Black currant is a plant. People use the seed oil, leaves, fruit, and flowers to make medicine.
Women use black currant seed oil for treating symptoms of menopause, premenstrual syndrome, painful periods, and breast tenderness. It is also used for boosting immunity.
Black currant berry is used for coughs and Alzheimer's disease.
Black currant dried leaf is used for arthritis, gout, joint pain (rheumatism), diarrhea, colic, hepatitis and other liver ailments, convulsions, and disorders that cause swelling (inflammation) of the mouth and throat. Black currant dried leaf is also used for treating coughs, colds, and whooping cough; disinfecting the urine; promoting urine flow; treating bladder stones, and as a cleansing tea.
Some people apply black currant leaf directly to the skin for treating wounds and insect bites.
In foods, black currant berry is used to flavor liqueurs and other products. People also eat black currant berry.
How it works
Black currant seed oil contains a chemical called gamma-linolenic acid (GLA). Some research suggests that GLA might improve the effectiveness of the immune system, making it more able to fight off disease. Black currant seed oil and leaves might also help decrease swelling.
Not ProvenHigh cholesterol
Some research suggests that taking black currant seed oil can reduce total cholesterol and blood fats called triglycerides. It also seems to increase “good” high-density lipoprotein (HDL) cholesterol.
Early research suggests that taking black currant seed oil by mouth does not reduce blood pressure in adults with borderline high blood pressure. However, it appears to reduce stress-related increases in blood pressure in adults with borderline high blood pressure.
Early research suggests that taking black currant by mouth does not improve allergy symptoms in people with Japanese cedar pollinosis.
Early research suggests that taking black currant by mouth reduces muscle fatigue or stiffness after doing repetitive tasks.
Early research shows that drinking a mixture of black currant juice and orange juice reduces markers of swelling in people with peripheral arterial disease.
Some research suggests that taking black currant seed oil by mouth reduces joint tenderness in people with rheumatoid arthritis.
Early research suggests that taking black currant by mouth reduces pain and swelling in women with circulatory problems associated with taking birth control.
Black currant is LIKELY SAFE when used as food, or when black currant berry or seed oil is used appropriately as medicine. Not enough is known about black currant dried leaf to be able to rate its safety.
Pregnancy and breast-feeding: There is not enough reliable information about the safety of taking black currant if you arepregnantor breast-feeding. Stay on the safe side and avoid use.Are there any interactions with medications?
Bleeding disorders: Black currant might slow blood clotting. There is some concern that it might increase the risk of bruising and bleeding in people with bleeding disorders.
Low blood pressure: Black currant can lower blood pressure. In theory, taking black currant might make blood pressure become too low in people with low blood pressure.
Surgery: Black currant might slow blood clotting. There is concern that it might increase the risk of extra bleeding during and after surgery. Stop taking black currant at least 2 weeks before a scheduled surgery.
ModerateMedications used during surgery (Anesthesia)
Black currant may decrease blood pressure in some people. Taking black currant along with medications used for lowering high blood pressure might cause your blood pressure to go too low. Do not take too much black currant if you are taking medications for high blood pressure.Some medications for high blood pressure include nifedipine (Adalat, Procardia), verapamil (Calan, Isoptin, Verelan), diltiazem (Cardizem), isradipine (DynaCirc), felodipine (Plendil), amlodipine (Norvasc), and others.Black currant might slow blood clotting. Taking black currant along with medications that also slow clotting might increase the chances of bruising and bleeding.Some medications that slow blood clotting include aspirin, clopidogrel (Plavix), diclofenac (Voltaren, Cataflam, others), ibuprofen (Advil, Motrin, others), naproxen (Anaprox, Naprosyn, others), dalteparin (Fragmin), enoxaparin (Lovenox), heparin, warfarin (Coumadin), and others.There is concern that black currant might interact with medications used during surgery. There is one report of seizure during surgery in someone who took a supplement containing the fatty acid gamma-linolenic acid. Black currant also contains gamma-linolenic acid. Be sure to tell your healthcare professional what natural medicines you are taking before having surgery. To be on the safe side, you should stop taking black currant at least 2 weeks before surgery.Phenothiazines
Taking black currant with phenothiazines might increase the chance of having a seizure in some people.Some phenothiazines include chlorpromazine (Thorazine), fluphenazine (Prolixin), trifluoperazine (Stelazine), thioridazine (Mellaril), and others.