Funding for this research was provided by:
The Nature's Bounty Co
Received: 3 July 2019
Accepted: 14 November 2019
First Online: 26 November 2019
Ethics approval and consent to participate
: The study design and its procedures were approved by the University of Mary Hardin-Baylor Institutional Review Board. All participants completed an informed consent form prior to their participation in this study.
: Not applicable.
: Author CD and ZZ are currently employed by Nature’s Bounty. Author SM was employed by Nature’s Bounty. All authors declare no other competing interests.