healthier, more healthy
Healthier is comparative of healthy.
Health is not an adjective and therefore does not have comparative and superlative forms.Healthy, however, is an adjective, with the comparative form of healthier and the superlative form of healthiest.
healthier
healthier
healthier
healthier
healthier, healthiest
healthier
The comparative form of "well" is "better" and the superlative form is "best."
healthier, healthiest
heathy
healthier, healthiest