A heavy deadlift session has very different demands than a 10km run. A CrossFit WOD challenges your body differently than a bodybuilding pump workout. Yet many people use the same pre-workout for every type of training without considering whether it's actually optimised for what they're doing.
Understanding how different pre-workout ingredients support different types of exercise helps you match your supplementation to your training. This guide breaks down the best approaches for various workout styles.
Strength and Powerlifting
Heavy, low-rep training for maximum strength demands explosive power, mental focus, and the ability to generate peak force for brief efforts. The energy system primarily used is the phosphocreatine system, which fuels efforts lasting up to about 10 seconds.
Key Ingredients for Strength
- Caffeine (200-300mg): Enhances power output, improves focus, and reduces perceived effort. Research consistently shows caffeine benefits strength performance.
- Creatine (3-5g): Directly supports the phosphocreatine energy system. While timing isn't critical (creatine works through saturation), taking it pre-workout is convenient.
- Tyrosine (1-2g): Supports focus and mental drive under stress—valuable when psyching up for heavy lifts.
- Alpha-GPC (300-600mg): May enhance power output and mind-muscle connection.
Less Critical for Strength
Beta-alanine's endurance benefits are less relevant for very low-rep work. Pump ingredients are nice but not essential—you're chasing strength, not hypertrophy.
- Focus: Mental intensity and focus
- Key ingredients: Caffeine, creatine, tyrosine
- Avoid: Excessive stimulants that cause jitters
- Consider: Moderate doses for controlled aggression
Hypertrophy (Bodybuilding)
Training for muscle growth typically involves moderate weights, higher reps (8-15), and significant time under tension. You want sustained energy for longer sets, great pumps to drive nutrient delivery, and the endurance to complete high-volume sessions.
Key Ingredients for Hypertrophy
- Citrulline (6-8g): Essential for achieving the coveted "pump." Improves blood flow, nutrient delivery, and that full, engorged feeling during training.
- Beta-Alanine (3.2g): Helps buffer lactic acid during higher-rep sets, allowing you to push through the burn.
- Caffeine (150-250mg): Moderate doses provide energy without excessive stimulation that might interfere with the mind-muscle connection.
- Glycerol (2-3g): Enhances cellular hydration for fuller muscles and better pumps.
- Taurine (1-2g): Supports blood flow and may reduce muscle damage.
The Pump Priority
For bodybuilding-style training, pump ingredients often matter more than maximum stimulation. Many bodybuilders prefer lower-caffeine formulas with heavy doses of citrulline, arginine, and other nitric oxide boosters. The pump isn't just about aesthetics—it indicates blood flow that supports nutrient delivery and waste removal.
Look for products emphasising pump ingredients (6g+ citrulline) with moderate stimulants (200mg or less caffeine). The goal is sustained performance across many sets, not a brief explosive burst.
Endurance and Cardio
Longer-duration aerobic exercise—running, cycling, rowing—relies primarily on oxidative energy systems. You need sustained energy, fatigue resistance, and mental fortitude to push through extended efforts.
Key Ingredients for Endurance
- Caffeine (3-6mg/kg body weight): One of the most well-supported ergogenic aids for endurance. Improves performance in time trials, reduces perceived effort, and enhances fat oxidation.
- Beta-Alanine (3.2g daily, ongoing): Benefits are most pronounced for efforts lasting 1-10 minutes, but accumulated use supports longer efforts too.
- Citrulline (6g): Improves oxygen delivery and efficiency during aerobic exercise.
- Beetroot/Nitrates: Some formulas include these for enhanced oxygen efficiency. Well-supported for endurance performance.
Extended-Release Considerations
For longer sessions (60+ minutes), standard pre-workout effects may fade. Consider extended-release caffeine formulas, or time a small caffeine top-up for mid-session. Avoid excessive initial stimulation that leads to a crash.
Hydration Is Crucial
Endurance exercise means significant sweat losses. Pair your pre-workout with excellent hydration practices. Some endurance athletes prefer lighter stimulant doses to avoid the diuretic effects of high caffeine.
HIIT and CrossFit
High-intensity interval training combines elements of strength, power, and endurance in a demanding package. You need explosive energy for intense efforts, quick recovery between intervals, and the endurance to maintain performance across repeated bouts.
Key Ingredients for HIIT
- Caffeine (200-300mg): Supports both the high-intensity efforts and the repeated nature of interval work.
- Beta-Alanine (3.2g): Particularly valuable for HIIT. The work intervals typically fall right in beta-alanine's sweet spot (1-4 minute efforts).
- Citrulline (6g): Supports recovery between intervals and maintains blood flow during repeated efforts.
- Creatine (3-5g): Helps regenerate ATP during the brief rest periods, supporting repeated explosive efforts.
The Complete Package
HIIT arguably benefits from the widest range of pre-workout ingredients because it demands multiple energy systems. A well-rounded formula with adequate doses of stimulants, pump ingredients, and endurance compounds serves this training style well.
- Explosive energy for work intervals
- Quick recovery during rest periods
- Sustained performance across the session
- Mental toughness to push through fatigue
Morning vs Evening Training
Your training time affects your pre-workout choice more than many people realise.
Morning Sessions
For early training, stimulant-based pre-workout aligns well with natural cortisol rhythms. Your body is primed for stimulation in the morning, and caffeine effects will fade by bedtime. Full-strength formulas work well here.
Evening Sessions
Training after 4-5 PM with caffeinated pre-workout risks sleep disruption. Options include:
- Stimulant-free formulas: Pump and focus ingredients without caffeine
- Reduced doses: Half a serving to limit caffeine exposure
- Extended-release products: Gentler caffeine delivery that may disturb sleep less
- Know yourself: Some people tolerate evening caffeine; most don't
Sleep is when muscle recovery and growth occur. Any short-term performance boost from evening pre-workout is negated if it compromises your sleep quality. For late training, stimulant-free is usually the smart choice.
Training Fasted
Some people train before eating, whether for fat loss, convenience, or personal preference. Pre-workout considerations for fasted training:
- Expect stronger effects: Without food buffering absorption, pre-workout hits harder and faster
- Consider lower doses: Start with half your normal amount
- Watch for stomach issues: Some ingredients cause nausea on an empty stomach
- BCAAs or EAAs: Some fasted trainers add amino acids to their pre-workout to provide muscle fuel without breaking the fast (though this is debated)
Matching Products to Goals
When shopping for pre-workout, consider your primary training style:
If You Primarily Lift Heavy
Look for: Moderate stimulants (200-300mg caffeine), creatine, focus enhancers. Less emphasis needed on pump ingredients.
If You Train for Muscle Size
Look for: High citrulline (6-8g), glycerol, moderate caffeine. Pump is priority; stimulants are secondary.
If You Do Endurance Cardio
Look for: Sustained-release caffeine, beta-alanine, citrulline. Consider products marketed for endurance athletes.
If You Do HIIT/CrossFit
Look for: Well-rounded formulas with adequate doses across categories. You need a bit of everything.
If You Do Multiple Training Types
Consider having two products: a stimulant-based option for strength/HIIT days and a pump-focused option for hypertrophy or evening sessions.
The Bottom Line
The "best" pre-workout depends entirely on what you're doing with it. A formula optimised for powerlifting may be suboptimal for a bodybuilding pump session. What works for morning HIIT might ruin your sleep if used for evening cardio.
Match your supplement to your training. Consider the energy systems you're using, the duration of your session, the time of day, and your specific performance goals. With the right pre-workout for your workout, you'll get better results and a better experience.
Not sure which type suits you? Try our pre-workout finder quiz to get personalised recommendations based on your training style and goals.