
“GROmuscle is the first product I’ve taken that I can instantly feel — with no crash — and feel good about taking consistently.”
Your Free GROmuscle™ Sample Kit
GROmuscle™ is the most potent, clinically dosed pre-workout stack ever developed. It gives you a chemical warm-up and flush feeling — with zero crash.
Just cover shipping · 90-day 100% money-back guarantee
When Will I Feel GROmuscle?
- Niacin begins creating the signature warm-up flush.
- L-Citrulline starts increasing nitric oxide for improved blood flow.
- 100mg natural caffeine delivers smooth, focused energy — not overstimulation.
- You’ll notice the difference before your first few exercises.
- Beta-Alanine helps buffer fatigue during intense training.
- Creatine supports explosive power and strength output.
- Agmatine + Citrulline maximize muscle pumps and nutrient delivery.
- Fully warmed up and focused — without the jitters of high-stim pre-workouts.
- Energy fades naturally — no hard crash like high-caffeine pre-workouts.
- Taurine continues supporting hydration and endurance.
- Acacia Fiber helps provide a smoother energy experience.
- No brain fog. No wired feeling. Ready for tomorrow’s workout.
- A full week of clinically dosed ingredients in your system.
- Creatine begins supporting muscle energy stores with consistent use.
- Beta-Alanine continues building toward its long-term benefits.
- Seven workouts powered by clean energy and blood flow — not massive caffeine.
Frequently Asked Questions
Real Results. Real Reviews.
Felt the flush in minutes. Clean energy, no crash, and I actually looked forward to taking it again.
The first pre-workout that didn’t leave me wired or foggy. Just clarity and steady endurance.
Recovery felt faster and smoother. No bloat, no sketchy ingredients — just what I needed.
Subtle but powerful. The NAD+ flush is real — I can train harder without the usual caffeine spike.
8 Ingredients in 1 Powerful Formula
GROmuscle™ is a precision-dosed 8-in-1 pre-workout built on real blood flow — not stimulants. Most pre-workouts hide under-dosed “proprietary blends.” We use full clinical doses of every active, so you feel it work from the first scoop, with zero crash.
Pros. Champions. NFL Vets.
“The first product I can instantly feel — with no crash — and feel good about taking consistently.”
Clean, sustained energy and real blood flow — without the caffeine crash.
Built for daily performance — focus, endurance, and recovery at the cellular level.
Powered by blood flow, not buzz — train harder without the stimulant spike.
Clarity and steady endurance — clean energy she can count on every day.
No crash, no bloat, no sketchy ingredients — just what training demands.
What They’re Saying
Replace Your Entire Pre-Workout Stack
One clinically dosed 6-in-1 formula. Here’s what you’d pay to buy it all separately — and what you’ll pay today.
Typical Performance Stack7 separate products · bought monthly
$19.99$850/mo
We built this because nothing else worked.
Klerpath started with athletes, first responders, and operators — people who can’t afford an off day. The stimulant-loaded pre-workouts on the shelf gave them a spike and a crash, never real performance. So they built their own.
GROmuscle™ fills that gap: one clinically dosed, blood-flow-driven formula that does the work of an entire stack. We refused to cut corners or hide behind proprietary blends — even when it made the product expensive to make. The goal was never cheap. It was the best.
FAQs
What’s included in the free trial?
A full 6-day supply of GROmuscle™ — six complete pre-workout servings. You only cover shipping; the product itself is free.
How does the free trial work?
Claim your trial today and pay only shipping. Use it across a full week of training so you can feel the difference before you commit to anything.
Is there caffeine in GROmuscle™?
It’s powered by blood flow, not buzz. GROmuscle™ uses L-Citrulline and NAD+ for clean, sustained energy — no high-stimulant load and no jittery crash.
Do I need to load or cycle it?
No loading phase and no cycling off. Take one clinically dosed scoop before you train — that’s the entire routine.
Is it third-party tested?
Yes. GROmuscle™ is NSF tested, GMP certified, made in the USA, and banned-substance free — built to the standard pro athletes train on.
What if I don’t feel a difference?
Then you’ve paid nothing for the product — only shipping. We’re confident the first workout is what convinces you, which is exactly why we let you try it free.
Try GROmuscle™ Free
One clinically dosed 6-in-1 scoop. Feel the blood-flow difference across a full week of training — on us.


