Bruce, demetria and william - the only ones that make sense
C
You want to have evidence supporting the effectiveness of the supplement.
A large following doesn’t mean the person or group is not faking. The cost doesn’t determine effectiveness. And just because steps are easy to follow, it doesn’t change the fact that the supplement might not work.
A is the answer.
Influence by environment effects how you do almost everything including your health procedure. No one makes decisions based only on facts obvious. And social media influence is why there is a market on social media.