balanced — A balanced report, book, or other document takes into account all the different opinions on something and presents information in a fair and reasonable way.
beneficial — Something that is beneficial helps people or improves their lives.
healthful — conducive to health; wholesome or salutary: a healthful diet.
invigorating — to give vigor to; fill with life and energy; energize.
nourishing — promoting or sustaining life, growth, or strength: a nourishing diet.
nutrient — nourishing; providing nourishment or nutriment.
nutrimental — any substance or matter that, taken into a living organism, serves to sustain it in its existence, promoting growth, replacing loss, and providing energy.
nutritive — serving to nourish; providing nutriment; nutritious.
salubrious — favorable to or promoting health; healthful: salubrious air.
salutary — favorable to or promoting health; healthful.