Look at the Seventh-day Adventist Church. Their belief isn’t necessarily yeast but dietary standards in general. Promotion of a vegetarian/vegan diet, and rem

Look at the Seventh-day Adventist Church. Their belief isn’t necessarily yeast but dietary standards in general. Promotion of a vegetarian/vegan diet, and removal of alcohol, coffee, and sugar since the late 1800’s. As far as I know the dietary standards include the promotion of the effects of gut bateria, and the ill effects of eating things like warm bread but not necessarily removal of yeast.