vivificator

Example:His body found new vigor with the help of a restorer who advised him on dietary changes.

Definition:A person or thing that restores something; one who renews or brings back to a former state.

Example:With her rejuvenator, she successfully reversed the signs of aging and looked years younger.

Definition:A person or thing that rejuvenates; a restorative agent that restores youth, especially by physical means.

Example:The vitalizer in the gym was seen as a key feature that boosted the motivation of the members.

Definition:A person or thing that vitalizes; a restorative that gives new vitality or energy to a person or thing.