Overview Olive leaf extract (OLE) is derived from the leaves of Olea europaea and is highly concentrated in oleuropein—a bitter secoiridoid glycoside—along with hydroxytyrosol, verbascoside, and other biophenols. Oleuropein is hydrolyzed in the gut to hydroxytyrosol (the most bioavailable…
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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