Berkemyol® (Olive Leaf Extract — Berkem)

Olea europaea
Evidence Level
Moderate
1 Clinical Trial
3 Documented Benefits
3/5 Evidence Score

Berkemyol® is an olive (Olea europaea) leaf extract from Berkem, concentrated for oleuropein and olive polyphenols. Olive polyphenols are studied for supporting cardiovascular health and antioxidant defense.

Studied Dose Commonly 250 to 1000 mg of olive extract per day.
Active Compound Olive (Olea europaea) polyphenols, oleuropein and hydroxytyrosol.

Benefits

Cardiovascular support

Olive polyphenols such as oleuropein and hydroxytyrosol are studied for supporting healthy blood pressure and blood-vessel function.

Antioxidant defense

Hydroxytyrosol and oleuropein are powerful antioxidants that protect cells and LDL cholesterol from oxidation.

Metabolic support

Olive polyphenols are studied for supporting healthy blood-sugar and lipid markers.

Mechanism of action

1

Olive polyphenol action

Oleuropein and hydroxytyrosol support nitric-oxide-mediated blood-vessel relaxation and antioxidant defense.

2

Anti-inflammatory action

Olive polyphenols calm oxidative and inflammatory stress in blood vessels and tissues.

Clinical trials

1
Olive Polyphenols and Cardiovascular Markers — RCT
PubMed

Randomized placebo-controlled clinical trial of olive leaf extract on cardiovascular health markers. (Stevens et al. 2021, European Journal of Nutrition)

Adults.

Olive polyphenol extract supported improvements in cardiovascular health markers versus placebo.

Side effects and drug interactions

Common Potential side effects

GENERALLY WELL-TOLERATED.
Mild digestive upset is occasionally reported.
Discontinue if any unusual reaction occurs.

Important Drug interactions

Blood pressure medication — olive polyphenols may have an additive effect; monitor.
Diabetes medication — may modestly lower blood sugar; monitor.
Tell your doctor if you take cardiovascular medication.

Frequently asked questions about Berkemyol® (Olive Leaf Extract — Berkem)

What is Berkemyol® (Olive Leaf Extract — Berkem)?

Berkemyol® is an olive (Olea europaea) leaf extract from Berkem, concentrated for oleuropein and olive polyphenols. Olive polyphenols are studied for supporting cardiovascular health and antioxidant defense.

What is the recommended dosage of Berkemyol® (Olive Leaf Extract — Berkem)?

The clinically studied dose for Berkemyol® (Olive Leaf Extract — Berkem) is Commonly 250 to 1000 mg of olive extract per day.. Always follow product labeling and consult a healthcare provider for personalized dosing recommendations.

What is Berkemyol® (Olive Leaf Extract — Berkem) used for?

Berkemyol® (Olive Leaf Extract — Berkem) is studied for cardiovascular support, antioxidant defense, metabolic support. Olive polyphenols such as oleuropein and hydroxytyrosol are studied for supporting healthy blood pressure and blood-vessel function.

Are there side effects from taking Berkemyol® (Olive Leaf Extract — Berkem)?

Reported potential side effects may include: GENERALLY WELL-TOLERATED. Mild digestive upset is occasionally reported. Always consult a healthcare provider before starting any new supplement, especially if you have underlying conditions or take medications.

Is Berkemyol® (Olive Leaf Extract — Berkem) safe to take?

Whether Berkemyol® (Olive Leaf Extract — Berkem) is safe depends on the dose, your overall health, and any medications you take. At studied doses, reported side effects can include: GENERALLY WELL-TOLERATED. It may also interact with certain medications. Berkemyol® (Olive Leaf Extract — Berkem) is not suitable for everyone — consult a healthcare provider before use if you are pregnant or breastfeeding, have a medical condition, or take prescription medications.

References(1 citations)

Evidence ratings on NutraSmarts are based on the totality of human clinical research, with emphasis on randomized controlled trials, meta-analyses, and systematic reviews. The references below directly support claims made throughout this page.

  1. Stevens Y, Winkens B, Jonkers D, et al. The effect of olive leaf extract on cardiovascular health markers: a randomized placebo-controlled clinical trial. Eur J Nutr. 2021;60(4):2111-2120..PubMedUsed to support: RCT supporting cardiovascular benefit of olive polyphenols (the active in this branded olive extract).