Erma's Nutrition Center is a Nassau Bay natural market serving the Houston Bay Area since 1967. The business offers vitamins, supplements, and homeopathic remedies, and has carried organic foods and produce since 2004. Its grocery selection includes natural and organic items, with a notable range of wheat-free, gluten-free, Paleo, and keto products. Erma's also hosts the Nassau Bay Farmers Market on Saturdays.