How long do protein powders last once opened?

In order to answer this question, we looked at the protein content of a few popular brands of protein powder and estimated their shelf life based on a protein content of 20 grams per serving (e.g. 20 grams of whey protein powder in each serving would have 20 grams of protein). Using this number, the shelf life of each protein powder was calculated based on the following equation: shelf life in months = (20 grams of protein per serving) x (0.75 months per gram of protein

How long do protein powder mixes last once opened?

protein powder ingredients are expensive and have an expiry date. While this doesn't mean you should throw out your protein powder after opening, it's important to know that the nutritional value and taste of the protein powder will degrade over time.

How long does protein powder last once opened UK?

Protein powder that is sealed in a plastic bag or an aluminum can will last between two weeks and three months once opened. But the longer it's opened, the more the powder will lose its nutritional value and taste. The taste will also degrade over time, especially if it's stored in the refrigerator. Plus, the activity of the bacteria will decrease and the protein will start to break down faster.

How long does protein mix last once opened?

Protein powder will keep in sealed airtight containers in the fridge for up to three months. After three months, the powder will begin to lose protein quality, so it’s a good idea to use up any older stock. Protein powder that has been opened should be used within 30 days.

How long does a protein powder mix last once opened?

Even after you open a protein powder container, the contents will stay fresh and safe to use for several weeks. However, the nutritional value of the protein powder will reduce after a few weeks as the ingredients break down.