polyphenols
3 stories tagged "polyphenols"
Nutrition & Food
In the Lab, Coffee Flipped an Anti-Aging Switch. The Caffeine Barely Did.
Stephen Safe's lab reported that coffee's polyphenols, more than its caffeine, switch on a cellular stress-defense receptor. Every experiment ran in a dish, and the anti-aging headline traveled a great deal further than the data.
Nutrition & FoodYour Kombucha Is Only as Good as the Tea You Brewed It From
A new five-tea kombucha study finds the antioxidant punch depends almost entirely on the tea you start with, with green and oolong on top and the label never telling you.
Nutrition & FoodBrewed tea has the longevity receipts. The supplement aisle has a liver problem.
A 2025 review finds 1.5 to 2 cups of brewed tea daily correlate with about 10% lower all-cause and 14% lower cardiovascular mortality. The EGCG-extract supplements built on the same chemistry have been linked to over 100 liver-injury cases, while bubble tea can match a Coke for sugar.