Pre-workout Side Effects: Is It Worth Taking? If you work out, you’ve probably heard about the slew of dietary supplements designed to boost energy levels, increase athletic performance, aid exercise ...

Pre-workout refers to dietary supplements that people can take before a workout to help maximize their training. Available as premixed drinks, powders, pills, and snack bars, manufacturers formulate ...

Pre-workout supplements can give you energy but may cause jitters or nausea, with side effects depending on the ingredients and dosage. Choose stimulant-free options or smaller doses to reduce risks.