Big effect
Raspberry extract lowered a key liver enzyme by nearly 28 U/L in an 8-week trial — but all 45 patients had fatty liver disease and were also dieting.
This is one of the first controlled trials to test ellagic acid (a compound in raspberries) for fatty liver, and the drop in ALT is unusually large and statistically robust — but it was an add-on to a hypocaloric diet, so we don't know how much the supplement alone contributed, and the results may not apply to people without a diagnosed liver condition.
In an 8-week double-blind trial, 200 mg of ellagic acid (a raspberry compound) plus a low-calorie diet slashed alanine transaminase (ALT) by nearly 28 U/L in people with MASLD, a form of fatty liver disease. ALT is a blood marker of liver cell stress — a drop this size suggests notable improvement in liver health. However, the study was small, all participants were also dieting, and this is early evidence; the findings need replication before they can be generalized to healthy people or other supplement forms.
Where this fits in the evidence
This is among the first studies we've indexed on Raspberry for Reduced Alanine Transaminase Level — treat it as an early signal until more research accumulates.
The study
- Randomized Controlled Trial (RCT)
- 2025-08-28
- Inflammopharmacology
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