Whey protein is made via the draining of liquid milk through a filtration system.  The material that is left after this draining process is known as whey protein concentrate, and is dried to form a variety of protein supplements you see on supermarket shelves.  This concentrate contains varying degrees of the disaccharide lactose - the sugar present in milk - which contributes to the wide range of total calorie amounts in whey protein supplements.

On the other hand, pea protein is produced via the extraction of soluble pea protein from yellow split peas, followed by drying and rehydration of the produced pea flour.  Thus, pea protein is completely plant-based and is suitable for vegans, those with gluten intolerances, and individuals who must rely on a lactose-free or plant-based diet.

In general, plant-based and vegan proteins tend to be lower in calories per serving than animal-based protein supplements.

Utilizing plant-based proteins instead of animal proteins is the more sustainable option.  Most people don't realize the extent to which land is harmed in the production of meat proteins.  In fact, an article released by Roquette reveals how the land requirements for animal protein production are 10 times greater than that required for plant-based proteins.

Whey protein can be difficult for many people to digest, and might cause abdominal pain, bloating and fatigue.  However, plant-based protein is easier on our digesgtive system due to the absence of milk-derived ingredients.  Because it is lectin free, very low in phytates and contains nothing artificial, it is ideal for those with digestive issues.  Many pea proteins have a 98% digestibility rating, making it an ideal option for fueling one's body throughout the day without having to worry about digestive complications.    

Dr. Davis

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