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4.95/5 Based on 100+ reviews

'I hit +2 reps on almost every lift.' - Isaac S.

Stop Leaving Reps on the Table

Complete caffeine-free intra-workout drink mix for demanding lifting sessions.

Carbs, EAAs, and electrolytes in one scoop.

Mix it in your shaker and sip while you lift.

30 day money-back guarantee

Third-party tested

Formulated by a world-famous biohacker.

A verified five-star review by Boyd Myers for a product, with the headline 'Perfect Pump!'.Two jars of Spartan Fuel supplements on an outdoor table.

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.

For the Workouts That Demand More

When leg day is kicking your ass.

Squats, presses, lunges

—and work still ahead.

When your session keeps going.

More exercises. More sets.

A longer stretch between meals.

When you train before breakfast.

Bring carbohydrate fuel

into an early session.

When you're pushing training volume.

Give your fueling the same attention

you give your program.

They hit PRs they didn't think were possible.

Trusted by Hundreds of Lifters Who Refuse to Train Empty

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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:

Watermelon

Pineapple

Quantity:

Single Tub

$84.99

$99.99

30 Servings

Most Popular

2-Tub Bundle

$144.49

$169.98

Extra 15% Off

Best Value

3-Tub Elite Stack

$203.98

$254.97

Extra 20% Off

Purchase Options:

FREE Shipping on all U.S Orders

30-Day Money-Back Guarantee

Transparent Label—No Proprietary Blends

Third-party tested

How to use

Mix one scoop in 20-30 oz of water and 2 scoops in 30-40 oz of water. Add water to desired taste.
Black container of Spartan Fuel, an intra-workout formula, on a wooden table.
Black container of Spartan Fuel, an intra-workout formula, on a wooden table.

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

A COMPLETE FORMULA. EVERY DOSE DISCLOSED

Amounts below are for two scoops (80 g). Compare one and two scoops in the table below.

42 g

CARBOHYDRATES

Carbohydrate fuel for demanding sessions.

12.5 g

ESSENTIAL AMINO ACIDS

All nine EAAs, including 4 g leucine.

750 mg

SODIUM

Plus 300 mg potassium and 278 mg magnesium.

30 one-scoop servings / 15 two-scoop servings per tub.

Also in two scoops: 3.5 g citrulline

• 2 g taurine • 3 g betaine

• 1.5 g L-carnitine • 20 mg PQQ

Full Ingredient List

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

D-ribose: $29

PQQ: $24

L-Citrulline: $35
Betaine: $22

Taurine: $18

Pink Himalayan Salt: $12
L-carnitine: $30

Total: $270+

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.

Black and gold container with a yellow background.

The Difference Is Visible

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

Thousands of workouts powered by Spartan Fuel

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How We Stack Up

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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 DAYS. Risk-Free.

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

Questions? We've Got Answers.

Fuel Like the 1%

Limited batch production. Restocks monthly.

What Lifters Are Saying

Ready to Train at Your Peak?

Slide 1 of 10

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:

Watermelon

Pineapple

Quantity:

Single Tub

$84.99

$99.99

30 Servings

Most Popular

2-Tub Bundle

$144.49

$169.98

Extra 15% Off

Best Value

3-Tub Elite Stack

$203.98

$254.97

Extra 20% Off

Purchase Options:

FREE Shipping on all U.S Orders

30-Day Money-Back Guarantee

Transparent Label—No Proprietary Blends

Third-party tested

How to use

Mix one scoop in 20-30 oz of water and 2 scoops in 30-40 oz of water. Add water to desired taste.
Black container of Spartan Fuel, an intra-workout formula, on a wooden table.
Black container of Spartan Fuel, an intra-workout formula, on a wooden table.