Generally the cayennes...some people also use cayennes for tinctures in case of a cardiac event...a good all-purpose pepper to have around...
Someone else mentioned cayenne and heart attacks. I hadn’t heard it before. All I have ever heard is to put an aspirin under your tongue.
I read that if a person severs a digit, that if you will wrap it in cayenne powder and put it on ice, the cayenne will facilitate reattachment if brought to emergency room (with patient! LOL!) in a timely manner. Something about the pepper reportedly keeps the tiny capillaries and blood vessels viable.