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Back to Study: Diets high in protein or saturated fat do not affe...
quantitative
Analysis v1
Strong Support

If you're overweight and eat a lot of protein—especially from whey—for a month, your blood sugar might go up a bit, but only if you're also eating very little saturated fat. If you eat more saturated fat, that same high-protein diet doesn't seem to affect your blood sugar.

72
Pro
0
Against

Evidence from Studies

Supporting (1)

72

Community contributions welcome

72

Diets high in protein or saturated fat do not affect insulin sensitivity or plasma concentrations of lipids and lipoproteins in overweight and obese adults.

Randomized Controlled Trial
Human
2014 Nov

The study found that eating more protein raised blood sugar slightly, but only when people also ate less saturated fat — which matches what the claim says.

Contradicting (0)

0

Community contributions welcome

No contradicting evidence found

Gold Standard Evidence Needed

According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.

Source Study

Diets high in protein or saturated fat do not affect insulin sensitivity or plasma concentrations of lipids and lipoproteins in overweight and obese adults.

Score: 72
DOI: 10.3945/jn.114.197624

Similar Assertions

If you're overweight, eating a lot more protein — especially from whey — for a month won't help your body use insulin better unless you're also losing weight.

72
0
79%

If you're overweight or obese and eat the same number of calories, boosting protein or saturated fat from dairy for a month doesn't seem to hurt your blood sugar control or cholesterol levels.

72
0
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After losing weight, your body tries to burn fewer calories than it should — but eating more protein helps your body return to its normal calorie-burning rate.

60
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When people who lost weight eat more protein and fewer carbs, their bodies burn more calories at rest and end up in a calorie deficit, which might help them keep the weight off.

60
0
73%

After losing weight, your body tries to burn fewer calories than it should — but eating more protein helps your metabolism return to normal, while eating less protein keeps it slowed down.

60
0
72%