We’ve conducted an analysis of Six Star 100% Whey Protein and 21st Century Whey Protein. Six Star 100% Whey Protein is the winner in this comparison and gets 8.8 VSR. Its competitor 21st Century Whey Protein gains 7.6 VSR. The rating was affected in the first place by the price, the cost of 25 grams of pure protein of Six Star 100% Whey Protein is $ 1.26 as against $ 0.94 of 21st Century Whey Protein. The serving of Six Star 100% Whey Protein contains 32 grams protein as against 20 grams in one 21st Century Whey Protein serving. At the same time, a serving of Six Star 100% Whey Protein costs $ 1.61, and a serving of 21st Century Whey Protein costs $ 0.75.
The Six Star 100% Whey Protein composition contains minerals in an amount of 3 as against 8 in 21st Century Whey Protein.
Six Star releases 2 flavors of 100% Whey Protein. 21st Century produces 3 flavors of Whey Protein.
Six Star 100% Whey Protein is available in 3 sizes. 21st Century produces 3 different sizes of Whey Protein.
We recommend buying Six Star 100% Whey Protein.