#1 Nitric Oxide Booster!
Arginine Citrulline™
Arginine Citrulline™
Endurance
Blood Flow
Energy Boost
Muscle Pump
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Arginine Citrulline™
Frequently Asked Questions
Frequently Asked Questions
1. What does Arginine Citrulline™ do?
Our formula is designed to boost nitric oxide levels, supporting healthy blood flow, muscle pumps, and endurance. With a powerful blend of L-Arginine + L-Citrulline, it helps maximize workout performance, stamina, and recovery.
2. When should I take it?
Most people take 4 capsules daily, either:
Pre-workout for better pumps & energy
During the day to support circulation
Before activities that demand stamina & focus
3. Will it make me jittery?
Not at all. Arginine Citrulline™ is stimulant-free. It enhances performance and blood flow naturally—without caffeine, crashes, or jitters. Perfect for clean, sustained energy.
4. Is it habit-forming?
Nope! Our formula is non-addictive, non-GMO, and safe for daily use. It’s designed for long-term support of circulation, energy, and performance.
5. What makes Arginine Citrulline™ different?
3000 mg total per serving
2000 mg L-Citrulline + 1000 mg L-Arginine
Quick-release capsules for smooth absorption
Pure formula—no artificial flavors, gluten-free, non-GMO
6. Is there a guarantee?
Yes. You’re covered by our 30-day, no-questions-asked guarantee. Don’t feel the results? Get a 100% refund—simple as that.
About Us
About Us
Formulated by Science. Built for Life.
At SYNRG, we don’t chase trends—we follow the research. Our mission is simple: to create high-performance supplements that actually work. Every ingredient we use is backed by clinical science, and every formula is crafted with care, clarity, and uncompromising standards.
Wellness, Simplified
We believe wellness should feel powerful—not complicated. Whether it’s calming the mind, fueling sharper focus, or optimizing recovery, our products are designed to support your body’s natural balance, without shortcuts or synthetic fillers.
What Sets SYNRG Apart
Clean, effective formulas
Clinically studied ingredients
GMO-free, gluten-free, lab-tested
Formulated for results—not hype
Invest in Your Longevity
With SYNRG, you're not just supplementing your health—you’re investing in your longevity.
30-Day Money Back
30-Day Money Back
Try SYNRG Risk-Free
We’re confident in the science, the purity, and the results behind every supplement we make. That’s why we offer a 30-day, no-questions-asked money-back guarantee.
If you don’t feel a difference in your focus, calm, sleep, or overall well-being, just let us know.
We’ll refund your purchase—no hassle, no stress.
Because wellness should come with confidence.
Why Arginine Citrulline?
Here are four compelling reasons why someone should take SYNRG Boost blood flow, energy, and performance
Promotes Healthy Blood Flow & Circulation
L-Arginine and L-Citrulline work together to boost nitric oxide, helping your body deliver oxygen and nutrients more efficiently.
Enhances Muscle Pump, Strength & Vascularity
Experience fuller pumps, improved strength, and better performance during every workout.
Boosts Clean Energy, Stamina & Endurance
Support longer training sessions with natural, stimulant-free energy and reduced workout fatigue.
Supports Faster Recovery & Less Fatigue
Improve post-workout recovery, reduce muscle soreness, and keep your body ready for the next session.
40,000+ Sold!
Join thousands of people who have seen life-changing results with our product.
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Amazing Pumps and Energy!
I’ve tried a lot of pre-workout supplements, but Arginine Citrulline™ really stands out. Within the first week, I noticed stronger pumps, better endurance, and way less fatigue after training. The fact that it’s stimulant-free means I can take it anytime without worrying about jitters or crashes. Highly recommend for anyone serious about performance!
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Incredible Results for Workouts!
I’ve been taking Arginine Citrulline™ for about a month now, and the difference is night and day. My pumps are bigger, my energy lasts longer, and I recover so much faster after intense training. It’s clean, effective, and honestly one of the best supplements I’ve added to my routine.
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Perfect for Energy and Circulation!
I started using Arginine Citrulline™ to support my energy and overall circulation, and I can honestly feel the difference. My workouts feel smoother, my stamina has improved, and I even notice better recovery throughout the day. It’s clean, effective, and gives me exactly what I need without any side effects.
Our happy customers aren't just reviews;
they're living proof that our formula delivers real results.
Made In U.S.A
Free Of Side Effects
3 Years Of Research
Made In U.S.A
Free Of Side Effects
3 Years Of Research
Made In U.S.A
Free Of Side Effects
3 Years Of Research
Made In U.S.A
Free Of Side Effects
3 Years Of Research
Made In U.S.A
Free Of Side Effects
3 Years Of Research
Made In U.S.A
Free Of Side Effects
3 Years Of Research
Made In U.S.A
Free Of Side Effects
3 Years Of Research
Made In U.S.A
Free Of Side Effects
3 Years Of Research
Made In U.S.A
Free Of Side Effects
3 Years Of Research
Made In U.S.A
Free Of Side Effects
3 Years Of Research
Made In U.S.A
Free Of Side Effects
3 Years Of Research
Made In U.S.A
Free Of Side Effects
3 Years Of Research
🔒 The SYNRG Guarantee
We stand by the power of performance. That’s why every purchase of Arginine Citrulline™ is backed by our 30-day money-back guarantee. Experience noticeable improvements in your muscle pump, energy, stamina, and recovery—or receive a full refund, no questions asked.
You’ve got nothing to lose—except fatigue and slow progress.
Trustpilot reviews
Excellent 4.8 / 5
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Game Changer for Workouts
Arginine Citrulline™ has completely transformed my workouts. The pumps are incredible, and I feel stronger and more energized every session. No jitters, no crash—just clean performance. Highly recommend it to anyone looking to step up their training.
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Clean Energy & Faster Recovery
I was looking for something natural to boost my energy without caffeine, and this is it! I recover faster, I don’t feel as sore, and I can push myself harder. Arginine Citrulline™ is definitely staying in my daily routine.
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Noticeable Circulation Support
I started taking Arginine Citrulline™ not only for the gym but also for better circulation overall. Within a couple of weeks, I noticed real improvements in stamina and endurance. This product truly delivers what it promises.
