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What Are the Benefits of Egg-White Protein Powder?

author image Mike Samuels
Mike Samuels started writing for his own fitness website and local publications in 2008. He graduated from Peter Symonds College in the UK with A Levels in law, business and sports science, and is a fully qualified personal trainer, sports massage therapist and corrective exercise specialist with accreditations from Premier Global International.
What Are the Benefits of Egg-White Protein Powder?
A carton of brown eggs. Photo Credit Design Pics/Design Pics/Getty Images

When picking a protein powder, you may have looked at whey, casein or even vegetarian protein supplements, like soy or hemp. One that is often overlooked, however, is egg-white protein powder. This powder has many benefits as a supplement and may also be superior to dairy or plant-based proteins for certain individuals.

Way Ahead of Whey

Whey and casein are both dairy-based, meaning they're not suitable for those with a dairy allergy. Egg-based protein powders are lactose-free, however, meaning they're a good replacement for dairy proteins, notes personal trainer and sports nutritionist Ben Greenfield. With around 25 grams of protein in a 30-gram serving, the protein content is very similar to that of whey and casein.

Different Digestion Speed

The proteins in egg whites digest at a moderate speed, according to sports scientist Jim Stoppani. Whey is a fast-digesting protein, while casein is considered slow-digesting. Because egg-white protein powder falls somewhere in the middle, it keeps muscle protein synthesis going for longer than if you consumed just whey on its own, adds Stoppani.

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Completing the Puzzle

One of the most important factors when picking a protein supplement is the amino acid content. Amino acids are the building blocks of protein. Your body can make 10 amino acids, but there are also 10 essential amino acids that must be obtained from food. A food that contains all 10 of these is known as a complete protein. Egg-white powder is a complete protein, whereas plant-based protein powders like rice and pea are incomplete.

The Skinny on Fat

While eating whole eggs may be a good way to bump up your protein intake, eggs also come with added fat and calories, which may not be in line with your goals. One large egg contains around 5 grams of fat and 6 grams of protein. You'd need four whole eggs to get the same amount of protein as you do in a serving of egg-white powder, which would mean an extra 20 grams of fat.

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