The vitamin E isoforms α-tocopherol and γ-tocopherol have opposite associations with spirometric parameters: the CARDIA study User hZ_e63_5344, in the Science-Based Nutrition subreddit, 15 Sep 2020
The form of vitamin E in canola, soybean and corn oils (gamma) has been tied to reduced lung function whereas that of vitamin E in olive and sunflower oils (alpha form) improves it User ChetnBernie, in the Reddit Science subreddit, 29 May 2014