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# Pennington research complicates protein craze
- URL: https://www.redeyebr.com/pennington-research-complicates-protein-craze/
- Published: 2026-09-11T00:52:06.000Z
- Updated: 2026-09-11T00:52:06.000Z
- Description: A new LSU paper says less protein, not more, might be the real longevity play.
- Author: JR Ball
- Tags: News, Last Call, Get Out

Baton Rouge can't stop chasing protein—it's stuffed into the yogurt, the pasta, the beer, even the coffee foam at Starbucks. A team of researchers at LSU's Pennington Biomedical Research Center is asking whether the culture has it backward.

**Why it matters:** If [Pennington Biomedical](https://www.pbrc.edu/?ref=redeyebr.com) is right, "more protein is always better" is optimizing for the wrong number—and future research could tell you what your own body actually needs instead of what's printed on the label.

**The craze:** Protein obsession has gone mainstream, and the numbers back it up.

- Nearly half of Americans are actively trying to eat more protein, and that share jumps to more than half among Gen Z and millennials.
- New federal dietary guidelines now recommend up to 1.6 grams of protein per kilogram of body weight, nearly double the old baseline.

**New thinking:** Protein restriction isn't a grab bag of separate effects, Pennington researchers argue—it's one coordinated response, orchestrated by the brain.

- The hormone FGF21 acts as the messenger, syncing metabolism, hormones and food cravings when protein runs short.
- In animal studies, that same coordinated response tracks with longer lifespans, not just leaner bodies.

**Say what:** "How does an animal know it isn't getting enough protein?" asks Pennington's Chris Morrison. It's the deceptively simple question driving his team.

**The catch:** This is a theory paper, not a clinical trial—nobody's telling you to skip the chicken breast.

- The findings come from mice and fruit flies, not humans.
- Pennington itself calls this a framework for future research, not a diet recommendation.

**The bottom line:** Pennington's next step is figuring out how to measure your body's actual response to protein—so instead of chasing a number on a label, you might someday get a number tailored to you.