Home › Ingredients › Oleuropein
Oleuropein in Memo Volt: Olive Leaf Polyphenol, Dose and Blood Pressure Effects
The main olive-leaf polyphenol; can lower blood pressure and blood sugar.
Oleuropein is the main polyphenol in olive leaves and unripe olives, and the compound responsible for their bitterness. Human research uses olive leaf extract at 500 to 1000mg a day, mostly looking at blood pressure and cholesterol.
Its brain-related research is preclinical, and it can lower both blood pressure and blood sugar — which matters if you take medicine for either.
- Also known as
- Olive leaf extract, Olea europaea polyphenol
- Source
- Olive leaves and unripe olives
- Dose used in research
- 500–1000mg a day of olive leaf extract; around 50–100mg a day of isolated oleuropein
- Studied for
- Blood pressure, cholesterol and antioxidant status in humans
- Evidence strength
- Moderate for blood pressure. Preclinical only for cognition
- Amount in Memo Volt
- Not published
What oleuropein is
If you have ever bitten an olive straight off a tree, oleuropein is what you tasted. It is the bitter compound the plant produces to defend itself, and it is stripped out during the curing process that makes olives edible.
It belongs to the polyphenol family and is one of the compounds credited with the health reputation of the Mediterranean diet, alongside oleocanthal from olive oil.
What the research actually shows
The best human evidence for olive leaf extract is on blood pressure. Several small randomised trials using 500 to 1000mg a day have reported modest reductions in blood pressure over six to eight weeks. Some studies also report small improvements in cholesterol.
For the brain, the research is laboratory and animal work — antioxidant activity, effects on protein aggregation in cell models, that sort of thing. Interesting as science, not evidence about people. There are no human trials showing oleuropein improves memory or cognition.
As a general point, an antioxidant effect measured in a test tube does not automatically translate into an effect in a living brain, and the history of antioxidant supplements is largely a history of that gap.
Why it is in this formula
Oleuropein is a well-known, well-tolerated polyphenol that gives a formula a legitimate antioxidant claim. That is a fair reason to include it. The claim stops at antioxidant intake — it does not extend to memory.
It is also one of several ingredients here that act on blood sugar, alongside berberine and corosolic acid, which is worth noticing when you count how much of this formula is really metabolic rather than cognitive.
The bottom line on Oleuropein
A legitimate antioxidant ingredient with real human evidence — for blood pressure, not memory. Its inclusion is defensible; any cognitive claim attached to it is not.
Remember what this page is. Everything above is about Oleuropein as a compound, at the doses used in its own research. It is not evidence about Memo Volt, because Memo Volt does not publish how much of it a capsule contains. Research on an ingredient is never the same thing as evidence about a finished product.
Oleuropein: common questions
Several small human trials of olive leaf extract at 500 to 1000mg a day have reported modest blood pressure reductions. If you already take blood pressure medicine, that additive effect is worth checking with your doctor.
There are no human trials showing oleuropein improves memory or cognition. The brain-related research is in cells and animals.
Ask a pharmacist first. Oleuropein can lower blood sugar, and this formula contains several other ingredients that do the same. Combined with diabetes medicine, that can push blood sugar lower than intended.
Other Memo Volt ingredients
Know the ingredient. Now check the price and the terms.
Current packages run from $79 a bottle down to $49, with a 60-day money-back guarantee set by the seller.
See Pricing & Packages Read the safety page before your first capsule.