How Long Does Protein Powder Last. How long can protein shakes stay refrigerated. 6-9 months past the Best-by date.
The optimal temperature for almost any protein powder is around 70F and 35 humidity. The shelf-life of the prepared protein shake depends on what type of liquid you used to liquify the powder. Vegan or plant-based protein powders are actually an exception to the rules when it comes to protein powders.
Protein powder can last for a year beyond a best-by date if stored properly.
Im like you B. What Do We Actually Know About Protein Powder. Though research suggests that whey protein has a shelf life of 919 months many protein powder manufacturers list an expiration date of 2 years after production which is likely made possible. Protein powder opened 3-6 months past the Best-by date.