How long is protein powder good after expiration date?

When a protein powder is kept beyond its expiration date, it loses nutritional value and becomes less safe to use. There are a variety of reasons for this. Protein powder will start to break down once it is opened, and once it is opened, it can stay fresh for up to a month. However, once opened, the protein will start to break down faster. Protein powder will also start to break down if it is exposed to light.

How long is protein powder good before expiration?

After opening, long-lasting protein powder can stay fresh and tasty for about a month. But when stored improperly, it can turn rancid and stay good only a few weeks. For maximum freshness, store protein powder in an air-tight container in a cool, dark place. And always use within one month of opening.

How long is protein powder good after opening?

It’s hard to know how long protein powder is good after opening. Some brands will say it’s good for 30 days after opening, so definitely don’t use protein powder past the expiration date after opening it. But others will say the protein powder is good for up to 90 days past the date of opening.

How long is protein powder good after storage?

Protein powder that is stored properly can last for years after the expiration date. "Well-stored" protein powder is one that is stored in an airtight, moisture-free container in a cool, dry place. Protein powder that is exposed to high temperatures, humidity, or light will quickly lose its nutritional value, and that goes for protein powder that is expired as well.

How long is protein powder good after mixing?

After properly mixing your protein powder, you can expect the nutritional value to remain the same for about three to four weeks. This is also true for any other ingredients mixed in. The only exception is water because water is hygroscopic (it absorbs moisture from the air) and could potentially reduce the nutritional value of your protein powder.