your wearables. Personalize your longevity plan.
Pair VitaLonga Sync for HealthKit (Apple Watch / iPhone) or Health Connect, or upload Apple Health / FIT / TCX. Garmin can flow in if you mirror it into Apple Health. We pull recent steps, sleep, and training into your private record. Not medical advice.
Study. UC Berkeley neuroscientist Omer Sharon and colleagues, directed by Matthew Walker, report in Nature Neuroscience (Sept. 11, 2026) that frontal-cortex tau in cognitively healthy older adults tracks with shorter, less synchronized non-REM slow waves and poorer overnight episodic-memory retention. EEG compared adults in their early 20s with adults in their mid-60s to mid-70s; PET with William Jagust showed tau where traveling slow waves originate. A second cohort’s spinal-fluid tau/amyloid ratios pointed the same way. People did not have clinical Alzheimer’s; memory change was within a normal age range. Association is not proof that tau causes memory loss, and the study does not license a sleep supplement. Educational sleep notes, not a diagnosis.
Study (observational). UCLA Health researchers (Kanhao Zhao, senior author Arpana Church) report in eBioMedicine on nearly 1,500 adults across three groups. A Brain Aging Index from resting brain-network scans that looked older than chronological age tracked with poorer working memory and executive function and more depressive symptoms. In one group, stool profiles (fat molecules, a cholesterol-related compound, lower estetrol) associated with a higher index, pointing to immune, vascular, neuronal, and energy pathways. This is cross-sectional, not a probiotic trial. A commercial gut product for brain age is weakly evidenced. Food-first fiber is educational, not a treatment.
Study (meta-analysis). Kow, Thiruchelvam and colleagues, writing in Endocrinology, Diabetes & Metabolism, used a Bayesian longitudinal model of reconstructed aggregate data after people stopped the GLP-1 medicines semaglutide or tirzepatide. Patients were estimated to regain about half of treatment-associated weight loss within roughly 7.5 months. Unadjusted regain looked slightly faster for tirzepatide than semaglutide; after adjustment there was no clear drug-specific difference. This is not a reason to start, stop, or replace a prescribed GLP-1 drug. Off-label longevity use is clinician-only. Not medical advice. Educational supplement parallel (not a replacement): When headlines discuss GLP-1 medicines and aging, people often research food-first fiber or bitter-botanical “pathway support” formulas. Those are not semaglutide, not compounded GLP-1, and not a substitute for a prescribed GLP-1 drug. Mouse or marketing claims are hype until human outcome data exist. Weakly evidenced. Store: /store/glp1-pathway-support. Not medical advice. Not a substitute for a prescribed medicine. Off-label prescription use is clinician-only. VitaLonga does not diagnose, treat, or cure disease. Never start, stop, or replace a prescription with a supplement on the basis of a headline.
