Two capsules contain: Olive leaf extract (olea europaea, standardized to contain 17%-23% oleuropein) 500 mg • Hawthorn leaf and flower extract (crataegus oxyacantha, standardized to contain 1.8% vitexin-2'-rhamnoside) 300 mg. Other Ingredients: Vegetable Polysaccharide Capsule, Magnesium Stearate, Silicon Dioxide.
Brand name products often contain multiple ingredients. To read detailed information about each ingredient, click on the link for the individual ingredient shown above.
Below is general information about the effectiveness of the known ingredients contained in the product Olive Leaf Extract with Hawthorn. Some ingredients may not be listed. This information does NOT represent a recommendation for or a test of this specific product as a whole.
INSUFFICIENT RELIABLE EVIDENCE to RATE
INSUFFICIENT RELIABLE EVIDENCE to RATE
Below is general information about the safety of the known ingredients contained in the product Olive Leaf Extract with Hawthorn. Some ingredients may not be listed. This information does NOT represent a recommendation for or a test of this specific product as a whole.
POSSIBLY SAFE ...when used orally and appropriately, short-term. Hawthorn preparations in doses of up to 1800 mg daily seem to be safe when used for up to 16 weeks. Although hawthorn might be safe for long-term use, current studies have not evaluated safety past 16 weeks (8279,8280,8281,10144,17203,104689). There is insufficient reliable information available about the safety of hawthorn when used topically.
PREGNANCY AND LACTATION:
Insufficient reliable information available; avoid using.
LIKELY SAFE ...when olive fruit is used orally and appropriately in amounts commonly found in foods.
POSSIBLY SAFE ...when olive leaf extract is used orally and appropriately. Olive leaf extract providing 51-100 mg oleuropein daily has been used with apparent safety for 6-8 weeks (92245,92247,101860). There is insufficient reliable information available about the safety of olive fruit extract when used in amounts greater than those found in foods.
PREGNANCY AND LACTATION:
Insufficient reliable information available; stick with amounts commonly found in foods.
Below is general information about the interactions of the known ingredients contained in the product Olive Leaf Extract with Hawthorn. Some ingredients may not be listed. This information does NOT represent a recommendation for or a test of this specific product as a whole.
Theoretically, hawthorn may increase the risk of bleeding if used with anticoagulant or antiplatelet drugs.
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In vitro and animal research shows that hawthorn can inhibit platelet aggregation (95528,95529,95530,95531). However, its effect in humans is unclear. One observational study shows that patients taking hawthorn shortly before undergoing coronary artery bypass graft (CABG) surgery or valve replacement surgery have a 10% incidence of postoperative bleeding, compared with 1% in those who never consumed hawthorn extract (95527). However, clinical research shows that taking a specific preparation of dried hawthorn leaves and flowers (Crataesor, Soria Natural Lab) 800 mg three times daily for 15 days does not affect platelet aggregation or levels of thromboxane B2, the metabolite of thromboxane A2, in healthy humans (54664).
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Theoretically, concomitant use might cause additive effects on blood pressure and heart rate.
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Theoretically, concomitant use might cause additive coronary vasodilation and hypotensive effects.
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Theoretically, hawthorn might potentiate the effects and adverse effects of digoxin.
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Theoretically, concomitant use might cause additive coronary vasodilatory effects.
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Theoretically, concomitant use might result in additive vasodilation and hypotension.
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Hawthorn might inhibit PDE-5 and cause vasodilation (12595).
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Below is general information about the adverse effects of the known ingredients contained in the product Olive Leaf Extract with Hawthorn. Some ingredients may not be listed. This information does NOT represent a recommendation for or a test of this specific product as a whole.
General
...Orally, hawthorn seems to be well tolerated when used appropriately.
Topically, no adverse effects have been reported, although a thorough evaluation of safety outcomes has not been conducted.
Serious Adverse Effects (Rare):
Orally: Multiorgan hypersensitivity reactions resulting in acute renal failure have been reported rarely.
Cardiovascular ...Orally, tachycardia (with facial pains) of uncertain relationship to hawthorn was reported in a multicenter clinical trial (54640). Palpitations (19244) were reported in three patients in a large surveillance trial of 3,664 patients with cardiac failure (54692) and in 11 patients with congestive heart failure (CHF) in a literature review of 5,577 patients (19247). Circulation failure has been reported in two patients with CHF in a literature review of 5,577 patients (19247). Incidences of hospitalization, hospitalization due to CHF, worsening of CHF, angina, and atrial fibrillation have also been reported with the use of hawthorn extract WS 1442 (Crataegutt forte), although it is unclear if these events are related to hawthorn supplementation or existing CHF (19222). In clinical trials, chest pain (8281), short-term increases in blood pressure (19240), and other non-specific heart problems (17203) have also been reported following the use of various hawthorn preparations (e.g. WS 1442, Korodin).
Dermatologic ...Orally, erythematous rash has been reported in patients with CHF in a literature review of 5,577 patients (19247). Non-specific rashes and itching (19222,19243) as well as toxiderma from the fruits of hawthorn (54670) have also been reported.
Gastrointestinal ...Orally, rare abdominal discomfort of uncertain relationship to hawthorn has been reported in a large clinical trial, surveillance study, and a literature review (19247,54640,54692). Digestive intolerance (19241), diarrhea (19243), flatulence (8281), gastroenteritis (8281), increased bowel movements (19243), obstipation (8281), mild and rare nausea (10144,19247,19244), nutritional and metabolic problems (17203), and other non-specific gastrointestinal effects (19222), have also been reported. Furthermore, gastrointestinal hemorrhage has been reported in two patients with CHF in a literature review of 5,577 patients (19247).
Musculoskeletal ...In clinical trials, arthritis (8281), back pain (8281), weakness (19243), and other non-specific musculoskeletal effects (19222) have been reported following the use of various hawthorn preparations g. WS 1442, CKBM-A01).
Neurologic/CNS ...Orally, headache and dizziness/vertigo were reported in two patients in a large surveillance trial of 3,664 patients with cardiac failure (54692), in 15 patients with CHF as reported in a literature review of 5,577 patients (19247), and in a varying number of clinical trial participants (8281,19222,19244). Incidences of fainting (19222), fever (17203), and infrequent, mild and transient sleepiness have also been reported (19221,54692).
Psychiatric ...Orally, agitation was reported in a large surveillance trial of 3,664 patients with cardiac failure (54692).
Pulmonary/Respiratory ...Orally, bronchitis has been reported following the use of hawthorn extract WS 1442 (8281).
Renal ...A case of multiorgan hypersensitivity reaction and acute renal failure following the consumption of C. orientalis has been reported (54654).
Other ...Flu-like syndrome (8281) and other non-specific infections have been reported following the use of the hawthorn extract WS 1442 (17203,19222). Hawthorn has also been reported to cause nosebleeds (8281,10144).
General
...Orally, olive fruit is well tolerated when used in typical food amounts.
Olive leaf extract seems to be well tolerated.
Most Common Adverse Effects:
Orally: Headache and stomach discomfort.
Dermatologic ...Orally, one patient in one clinical trial reported bad skin and acne after using olive leaf extract (101860).
Gastrointestinal ...Orally, three patients in one clinical trial reported stomach ache after using olive leaf extract (101860).
Neurologic/CNS ...Orally, three patients in one clinical trial reported headache after using olive leaf extract (101860).
Psychiatric ...In one case report, a 67-year-old female experienced irritability, anger, a lack of control, and feelings of sadness and negativity after consuming a multi-ingredient product containing olive leaf extract 5 grams, horseradish root, and eyebright daily for 38 days. All psychiatric symptoms disappeared within days of stopping the combined product. It is hypothesized that the hydroxytyrosol component of olive leaf extract contributed to these symptoms due to its chemical similarity to dopamine; however, it is not clear if these symptoms were due to the olive leaf extract or to the other ingredients (96245).
Pulmonary/Respiratory ...Olive tree pollen can cause seasonal respiratory allergy (1543).
