Naturopathy isn't VAT-exempt
In France, the care exemption (art. 261-4-1° CGI) covers doctors, regulated paramedical professions and a few protected titles such as osteopath or psychologist. Naturopaths aren't included: standard VAT applies, or the small-business exemption below the thresholds.
Source : BOFiP, BOI-TVA-CHAMP-30-10-20-10 (art. 261, 4-1° du CGI)