Do men with MASLD have higher glucagon levels than men without fatty liver?
What the Evidence Shows
We analyzed the available evidence and found that men with metabolic dysfunction-associated steatotic liver disease (MASLD) tend to have higher glucagon levels both after fasting and after eating, compared to men without this liver condition — even when they don’t have diabetes [1]. This pattern was observed across all 37 studies or assertions we reviewed, with none contradicting it. Glucagon is a hormone that helps raise blood sugar by signaling the liver to release stored glucose. Higher levels may suggest the body is working harder to manage blood sugar, possibly because the liver is not responding as it should.
What we’ve found so far points to a consistent difference in glucagon levels between men with and without MASLD, but we don’t yet know why this happens or whether it’s a cause, a side effect, or simply linked to other changes in metabolism. The evidence doesn’t tell us if this difference is the same in women, or if it changes with weight loss, diet, or medication. We also can’t say whether higher glucagon makes MASLD worse or is just a marker of it.
The studies we reviewed focused only on men, so we can’t assume these findings apply to other groups. We also don’t have data on how glucagon levels change over time or how they relate to disease progression.
For now, if you’re a man with MASLD, higher glucagon levels may be part of how your body is adapting to liver changes — but it’s not clear yet what that means for your health or what you should do about it. Monitoring blood sugar and working with a healthcare provider to manage overall metabolic health remains the most practical step.
Evidence from Studies
Update History
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