Greek yogurt bars, gum

Ok for Pesach? Greek yogurt bars: Organic Pasteurized Nonfat Milk, Organic Mango Swirl (Organic Mango Puree, Organic Cane Sugar, Organic Tapioca Starch, Water, Organic Locust Bean Gum, Citric Acid, Organic Annatto [Color], Natural Flavors), Organic Mango Puree,...

oats “matza”

Is it correct that the commercial oat matza-like squares which are sold as “gluten-free, not for use at the Seder” are actually ha’adama and could be used on erev Pesach Thank you