When does protein powder expire? The expiration day will depend upon the type of protein, whether or not the powder consists of additives to increase shelf lifestyle for instance maltodextrin, salt, or lecithin, as well as conditions through which you retailer it (hotter environments could bring on a shorter shelf https://httpssmokelespowderscompr43198.weblogco.com/23757318/hodgdon-h1000-no-further-a-mystery