Sea buckthorn (Hippophae rhamnoides)

safety

Allergies

Avoid in people with a known allergy or hypersensitivity to sea buckthorn or its constituents.

Side Effects and Warnings

Sea buckthorn is likely safe when used in food amounts, according to secondary sources.
Use cautiously in patients taking blood pressure medications such as angiotensin converting enzyme (ACE) inhibitors.
Use cautiously in patients taking blood thinners, as sea buckthorn may decrease platelet aggregation.
Use cautiously in patients taking antineoplastics (anticancer agents), as extracts of sea buckthorn may have additive effects.
Use cautiously in patients taking cyclophosphamide or farmorubicin, as sea buckthorn oil may significantly decrease their action.
Avoid higher doses than food amounts people who are pregnant or breastfeeding due to a lack of clinical data.

Pregnancy & Breastfeeding

Sea buckthorn is not recommended in pregnant or breastfeeding women due to a lack of available scientific evidence.

dosing

Adults (over 18 years old)

According to secondary sources, 1-2 cups of sea buckthorn leaf tea has been consumed daily. 1-3 seed oil capsules (500 milligrams per capsule) have been used three times daily. 3-5 milliliters sea buckthorn seed oil has been used three times daily. Up to 2 "dropperfuls" of sea buckthorn berry oil have been used three times daily.

Children (under 18 years old)

There is no proven safe or effective dose for sea buckthorn in children.

interactions

Interactions with Drugs

Sea buckthorn may interact with antibiotics or blood pressure medications such as ACE inhibitors.
Sea buckthorn may increase the risk of bleeding when taken with drugs that increase the risk of bleeding. Some examples include aspirin, anticoagulants ("blood thinners") such as warfarin (Coumadin®) or heparin, anti-platelet drugs such as clopidogrel (Plavix®), and non-steroidal anti-inflammatory drugs (NSAIDS) such as ibuprofen (Motrin®, Advil®) or naproxen (Naprosyn®, Aleve®).
Sea buckthorn may lower blood sugar levels. Caution is advised when using medications that may also lower blood sugar. Patients taking drugs for diabetes by mouth or insulin should be monitored closely by a qualified healthcare professional, including a pharmacist. Medication adjustments may be necessary.
Use cautiously if taking cholesterol-altering medications due to the risk of additive effects.
The antioxidant activity of sea buckthorn is unclear. Use cautiously with antioxidant drugs, due to possible additive effects.
Sea buckthorn oil may significantly reduce ulcer formation. Use cautiously with antiulcer medications, due to possible additive effects.
Sea buckthorn oil may significantly affect the action of some immunosuppressants and chemotherapies.
Sea buckthorn may interact with herbs and supplements that are broken down by the liver.
Sea buckthorn may have immunomodulatory activity. Use cautiously with immunosuppressants, due to possible additive effects.

Interactions with Herbs & Dietary Supplements

Sea buckthorn may have antibiotic properties. Use cautiously with herbs and supplements with antibacterial activity, due to possible additive effects.
Sea buckthorn may increase the risk of bleeding when taken with herbs and supplements that are believed to increase the risk of bleeding. Multiple cases of bleeding have been reported with the use of Ginkgo biloba, and fewer cases with garlic and saw palmetto.
Sea buckthorn may lower blood sugar levels. Caution is advised when using herbs or supplements that may also lower blood sugar. Blood glucose levels may require monitoring, and doses may need adjustment.
Sea buckthorn may have additive effects with cholesterol-altering herbs and supplements.
Use cautiously in patients with cancer or taking herbs or supplements for cancer, as there may be additive effects and side effects.
Use cautiously with other antioxidant herbs and supplements, due to possible additive effects.
Sea buckthorn oil may significantly reduce ulcer formation and have additive effects with anti-ulcer therapies.
Sea buckthorn may interact with cardioactive herbs and supplements. Caution is advised.
Sea buckthorn may interact with other herbs and supplements that are broken down by the liver.
Sea buckthorn may have immunomodulatory activity. Caution is advised when taking other herbs or supplements with immunomodulatory activity due to possible additive effects.