Pre-Workout for HIIT & Cardio | Steady Energy

Battle ropes and an assault bike on a gym floor

HIIT & Cardio Pre-Workout

Not sure yet? Try the $4.99 sample pack first →

Pre-Workout for HIIT and Cardio

Intervals, circuits and long cardio sessions punish a pre-workout that spikes and fades. Fight Fuel is built around steady energy and hydration.

283mg caffeine from three sustained-release sources with 100mg L-theanine
1,100mg electrolytes, including 600mg sodium, for heavy sweat
6,000mg L-citrulline, 2,500mg beta-alanine and 2,500mg betaine
Every dose disclosed. No proprietary blends.

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

Comparison chart of Bone Labs Fight Fuel versus a standard pre-workout on energy delivery, hydration and formula transparency

Built in the USA

Made IN the USA

Formulated and manufactured by Pure Private Label, a U.S.-based production partner.

Independently Verified

Eurofins, one of the world's leading testing and certification groups, independently evaluated our manufacturing facility.

GMP Certified

Every batch is produced in a facility built and operated to GMP standards, the FDA-recognized benchmark for supplement quality and safety.

Transparent formula

Full-Disclosure Label
Every ingredient, every dose, printed in the open. Zero proprietary blends. Nothing to hide.

Formula Breakdown

Energy Complex — 283mg total caffeine

Three phase caffeine absorbtion for fast ignition and sustained output.

Caffeine Anhydrous (50mg) hits immediately.

Infinergy® Dicaffeine Malate (133mg) extends the energy without the drop.

Terracaf™ Natural Caffeine (100mg) supports long-term energy.

Paired with L-Theanine (100mg) to smooth the energy curve

Hydration & Electrolytes — 1,100mg

Designed for high-sweat environments and long training sessions where dehydration kills performance.

Sodium (600mg)

Potassium (200mg)

Magnesium (300mg)

Endurance Matrix

Delay fatigue

L-Citrulline (6,000mg) for maximum oxygen delivery and blood flow.

Beta-Alanine (2,500mg) to buffer lactic acid and delay the burn

Betaine Anhydrous (2,500mg) for cellular hydration and power output.

Focus & Resilience

Stay focused with Nootropics

L-Tyrosine (1,000mg) sharpens focus and reaction speed under fatigue.

Rhodiola Rosea (200mg) a nootropic that alleviates mental fatigue and stress.

Taurine (1,000mg) calms CNS overstimulation and supports neuromuscular function.

Pre-Workout for HIIT and Cardio

Filter

Bone Labs Fight Fuel Pre-Workout — Fruit Punch

Bone Labs Fight Fuel - Sample pack - Fruit Punch, 2 servings