If you are feeling low or need a quick energy boost, there are a variety of synonyms that can be used instead of "pick me up". The term "energize" can be used to describe something that boosts physical or mental energy. "Refresh" is another word indicating a rejuvenating effect. "Revitalize" indicates a revitalizing effect for both body and mind. "Stimulate" is another potential alternative, referring to energizing the mind especially. "Spark" can also describe an energy boost or a sudden burst of creativity or inspiration. Whether you're in need of a quick mental boost or a physical jolt, these synonyms can help you communicate your message effectively.