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Borage oil is derived from the seeds of the borage (Borago officinalis) plant, a large plant with blue, star-shaped flowers found throughout Europe and North Africa and naturalized to North America.1
Borage oil is found primarily in supplements. Its presumed active ingredient, GLA, can also be found in black currant seed oil and evening primrose oil supplements. However, it is not known whether the effects of these three oils in the body, are the same.
Borage oil has been used in connection with the following conditions (refer to the individual health concern for complete information):
| Science Ratings | Health Concerns |
|---|---|
 | |
 | |
 | Infantile seborrheic dermatitis (topical) |
| Reliable and relatively consistent scientific data showing a substantial health benefit. Contradictory, insufficient, or preliminary studies suggesting a health benefit or minimal health benefit. For an herb, supported by traditional use but minimal or no scientific evidence. For a supplement, little scientific support and/or minimal health benefit. | |
Many people in Western societies may be at least partially GLA-deficient as a result of aging, glucose intolerance, dietary fat intake, and other problems, though the exact incidence of deficiency remains unknown. People with deficiencies benefit from supplemental GLA intake from borage oil, black currant seed oil, or evening primrose oil.
Those with premenstrual syndrome,2 diabetes,3 scleroderma,4 Sjogren’s syndrome,5 tardive dyskinesia,6 eczema,7 and other skin conditions8 may have a metabolic block that interferes with the body’s ability to make GLA. However, most clinical trials supplementing GLA for these conditions has used evening primrose oil, and not borage oil.
For the treatment of rheumatoid arthritis, the amounts of GLA from borage used in successful double-blind trials were 1.4–2.8 grams daily for at least two months.9 10 Although 360 mg of GLA daily from borage oil has been used to treat people with eczema, controlled research has not supported its use for this condition.11 Topically, 0.5 ml of borage oil may be applied to areas of seborrhea daily for two weeks, and then three times a week until the condition is stable.12
Borageseeds contain small amounts of liver toxins called pyrrolizidine alkaloids (PA). However, testing has not demonstrated the presence of the alkaloid in the seed oil.13 Most commercially available borage seed oil is, therefore, likely to be PA-free and presents no risk of PA toxicity. Minor side effects from borage oil use can include bloating, nausea, indigestion, and headache.14
At the time of writing, there were no well-known drug interactions with borage oil.
1. Wren RC. Potter’s New Cyclopedia of Botanical Drugs and Preparations. Essex, England: C.W. Daniel and Co., 1988, 41.
2. Horrobin DF, Manku M, Brush M, et al. Abnormalities in plasma essential fatty acid levels in women with pre-menstrual syndrome and with non-malignant breast disease. J Nutr Med 1991;2:259–64.
3. Keen H, Payan J, Allawi J, et al. Treatment of diabetic neuropathy with gamma-linolenic acid. Diabetes Care 1993;16:8–15.
4. Horrobin DF. Essential fatty acid metabolism in diseases of connective tissue with special reference to scleroderma and to Sjogren’s syndrome. Med Hypotheses 1984;14:233–47.
5. Horrobin DF, Campbell A. Sjogren’s syndrome and the sicca syndrome: the role of prostaglandin E1 deficiency. Treatment with essential fatty acids and vitamin C. Med Hypotheses 1980;6:225–32.
6. Vaddadi KS, Gilleard CJ. Essential fatty acids, tardive dyskinesia, and schizophrenia. In Omega-6 Essential Fatty Acids: Pathophysiology and Roles in Clinical Medicine. Horrobin DF (ed). New York: Alan R Liss, 1990, 333–43.
7. Manku MS, Horrobin, DF, Morse NL, et al. Essential fatty acids in the plasma phospholipids of patients with atopic eczema. Br J Dermatol 1984;110:643.
8. Horrobin DF. Essential fatty acids in clinical dermatology. J Am Acad Dermatol 1989;20:1045–53.
9. Leventhal LJ, Boyce EG, Zurier RB. Treatment of rheumatoid arthritis with gammalinolenic acid. Ann Intern Med 1993;119:867–73.
10. Zurier RB, Rossetti RG, Jacobson EW, et al. Gamma-linolenic acid treatment of rheumatoid arthritis. A randomized, placebo-controlled trial. Arthritis Rheum 1996;39:1808–17.
11. Landi G. Oral administration of borage oil in atopic dermatitis. J Appl Cosmetology 1993;11:115–20.
12. Tolleson A, Frithz A. Borage oil, an effective new treatment for infantile seborrhoeic dermatitis. Br J Dermatol 1993;25:95.
13. Parvais O, Vander Stricht B, Vanhaelen-Fastré R,Vanhaelen M. TLC detection of pyrrolizidine alkaloids in oil extracted from the seeds of Borago officinalis. J Planar Chromatography 1994;7:80–2.
14. Awang DVC. Borage. Can Pharm J 1990;123:121–3.
Copyright © 2007 Healthnotes, Inc. All rights reserved. www.healthnotes.com
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The information presented in Healthnotes is for informational purposes only. It is based on scientific studies (human, animal, or in vitro), clinical experience, or traditional usage as cited in each article. The results reported may not necessarily occur in all individuals. For many of the conditions discussed, treatment with prescription or over the counter medication is also available. Consult your doctor, practitioner, and/or pharmacist for any health problem and before using any supplements or before making any changes in prescribed medications. Information expires September 2008.
