KRISTEN AIKEN: ‘Dr. Michael Greger explains at his site NutritionFacts.org that all nutrients come from the sun or the soil. Cows, for example, get their nutrients from the sun and from plant-based foods like grass and hay. So if cows eat plants, and plants provide cows with all the nutrients they need, why would we assume steak is a more complete protein than the food that provides the steak with its nutrients? The answer: We shouldn’t. While it’s true that some plant proteins are relatively low in certain essential amino acids, our bodies know how to make up for it.
“It turns out our body is not stupid,” Greger explains. “It maintains pools of free amino acids that can be used to do all the complementing for us. Not to mention the massive protein recycling program our body has. Some 90 grams of protein is dumped into the digestive tract every day from our own body to get broken back down and reassembled, so our body can mix and match amino acids to whatever proportions we need, whatever we eat.” Greger told HuffPost that there’s no such thing as incomplete vegetarian protein. The only incomplete protein in the food supply is gelatin, which lacks tryptophan’. SOURCE…
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