This product may be unsafe when used before surgery or other medical procedures. Black currant oil, a substance with antioxidant activity, may have immune-boosting and anti-inflammatory properties, as well as antibacterial activity. Scientific Name(s): Ribes nigrumCommon Name(s): Black currant, Blackcurrant, European black currant, Gichtbeerblaetter, Johannisbeere (German), Kurokarin, Quincy berries, Schwarze (German), Siyah Frenkuzumu. Research is early on black currant for vision, but 50 mg is one dose that was positive for night vision enhancement, and seems a good starting point for addressing vision performance. Oboh, H. A., A. U. Osagie, and R. E. Esewe. [4, 5] Dose, Direction & Precaution. Any third party offering or advertising on this website does not constitute an endorsement by Andrew Weil, M.D. In a small, double-blind, randomized, placebo-controlled study of untrained healthy young adults 18 to 40 years of age (N=16), consumption of black currant nectar (32 oz/day; containing 200 g/day of fruit) for 8 days was investigated for its effects on muscle damage and inflammation following a session of high-intensity leg squats. The omega 3 and 6 reduces the symptoms of skin diseases. In spring, the flowers are yellowish-white, are shaped like small bells, and grow alternately in a row. Capsules of black currant oil should contain at least 45 mg of GLA. Black currant oil hair growth products are also rich in vitamin C, a nutrient which is beneficial for treating hair loss. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances. Laboratory studies have shown that polyphenols exhibit antioxidant activity in test tubes and may reduce inflammation, which plays a role in the development of chronic illness such as heart disease, certain cancers, and Alzheimer’s disease. Black currant seed oil hair products are rich in antioxidants, which is why they are highly recommended for people suffering from excessive hair loss, dry and brittle hair, lusterless hair, and other hair problems. Dosage. With regard to dosage, please ensure you follow the stipulated guidelines. ... For routine use of both evening primrose and black currant oil, I opt for a conservative dose of 20 mg per pound of body weight daily. Easy dosing at 1 capsule a day with food. This is only a brief summary of general information about this product. A lipoic acid-gamma linolenic acid conjugate is effective against multiple indices of experimental diabetic neuropathy. Drugs.com provides accurate and independent information on more than 24,000 prescription drugs, over-the-counter medicines and natural products. It is popularly used as a health supplement. Black Currant Seed from Piping Rock supplies important nutrients, including Omega-6 and Omega-3 fatty acids. For evening primrose oil capsules with maximum potency, to get the same amount of GLA the math works out to be 3,400 mg of the oil. 12. A tea made from 2 to 4 g of chopped leaves can be administered several times per day. This information should not be used to decide whether or not to take this product. Business Partners (5) News (128) Nutrastock (1) JD3075. Black Currant Oil Dose There are various uses of black currant oil, but when it is used medicinally, the typical dose is approximately 500 milligrams twice a day for no more than 2 months. Good sources of GLA include borage oil, evening primrose oil, black currant seed oil, and, to some extent, hempseed oil or ground hempseed, all of which also contain LA and other fats. These properties are related to its many nutritive constituents, which … Not enough is known about black currant dried leaf to be able to rate its safety. I recommend it frequently for skin conditions (including brittle nails and hair), arthritis, autoimmune disorders, and premenstrual syndrome. Medically reviewed by Drugs.com. In a few small, double-blind, randomized, placebo-controlled crossover trials conducted in athletes (study sizes ranging from 13 to 14 participants), benefit in some performance measures was demonstrated with short-term (7-day) consumption of New Zealand black currant extract.Cook 2015, Perkins 2015, Willems 2015 Compared with placebo, New Zealand black currant extract 300 mg/day (CurraNZ; containing 105 mg/day of anthocyanins) was associated with a significant increase in mean number of sprints (from 32 to 35; P=0.02) and total distance covered (10% greater with extract vs placebo; P=0.023),Perkins 2015 as well as in mean cycling completion time (P=0.027).Cook 2015 However, results regarding black currant's effects on physiological parameters have been equivocal; no interaction effect on physiological response, perceptual response, or recovery was found with 300 mg/day,Perkins 2015 whereas improvements in fat oxidation, lactate response, and resting cardiovascular function (ie, stroke volume, cardiac output) were observed in other studies using New Zealand black currant extracts (CurraNZ 300 mg/day or Sujon [black currant powder containing 138.6 mg of anthocyanin] 6 g/day dissolved in water).Cook 2015, Willems 2015 None of these studies demonstrated an interaction effect on cardiovascular function during performance. Stay Connected With Dr. Weil - Get Free Newsletters Right In Your Inbox, Information on this website is provided for informational purposes only and is not intended as a substitute for the advice provided by your physician or other healthcare professional. Black currant is LIKELY SAFE when used as food, or when black currant berry or seed oil is used appropriately as medicine. This article provides description about Black Currant and Borage Oil, its uses and benefits, some of its main interactions and side effects. Avoid topical oil preparations. No effects on blood pressure and pulse were noted.Ohguro 2013 In order to explore mechanisms of black currant anthocyanins in glaucomatous optic neuropathy, blood samples from the 38 patients who completed the initial trial were used to determine the effects of black currant anthocyanins on serum biomarkers regulating vessel contraction and antioxidative stress. It has also been used as an ingredient in nutraceuticals, wines, juices, and jams in China and Europe.Matsumoto 2005, Suzutani 2003 It was used as a flavoring and coloring agent in syrupus ribis fructus, or "syrup of currants" (100 parts red currants, 10 parts red cherries, and 5 parts black currants). First off, start small with 1 teaspoon a day and work your way up. Standardization of commercial products has usually been related to anthocyanin and/or vitamin C content. Sufficient evidence was found to warrant larger trials to provide further information regarding outcomes, optimal dosage, and duration of therapy.Little 2001 Two randomized, controlled trials using black currant seed oil were included in the review.Leventhal 1994, Watson 1993, In a small study in healthy male subjects (N=12), black currant berries increased urine pH (alkalinizing effect), as well as citric and oxalic acid secretion.Kessler 2002, In in vitro studies, black currant anthocyanins accelerated the regeneration of rhodopsin and produced sustained and progressive relaxation of bovine myopic ciliary muscle.Matsumoto 2003, Matsumoto 2005 A dose-dependent inhibition of enlargement of the vitreous chamber depth, as well as of axial and ocular lengths, occurred in chicks administered black currant extract.Iida 2010, In a double-blind crossover trial involving 12 subjects, a single dose of a black currant anthocyanin extract (12.5 mg, 20 mg, or 50 mg) showed a dose-dependent effect on lowering the dark adaptation threshold.Nakaishi 2000, In a randomized, double-blind, placebo-controlled trial, 40 patients with open-angle glaucoma were randomized to receive 50 mg/day of black currant anthocyanins or placebo for 2 years. The black seed oil dosage for diabetes usually varies between 1 and 3 teaspoons in a day. The black currant fruit contains high levels of polyphenols, chemical compounds that are also found in green tea, chocolate, and other berries such as blueberries. Shell Color. Softgel. Additionally, plasma antioxidant capacity was maintained at 48 hours postexercise with consumption of black currant nectar, compared with significant decreases in the placebo group (P=0.039).Hutchinson 2016, Black currant inhibited alpha-glucosidase, with effects similar to those of acarbose, suggesting potential dietary use for glycemic control in type 2 diabetes.Boath 2012, In a randomized, controlled, crossover study of 20 healthy women, consumption of black currants or lingonberries was associated with an improvement in glycemic profile; specifically a reduced late postprandial hypoglycemic response was observed.Törrönen 2012, The 2012 American College of Rheumatology guidelines on the management of gout state that the use of various oral complementary agents, including black currant, is inappropriate for the treatment of an acute gout attack.Khanna 2012, In a study evaluating the effects of black currant on the immune response of healthy elderly subjects, a dosage of six 750 mg capsules daily (4.5 g/day) of black currant seed oil (as a source of gamma-linolenic acid) did not adversely affect immune response and may have a moderate immunoenhancing effect due, in part, to its reduction of prostaglandin E2 production.Wu 1999, In vitro and animal studies evaluating the effects of black currant extracts and anthocyanins on lipid profiles produced varying (both positive and negative) results on cholesterol and triglycerides.Barre 2001, Finné Nielsen 2005, Frank 2002.
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