Does Decaf Coffee Contain Tannins. Yes, scientists have discovered that decaf coffee may have some surprising health benefits. Even though it doesn’t boost cognitive performance the way regular.
Decaffeinated tea (real tea, camellia sinensis) has most or all of the tannins of regular tea. The high levels of tannins in tea may lead to nausea if you drink tea on an empty stomach. There is evidence that just like regular coffee, decaf may also reduce motor and cognitive deficits in aging.
