¹Kim JH, Oh YW, Kim DH, Seo BH, Suh HS, Choi YS. A Randomized, Placebo-Controlled Trial of Gamma Linolenic Acid as an Add-on Therapy to Minocycline for the Treatment of Rosacea. Ann Dermatol. 2020 Dec;32(6):466-472. doi: 10.5021/ad.2020.32.6.466. Epub 2020 Nov 11. PMID: 33911789; PMCID: PMC7875229.
²Safdari F, Motaghi Dastenaei B, Kheiri S, Karimiankakolaki Z. Effect of Evening Primrose Oil on Postmenopausal Psychological Symptoms: A Triple-Blind Randomized Clinical Trial. J Menopausal Med 2021;27(2):58-65.
²Sharif SN, Darsareh F. Impact of evening primrose oil consumption on psychological symptoms of postmenopausal women: a randomized double-blinded placebo-controlled clinical trial. Menopause. 2020;27(2):194-198
²Rattanatantikul T, Maiprasert M, Sugkraroek P, Bumrungpert A. Efficacy and Safety of Nutraceutical on Menopausal Symptoms in Post-Menopausal Women: A Randomized, Double-Blind, Placebo-Controlled Clinical Trial. J Diet Suppl. 2022;19(2):168-183. doi:10.1080/19390211.2020.1853648
²Cancelo Hidalgo MJ, Castelo-Branco C, Blumel JE, Lanchares Pérez JL, Alvarez De Los Heros JI; Isona Study Group. Effect of a compound containing isoflavones, primrose oil and vitamin E in two different doses on climacteric symptoms. J Obstet Gynaecol. 2006;26(4):344-347. doi:10.1080/01443610600613417
³Scientific Opinion on the substantiation of health claims related to vitamin E and protection of DNA, proteins and lipids from oxidative damage (ID 160, 162, 1947), maintenance of the normal function of the immune system (ID 161, 163), maintenance of normal bone (ID 164), maintenance of normal teeth (ID 164), maintenance of normal hair (ID 164), maintenance of normal skin (ID 164), maintenance of normal nails (ID 164), maintenance of normal cardiac function (ID 166), maintenance of normal vision by protection of the lens of the eye (ID 167), contribution to normal cognitive function (ID 182, 183), regeneration of the reduced form of vitamin C (ID 203), maintenance of normal blood circulation (ID 216) and maintenance of normal a scalp (ID 2873) pursuant to Article 13(1) of Regulation (EC) No 1924/2006