Other companies are upgrading their facilities to make the 95% whey protein isolate for protein pills and bars.

FORBES: Making Whey

Currently, soy-protein isolate soy beans processed to remove carbohydrates and fat is the most common ingredient added to boost protein content in foods not naturally rich in the nutrient.

WSJ: Label Decoder: Protein Additives in Food

Ferrara couldn't prove otherwise because he wasn't able to isolate the protein and lacked enough evidence to publish his theory.

FORBES: The Single-Minded Sleuth

Using activin, a protein that promotes embryo growth that took him 20 years to isolate, he commands the cells to divide and grow.

CNN: GROWN TO ORDER