– how do we know when eating or drinking something with protein, that the protein on the label is actually the amount you are ingesting.
In: 25
It’s all an average. Maybe you’ll get more this serving,maybe you’ll get less. It’s just average
Generally speaking it would be illegal for the label to be inaccurate. While there is some wiggle room, it’s generally close enough.
In America? The FDA.
Protein testing usually just measures the nitrogen content of the product. Unethical manufacturers can inflate the number by spiking the supplement with useless but cheaper amino acids.
Labels cannot lie and are regulated. However, it is also known, but not actively advertised that it is also legal for around 20% error for every macro nutrient labeled.
So if label says that it has 10 grams of protein per 100 grams of product, it could be in range of 8 – 12.
The short answer is that any food manufacturer that makes a nutrient claim on a food/beverage has to be prepared to back it up with a formula breakkdown when they’re being audited.
The long answer: protein is complicated. Getting only one type of amino acid isn’t helpful unless you’re in deficit of it. Ideally, you should be getting all amino acids, including essential amino acids, from sources that have a PDCAAS (Protein Digestibility Corrected Amino Acid Score) of 1.0.
A score of 1.0 means the ratios of all proteins are present in a ratio the body can best utilize.
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