These two substances from fungi might lower cholesterol by blocking a key enzyme the body uses to make it — at least in lab tests.

What we've found so far suggests that ML-236A and ML-236B may lower cholesterol by interfering with how the body produces it. Our current analysis is based on limited evidence, but what we’ve reviewed points to a specific action in laboratory settings. We analyzed the available research and found that these two compounds, which come from fungi, appear to block a key enzyme involved in cholesterol production [1]. This enzyme is necessary for the body to make cholesterol, so inhibiting it could reduce overall levels. However, this finding comes from lab-based studies, not human trials, so we don’t yet know how this effect might translate to people. The evidence we’ve reviewed leans toward the idea that ML-236A and ML-236B work by targeting this enzyme [1]. While this mechanism makes biological sense, we only have data from controlled lab environments so far. There is not enough evidence to say whether this effect happens in humans or if it leads to meaningful changes in cholesterol levels when consumed or administered. Our analysis of the available research shows that while the mechanism is plausible, we’re still missing real-world data. We don’t know about effectiveness, dosage, or safety in humans based on what we’ve reviewed so far. Practical takeaway: These compounds might interfere with cholesterol production in lab settings, but we don’t yet know if they do anything similar in people. Until more evidence is available, we can’t say whether they matter for your health.