professional association (also called a professional body, professional organization, or professional society) usually seeks to further a particular profession, the interests of individuals and organisations engaged in that profession, and the public interest. In the United States, such an association is typically a nonprofit business league for tax purposes.
I would recommend that Samuel takes Vitamin C and D but not necesarily from a supplement. He needs a nutritional diet nonetheless and needs to cut excess sodium out of his diet. I would have him return bimonthly for workups.