Overview Plant sterols (phytosterols) and their saturated analogs, stanols (phytostanols), are naturally occurring structural components of plant cell membranes that are chemically similar to cholesterol—the key difference being a methyl or ethyl group at carbon-24. They occur naturally in…
In the full monograph
- What it is, and how it works
- What the evidence shows — randomized trials, observational data, animal studies, graded and cited
- Dose, form, and timing
- What to expect, and how soon
- Who should be careful, and what to check first
- The verdict
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