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What you’ll hear

“Same dose, same result.”

The fuller picture

Two people who end on the same dose can lose very different things — fat or muscle — depending on how fast they got there.

It's tempting to think the dose is the whole story: pick your target, get there, get the result. But the path to the dose shapes the outcome, and the variable that matters most is ramp speed.

Climb fast and appetite collapses almost overnight. The deficit becomes large and abrupt, and the body — reading scarcity — starts pulling energy from muscle as well as fat. Climb slowly and the deficit stays moderate; you can keep protein high and keep training, and the body has far less reason to sacrifice lean tissue. The endpoint dose can be identical in both cases.

The trial data backs the distinction in a quiet but telling way: slow and fast escalation reached broadly similar final weights, but the slower ramp showed a better waist-to-weight profile — more of the loss came from around the midsection, which is the fat you're actually trying to lose. The fast group moved the scale just as much while giving back more of the wrong tissue.

So 'same dose, same result' is half true. Same scale weight, maybe. Same body composition, not at all — and composition is the thing most people actually care about once they see it in the mirror.

FOR YOU

Ramp slowly, keep protein high, and keep lifting — so the weight you lose comes off as fat, not muscle.

SourceJastreboff 2023 · NEJM 389:514
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