After weight-loss surgery, two key hormones—FGF19 and GLP-1—go up after meals, and this rise is linked to better blood sugar control in people with type 2 diabetes.

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Against

Evidence from Studies

Supporting (1)

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Changes in Bile Acid Metabolism, Transport, and Signaling as Central Drivers for Metabolic Improvements After Bariatric Surgery

Narrative Review

Human & Animal

2019 Jun

Contradicting (0)

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No contradicting evidence found

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Source Study

Changes in Bile Acid Metabolism, Transport, and Signaling as Central Drivers for Metabolic Improvements After Bariatric Surgery

Score: 1

DOI: 10.1007/s13679-019-00334-4

Similar Assertions

After metabolic or bariatric surgery, people experience a doubling of GLP-1 hormone levels following meals, unlike those who lose the same amount of weight through dieting. This higher hormone level is linked to feeling fuller after eating.

74%

Some people who are obese but still respond well to insulin have higher levels of a hormone called FGF21 in their blood compared to obese people whose bodies don’t respond as well to insulin—even though they weigh about the same.

71%