Life Sciences & Medicine Active Updated Aug 3, 2026
A major review argues most people eat more protein than they need, and it may sp
A review of more than 350 studies found that for sedentary adults, lower protein intake raises the hormone FGF21 and eases amino-acid signaling that drives inflammation, producing fat loss and better blood sugar without cutting calories. The finding directly contradicts 2026 US dietary guidance that raised recommended protein intake, and the stakes turn on whether long-term human trials confirm a real aging benefit beyond animal models and short observational studies.
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Aug 3, 2026 Latest
A review of more than 350 studies led by Dudley Lamming of the University of Wisconsin-Madison, published July 31 in Cell Press Blue, found lower protein intake raises the hormone FGF21 and eases amino-acid signaling linked to inflammation, and human trials found people who cut protein lost fat and improved fasting glucose without cutting overall calories, though the review found active people and older adults preserving muscle still benefit from more protein.
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