Ribes nigrum; see GLA (http://www.arthritis.org/gla.php)
Origin: Black currant seed oil is obtained from seeds of the black currant. Black currant seed oil contains 15 to 20 percent gamma-linolenic acid (GLA). Do not confuse with black currant berry.
Dosage: Liquid and capsules; typical dosage ranges from 360 mg to 3,000 mg daily.
Black currant oil may increase immune response in elderly.

























As we age the balance is tipped in favour of E2 and inflammation with a corresponding decrease in t-cell mediated immunity
The effects of BCSO then, are very positive with respect to arthritis