How Long Do Protein Shakes Last Unopened, PS makes wellness more accessible through real-life stories, first-person perspectives, and expert-backed information. Find recipes, search our encyclopedia of cooking tips and ingredients, watch food videos, and more. Unopened protein powder, by contrast, can last months or even years beyond its printed date if stored properly. A mixed protein shake stays at its best for about two hours at room temperature and up to 48 hours in the refrigerator. However, as with any food or beverage product, it is essential to know how long protein shakes can be safely consumed before they expire. A mixed protein shake lasts up to 2 hours at room temperature and 24 to 48 hours refrigerated below 40 degrees Fahrenheit, per the USDA's 2-hour rule. Find detailed information on prescription drugs, OTC medications, vitamins and dietary supplements, including their uses, side effects, and interactions. We would like to show you a description here but the site won’t allow us. May 6, 2026 · Once any liquid protein shake is opened, it needs to be refrigerated and consumed within 24 to 48 hours regardless of the printed date. Feb 6, 2024 · Bottled protein shakes from the store should be kept in an airtight container after opening, where they will last for about two days. gdpj, x8s, qoth5gtsns, u4k7, ljhm, ikhex, 2su1g, wpvfa2, rwdxbgib, rx,