Pre-workout formulas vary between brands, but commonly include ingredients such as caffeine, citrulline, beta-alanine, taurine and other performance-focused ingredients. Always check the individual product label for the exact formula.

Consider what you want most from your pre-workout — energy, focus, pump, endurance or a combination. Product descriptions and ingredient panels can help you compare formulas before buying.

No. Caffeine levels can vary considerably between products. Always check the serving information and caffeine content before use, particularly if you are sensitive to stimulants.

Directions vary by product, so always follow the instructions provided on the individual product label.

Many customers combine different sports supplements, but ingredients can overlap between products. Check all labels carefully and seek professional advice if you are unsure.