Dr Berg is a scientologist who is estranged from
his son.
Not directly related but I just happened to come here to post these.
https://cleanlivingmomblog.com/100-supplement-vitamin-brands-bought-out-by-large-companies/
https://www.wellnessresources.com/news/who-makes-the-vitamins-you-take
Countrylife & Wild Oregon are two founder owned options.