[2][3] It is also seen to be produced in some forms of blue-green algae;[4] however, it is most frequently found in members of the genus Capsicum.

The human nose can detect concentrations of this molecule below the part per trillion level making it one of the most odor intensive compounds on earth.

[8] A number of pharmaceutical companies have proposed various physical means of deterring such illicit uses namely by altering the method of drug delivery.

However, these physical methods only make it more difficult to extract the pseudophedrine and do nothing to prevent the chemical transformation to methamphetamine.

It poses little threat to children or pets, making its use in detergents, candles, deodorants, gums and candies quite widespread.