One of these is an over-the-counter nutritional supplement and another two of these have been FDA approved (for other indications).
wˈʌn ʌv ðiːz ɪz ɐn ˌoʊvɚðəkˈaʊntɚ njuːtɹˈɪʃənəl sˈʌplɪmənt ænd ɐnˈʌðɚ tˈuː ʌv ðiːz hɐvbɪn ˌɛfdˌiːˈeɪ ɐpɹˈuːvd fɔːɹ ˈʌðɚɹ ˌɪndɪkˈeɪʃənz.