The Best Stim-Free Pre-Workout

Who should train caffeine-free

There are four common reasons, and they are all practical rather than ideological:

• You train late. Caffeine's half-life is roughly five hours, so a 6pm scoop is still working on you at midnight. This is the single most common reason people go stim-free.
• You already drink coffee. If you have had two or three cups before you get to the gym, a 350mg pre-workout on top is stacking, not supplementing.
• You are taking a tolerance break. Caffeine tolerance builds with regular use, and cycling off for a few weeks is a common way to get the effect back. A stim-free product lets you keep a pre-workout routine while you do it.
• Stimulants do not agree with you. Jitters, a racing heart, anxiety or a hard crash afterwards are all reasons to skip them, and none of them require a diagnosis to take seriously.

What you keep, and what you give up

What you keep is most of the formula. The "pump" side of a pre-workout runs on citrulline and related nitric-oxide ingredients, which widen blood vessels and increase blood flow to working muscle. None of that depends on caffeine. The same is true of the hydration and endurance ingredients — glycerol, betaine, electrolytes.

What you give up is caffeine, and it is worth being honest about that: caffeine is one of the most reliably evidenced performance supplements available, mainly by increasing alertness and reducing how hard a given effort feels. No stim-free formula replaces it. If you want to feel switched on, a caffeine-free product will feel like less. If what you want is blood flow and a routine you can use at 9pm, you are not really losing anything.

Stim-free pre-workouts we track (5)

Every product below contains zero caffeine. Prices and formulas change often, so check the label on the product page before buying.

• Gorilla Mode Nitric Stim-Free Pre-Workout$49.99

  Stimulant-freeNo beta-alanineCreatine

  Stimulant-free pump and performance formula with creatine and no beta-alanine.

  Key ingredients: L-Citrulline, Creatine Monohydrate, GlycerPump, Nitrosigine, Agmatine Sulfate

• Legion Pulse Caffeine-Free Pre-Workout$44.99

  Stimulant-freeBeta-alanine (tingles)Vegan

  The same naturally sweetened Pulse formula without any caffeine.

  Key ingredients: L-Citrulline Malate, Beta-Alanine, Betaine Anhydrous, Alpha-GPC, L-Theanine

• Transparent Labs Stim-Free Pre-Workout$49.99

  Stimulant-freeBeta-alanine (tingles)Vegan

  Caffeine-free training formula with full pump and endurance dosing.

  Key ingredients: Citrulline Malate, Beta-Alanine, Betaine Anhydrous, BCAA 2:1:1, Huperzine A

• Ghost Pump Non-Stim Pre-Workout$39.99

  Stimulant-freeNo beta-alanineVegan

  Stimulant-free nitric oxide product — pumps without caffeine or beta-alanine.

  Key ingredients: L-Citrulline, Arginine Nitrosigine, GlycerSize, Norvaline, Astragin

• RAW Pump Non-Stim Pre-Workout$39.99

  Stimulant-freeNo beta-alanine

  Pure stimulant-free pump product — no caffeine and no beta-alanine tingles.

  Key ingredients: L-Citrulline, GlycerPump, Nitrosigine, Agmatine Sulfate, VasoDrive-AP

How to choose between them

With caffeine off the table, three things separate this shortlist:

• Creatine — 1 of the 5: Gorilla Mode Nitric Stim-Free Pre-Workout. Worth the extra few dollars if you would otherwise be taking creatine as a separate scoop.
• Beta-alanine — 3 of the 5 leave it out: Gorilla Mode Nitric Stim-Free Pre-Workout, Ghost Pump Non-Stim Pre-Workout, RAW Pump Non-Stim Pre-Workout. Start here if the prickling is part of why you are on this page.
• Diet — 3 of the 5 are vegan: Legion Pulse Caffeine-Free Pre-Workout, Transparent Labs Stim-Free Pre-Workout, Ghost Pump Non-Stim Pre-Workout.

Pick the caffeine question at the top of our quiz and every stimulant product is filtered out before anything is scored — the same hard filter, not a ranking nudge — then the rest of your answers decide the order.

Stim-free is not the same as tingle-free

These get confused constantly. Caffeine is the stimulant; beta-alanine is the ingredient that makes your face and hands prickle, and it turns up in caffeine-free formulas just as often as in stimulant ones. If the tingling is the thing you are trying to avoid, read the best pre-workouts without beta-alanine instead — and if you want to avoid both, the overlap is Gorilla Mode Nitric Stim-Free Pre-Workout, Ghost Pump Non-Stim Pre-Workout, RAW Pump Non-Stim Pre-Workout.

Frequently asked questions

What does "stim-free" mean on a pre-workout label?

It means the formula contains no caffeine or other central-nervous-system stimulants. Everything else a pre-workout usually does — the nitric-oxide "pump" ingredients, the endurance and hydration ingredients, the focus ingredients that are not stimulants — can still be there. "Non-stim", "caffeine-free" and "pump" products are all describing the same idea.

Do stim-free pre-workouts actually do anything?

They do a narrower job. The blood-flow ingredients most of them are built on — citrulline and its relatives — do not need caffeine to work, so the pump and the training-volume side of a pre-workout survives. What you give up is caffeine itself, which is one of the best-evidenced performance supplements there is, mostly through alertness and a lower sense of effort. If you want that effect, a stim-free product is not a substitute for it.

Will a stim-free pre-workout still make me tingle?

Only if it contains beta-alanine, which is a separate ingredient from caffeine and is what causes the prickling. Of the 5 caffeine-free products we track, 3 are also beta-alanine-free: Gorilla Mode Nitric Stim-Free Pre-Workout, Ghost Pump Non-Stim Pre-Workout, RAW Pump Non-Stim Pre-Workout. Stim-free does not automatically mean tingle-free.

Can I take a stim-free pre-workout before an evening workout?

That is one of the main reasons people use them. Caffeine has a half-life of roughly five hours in most people, so a late-afternoon or evening dose can still be measurably in your system at bedtime. A caffeine-free formula avoids that problem entirely.

Which pre-workouts have no caffeine?

In the Pick My Pre catalog: Gorilla Mode Nitric Stim-Free Pre-Workout, Legion Pulse Caffeine-Free Pre-Workout, Transparent Labs Stim-Free Pre-Workout, Ghost Pump Non-Stim Pre-Workout, RAW Pump Non-Stim Pre-Workout.