The National Institute for Health and Care Excellence (NICE) has released a guideline covering the roles of community pharmacies in helping to maintain and improve the physical and mental health and wellbeing of people living in the community, including those with long-term conditions.
Community pharmacies: promoting health and wellbeing. NICE Guideline [NG102]. London: National Institute for Health and Care Excellence (NICE), August 2nd 2018.
There is plenty of supporting evidence.
There is an associated online NICE Pathways version.