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Medical News Today · 5 Sept 2026

What can and can't slow down aging: New study offers clues

Commentary covering a study. Yale researchers (Sehgal, Higgins-Chen and colleagues) pooled 51 human intervention studies in Nature Medicine and ran the same panel of 16 epigenetic clocks plus 94 other DNA-methylation markers. Diet patterns (Mediterranean, low-carb, or low-fat) plus regular exercise consistently lowered clock estimates. Prescription metformin, semaglutide, and anti-TNF therapies showed the largest average clock drops, often in people already treated for disease. Over-the-counter supplements were limited and inconsistent. Authors stress that a biomarker shift is not proof of extra healthy years. Metformin and GLP-1 drugs remain prescription medicines; off-label longevity use is clinician-only. This is not medical advice. Educational supplement parallel (not a replacement): When longevity headlines discuss metformin, people often also research berberine. That is an off-label / curiosity parallel, not a recommendation to take berberine instead of metformin. Human longevity outcome data for both are limited; disease-use of metformin is clinician-prescribed. Weakly evidenced as an anti-aging product. Store: /store/berberine. 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. 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.

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berberine — When longevity headlines discuss metformin, people often also research berberine. That is an off-label / curiosity parallel, not a recommendation to take berberine instead of metformin. Human longevity outcome data for both are limited; disease-use of metformin is clinician-prescribed. Weakly evidenced as an anti-aging product. 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.

GLP-1 pathway support formula — 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. 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.

ScienceDaily · 5 Sept 2026

Compound in blueberries may help muscle cells burn excess fat

Study (cultured mouse muscle cells). Shinshu University researchers report in Food Bioscience (1 Sept 2026) that pterostilbene, a polyphenol in blueberries and grapes, cut lipid droplets in C2C12 myocytes by stabilizing PPARδ rather than blocking fat uptake. Cells still differentiated normally and showed more fat-oxidation gene activity. This is a dish experiment, not a human trial and not a reason to treat insulin resistance or myosteatosis with a berry extract. Food-first berries are fine; concentrated supplements are weakly evidenced for this claim.

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ScienceDaily · 4 Sept 2026

Stanford scientists discover a seafood that can reverse signs of aging

Study (mice; ScienceDaily coverage dated 4 Sept 2026 of a 2022 Frontiers paper). Xi'an Jiaotong-Liverpool, Stanford and collaborators reported that plasmalogen lipids abundant in edible sea squirts improved Morris-water-maze learning in aged mice, with more synapses, less brain inflammation, and thicker darker fur. The underlying paper is in Frontiers in Molecular Biosciences (2022). This is laboratory animal work, not evidence that eating sea squirts or taking plasmalogen pills reverses human aging. Human trials would be required; supplements marketed on this headline are weakly evidenced.

Read at ScienceDaily →