Over the last year, Mannatech share price has been traded in a range of 9.25, hitting a high of 16.00, and a low of 6.75. Mannatech is listed on the CBOE trading with ticker code MTEX.US.

Carson also spoke about the health benefits he felt he’d gotten from taking Mannatech’s supplements in a video for the company and touted “glyconutrients” in a 2014 PBS special.