In simple terms, the phrase "excellent tonic" refers to something that is very good for improving or refreshing one's health or well-being.
Sentences with «excellent tonic»
This organic cold - water extract powder of the ashwagandha root is an excellent tonic for immune health, sexual vitality, and harmonized mood. (goop.com)
Red raspberry leaf is hailed as an excellent tonic for pregnancy. (health-foundations.com)
It is slightly laxative and a digestive herbal remedy and an excellent tonic. (store.newwayherbs.com)