no, i don’t. not sure about prohealth but i thought sg has sg.iherb.com that sells nmn supplements? fda in u.s. classifies it as a drug, thus it’s no longer recognized as a legal dietary supplement where one can get it at any health stores selling supplements. this may be the reason why amazon is no longer selling it as there are legal repercussions. moreover, many 3rd party nmn supplements sold online are fake.