I have about 200g of Gunpowder Temple of Heaven. I generally like this
tea and I think I have the brewing parameters about right (~1.5-2.0
g/cup for 4:00 at 160°F).

But I've noticed that after several cups, I get a mild sensation in
the back of my throat that feels more or less like heartburn. I say
"more or less" because I'm on very strong prescription medication to
control stomach acid, so I'm pretty sure it isn't really heartburn. I
haven't had that for 20 years or so.

Tea contains caffeine, which can cause a relaxation of the LES (lower
esophageal sphincter) allowing stomach acid to squirt up into the
esophagus. This sounds like it might be the problem.

On the other hand, several web sites recommend tea to aid in
digestion, especially green tea. ;-)

Others claim that herbal teas with even trace amounts of peppermint,
chamomile, ginger, licorice root, or catnip help the stomach lining
repair itself.

Is anyone else experiencing this?

Any remedies?