"In the lab, polyglutamic acid, as a gel, has been found to be able to absorb moisture up to 5,000 times its own weight," says Dr. Li. "But the actual water amount retained depends on the acidity ...

Regular tomatoes contain 150–250 mg of glutamic acid per 3.5 ounces (100 grams), while cherry tomatoes provide 170–280 mg in the same serving.

MSG has an image problem. An estimated 42% of us are trying to limit or avoid MSG entirely, according to the International Food Information Council. At the same time, food companies and ...

Polyglutamic acid might not yet be part of your skincare lexicon just yet – but, if you’re looking for something to help plump, hydrate and smooth skin, it's about to become your new go-to.