Soy protein powder makes one of the best alternative protein sources for vegans seeking to avoid animal based products.

For vegans and vegetarians, soy protein powder offers an excellent alternative to whey as a protein source.

Soy protein powder is an excellent source of protein for those seeking an alternative to whey protein.

Raw soy protein powder contains around 4 calories per gram of protein. The calories can rise in soy powders depending on the purity and any additives.

Soy protein powder can make an excellent protein supplement for use as a meal replacement on a weight loss diet.

The amount of protein in a soy protein powder largely depends on how refined the product is. For best results you should seek a "soy protein isolate".

Unlike other plant-based proteins, soy is the only complete protein source that provides all 9 essential amino acids.

As a general rule we would not recommend using more than two serves of soy protein powder each day.

Unfortunately soy protein powder does not provide the same capacity for muscle development as whey and other animal sourced proteins.

Pure soy protein powder is gluten free, as it is made from soy beans which do not contain gluten protein.