Well no, I’m not wrong. That article you linked is a review of reviews comparing RCTs and observational studies for medical interventions, primarily surgical st

Well no, I’m not wrong. That article you linked is a review of reviews comparing RCTs and observational studies for medical interventions, primarily surgical studies or pharmacological treatments with well characterised effects. Observational studies of supplements and nutritional interventions on the other hand have a very poor track record of RCT validation.