A secret except for the fact that they, you know.... told everyone.

That's literally from the FDA documentation. Pfizer made that statement after. And we all know why tromethamine was added, to stop the heart attacks.
Sux it libtard

Well, no, because it's a commonly used pH buffer in children's vaccines and has been for several decades now.

Nope....all bs.
Kyle is walking, have a nice day

Ok. It's still a commonly used pH buffer in children's vaccines and has been for several decades now, though.

Buffers have several uses. It's the reason they gave that everyone knows its bs.
That, and they gave the reason after.....bc that's the FDA document....mentioned...in the meme lol.
Not today democrat

Right, so, the use of particular interest is that of pH regulation in warmer temperatures.