Yes, whey protein powder does lose its protein efficiency and expire, but it lasts a good long while when stored correctly.

Yes, all protein powder can expire and spoil, but they do last a good long time first.

Yes all protein powders expire, but vegan protein powders can last sometimes up to two years.

Whey protein powder lasts a good long time, possibly as long as a couple of years, but it should not be used once the manufacturers expiry date is exceeded.

All protein powders degrade over time and beef protein powder is no different.

All protein powders expire and lose some of their protein efficiency over time and hemp protein powder is no different.

The shelf life of whey protein powder can be as high as two years if stored correctly.

Pea protein powder generally lasts for a long time when stored well. Sometimes this protein powder can last even up to two years.