11 Oct 2009
The sublingual nitrogycerin tablets should be placed after 6 months, once the bottle is opened. Otherwise it is good until the expiry date on the bottle.
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(continued) transport nitroglycerin across/through the skin? DMSO? CAS Number 67-68-5?
... are the still good to wear
I found some old black cohosh pills. Anyone know the shelf life for these? Are they safe and/or effective if they are five years old, or so?