Animal study · Exercise · 5 Sept 2026
Compound in blueberries may help muscle cells burn excess fat
Source: ScienceDaily
What the research found
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.
Evidence level: Animal study. Results in animals or cells often don't carry over to people.
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