
1) Quicker picker-uppers 2) They put pep in your step
Found on
https://www.crosswordclues.com/clue/stimulants

1) Uppers
Found on
https://www.crosswordclues.com/clue/stimulants

herbs that spur the circulation, increase energy and physical function
Found on
http://www.encyclo.co.uk/local/20575

Stimulants are substances that can change your mood, or produce a sense of alertness and energy. For example, caffeine.
Found on
http://www.nhs.uk/Conditions/Pages/hub.xhtml

Drugs that increase the activity of the nervous system, causing wakefulness.
Found on
http://www.translationdirectory.com/glossaries/glossary046.htm

stimulants Medications which increase heart rate, breathing rate, and brain function. Some stimulants affect only a specific organ; such as, the heart, lungs, brain, or nervous system.
Found on
http://www.wordinfo.info/words/index/info/view_unit/3904/

Drugs that stimulate the central nervous system.
Found on
https://www.sparknotes.com/psychology/psych101/glossary/terms/
No exact match found.