The Best Protein Powder?
When it comes to evaluating the quality of a protein, it all comes down to bioavailability and amino acid profile.
Bioavailability simply refers to how much of a particular protein people absorb. To figure this out, scientists give test subjects carefully measured amounts of protein to ingest. The scientists then play cards until the test subjects’ poop hits the Tupperware container, at which point they measure how much nitrogen is in it.
They then use the amount of nitrogen detected to calculate how much protein was in the feces and compare it to how much was ingested. The final number is referred to as the BV, or biological value. Read more…