Gauntlet
Daily pre-workout sample
Clean energy, steady focus, and lasting endurance for consistent training days.
Shop full-size pre-workouts →Try the Frontline lineup
Six formulas.
One $9.99 start.
Find the formula that fits your training. Get five pre-workout samples, Amino Flood, and a limited-edition Frontline Sport Shaker—at 50% off with free shipping.
$9.99
$19.99Save 50%
Free ShippingIncluded today
Veteran Owned& operated
1,500+ 5-StarCustomer reviews
Free ShakerIncluded with your bundle
50% off today
Free shipping
Veteran owned & operated
1,500+ 5-star reviews
What’s in the box
One bundle.
Every training lane.
This is a try-before-you-buy experience built to help you find the energy, pump, focus, and recovery support that best fits your routine.
Crucible
High-stim pre-workout sample
A high-stim option for experienced users looking for intensity, drive, and endurance.
Explore high-stim options →Operation Delirium
Nootropic pre-workout sample
Energy and nootropic focus designed to help you stay locked in through every set.
View focus formulas →Manhattan Project
Thermogenic pre-workout sample
A fully loaded thermogenic pre-workout for hard-training days when you want energy and heat.
See pre-workout options →Pumpageddon
Stim-free pump sample
Stimulant-free support for pumps, vascularity, and endurance when you want to feel every rep.
Shop pump formulas →Amino Flood
Amino & hydration sample
Amino and hydration support for training, recovery, and long days in the grind.
Shop all supplements →More than a sample pack
Your free
Frontline shaker.
The limited-edition red Frontline Sport Shaker is included at no extra cost. Use it to mix your favorite pre-workout, Amino Flood, or next full-size formula.
- Durable daily-use construction
- Secure flip lid
- Bold Frontline branding
FreeLimited-edition sport shaker
A smarter first order
Try it first.
Choose confidently.
Try six formulas
Experience multiple types of pre-workout and amino support without committing to a full-size tub first.
Find your favorites
Learn what feels right for your training: high-stim energy, clean focus, pump support, or hydration.
Build your stack
When you know your favorites, shop full-size supplements or save on a curated Frontline stack.
Questions, answered
Sampler bundle FAQs
Everything you need to know before you place your first Frontline order.
What comes in the sampler bundle?
You receive five single-serve pre-workout samples—Gauntlet, Crucible, Operation Delirium, Manhattan Project, and Pumpageddon—plus one Amino Flood sample and a free red Frontline Sport Shaker.
Why is Amino Flood included?
Amino Flood gives you a chance to try amino and hydration support alongside the pre-workout lineup.
Is shipping really free?
Yes. Free shipping is included with this sampler offer. Shopify confirms the final order total at checkout.
Who should choose high-stim samples?
Crucible is a high-stim pre-workout for experienced users. Review the product details and select the formula that best fits your caffeine tolerance and training routine.
Can I buy full-size products after trying the samples?
Absolutely. Use the links below to shop full-size pre-workouts, all supplements, or curated Frontline stacks after you find your favorites.
Already know what you want?
Shop your full-size
favorite next.
Explore the complete Frontline lineup, or save when you pair proven formulas into a stack.
Start with the sampler.
Six single-serve samples, a free shaker, free shipping, and 50% off.
Sampler bundle • Free shipping