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4.95 out of 5 Based on 100+ reviews

Stop Leaving Reps on the Table

The first all-in-one intra-workout engineered for lifters who refuse to leave reps on the table.

Formulated by a world-famous biohacker.

What Real-Time Fuel Does to Performance

More Power

Push heavier. Hit more reps. Finish strong.

Zero Crash

Sustained energy from warm-up to cool-down.

Faster Recovery

Less soreness. Back in the gym sooner.

Bigger Pumps

Fuller muscles. Better nutrient delivery. All session.

Reduced Fatigue

Keep grinding when others quit early.

Sharper Focus

Locked in. Every rep. Every set.

They hit PRs they didn't think were possible.

Trusted by 10,000+ Lifters Who Refuse to Train Empty

Powered by the Intrabolic Engine™

Real-time nutrient delivery during your workout, not before, not after.

Most lifters fuel before they train or after they recover. That leaves a massive gap, the time when your muscles are actively breaking down and screaming for nutrients.

The Intrabolic Engine™

Floods your system with fast-digesting carbs, essential amino acids, and electrolytes exactly when your body is most receptive. You're not just preventing fatigue, you're fueling performance in real time, set by set.

What’s in every scoop

Every compound was selected for one purpose: maximizing performance during training.

Essential Amino Acids (EAAs):

Prevent muscle breakdown and fuel protein synthesis while you train.

Performance Carbohydrates:

Fast and sustained energy to keep glycogen stores full without crashes.

Pump & Endurance Complex:

Maximize blood flow, reduce fatigue, and extend work capacity.

mTOR Activation System:

Directly trigger muscle growth and block muscle breakdown.

Mitochondrial & ATP Boosters:

Power cellular energy production for sustained strength.

Electrolyte Matrix:

Keep muscles firing and prevent cramping mid-session.

Full ingredient list

* No caffeine or stimulants

Clinical doses.

No fillers.

No proprietary blends.

Completely transparent.

Third party tested.

Clinical doses.

No fillers.

No proprietary blends.

Completely transparent.

Third party tested.

One Scoop Replaces 10 Supplements.

Stop overpaying for an overcomplicated stack.

Spartan Fuel gives you everything in one clinically dosed scoop—and saves you hundreds of dollars in the process.

Or use 2 scoops for maximum results

Carb powder: $35

EAAs: $40

Electrolytes: $25

Creatine: $30

Beta-Alanine: $28

L-Citrulline: $35

Betaine: $22

Taurine: $18

Pink Himalayan Salt: $12

L-carnitine: $30

Total: $275+

Stop overpaying for an overcomplicated stack.

Spartan Fuel gives you everything in one clinically dosed scoop—and saves you hundreds of dollars in the process.

4.95 out of 5 Based on 100+ reviews

Spartan Fuel – All-in-one intra/pre-workout

Sustained energy through your entire workout

No mid-session crash or fatigue

Faster recovery between sets and sessions

Flavor:

Quantity:

Single Tub

$84.99

$99.99

30 Servings

The Difference Is Visible

Thousands of lifters have made the switch. Bigger pumps. Better endurance. Faster gains.

12,000+ workouts powered by Spartan Fuel

How We Stack Up

Feature

Clinically dosed ingredients

All-natural, research-backed ingedients

No artificial sweeteners

Money back guarantee

Fast-digesting carbs

Full-spectrum EAAs

Electrolyte matrix

Transparent label (no blends)

Third party tested

Formulated by biohacker

Price per serving

Try It for 30 Workouts. Risk-Free.

If you don't feel stronger, more energized, and better recovered after 30 sessions, we'll refund you. No questions asked.

Questions? We've Got Answers.

When do I take it?

Does it contain stimulants or caffeine?

Will I actually feel a difference?

Is this just overpriced Gatorade?

I already use a pre-workout. Do I need this?

Fuel Like the 1%

Limited batch production. Restocks monthly.

What Lifters Are Saying

Ready to Train at Your Peak?

4.95 out of 5 Based on 100+ reviews

Spartan Fuel – All-in-one intra/pre-workout

Sustained energy through your entire workout

No mid-session crash or fatigue

Faster recovery between sets and sessions

Flavor:

Quantity:

Single Tub

$84.99

$99.99

30 Servings