Return to Main PageKamwesiga J, Mutabzi V, Kayumba J, et al. Trials. 2011;12:192. Methods publication of ongoing trial to investigate effects of selenium supplementation (Seroyal) on immune function, general health and quality of life in sub-Saharan Africa.Please enter your email address to gain access. I am a practitioner Don't miss out on exclusive webinars, news, and promotions. Add me to your email list We value your privacy and would never spam you. Submit