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Unleash insane pumps, without the stimulants. Zero caffeine. Just pure nitric oxide-fueled power to send muscle pumps into overdrive and sustain your intensity. Whether you're lifting late, avoiding caffeine, or cycling off stims, The Curse! Stim-Free Pump delivers:
- JNX Sports® stim-free pre-workout
- Zero caffeine: stimulant-free
- Powerful formulation: endurance & focus*
- Results day & night*
- 3 bestselling JNX Sports® flavors
Flavor

Why choose
THE CURSE! STIM-FREE PUMP
You demand monstrous pumps and relentless endurance, but sometimes you need to skip the caffeine. The Curse! Stim‑Free Pump is designed for lifters who crave the blood‑flowing, muscle‑swelling rush without the buzz. Each scoop overloads your nitric‑oxide pathways with active ingredients to deliver insane vascularity, strength and stamina. Train late at night without wrecking your sleep, or stack it with our stim pre‑workouts when you want to go nuclear. No jitters, no crash—just pure pumps.
FLAVORS & SERVINGS
Each tub delivers 40 scoops. Choose from mouth‑watering Sour Candy, juicy Peach Mango or electric Blue Raspberry. At roughly $1 each scoop mixes easily into water for a delicious, grit‑free experience.

HOW TO USE
Mix 1 serving with 8–12 oz of cold water and consume 20–30 minutes before training. Do not exceed 2 scoops in 24 hours. Stack with The Curse! or The Shadow! for added energy and focus. Because this product contains Beta‑Alanine, expect a harmless tingling sensation.
The Curse! Stim‑Free Pump is vegan, gluten‑free, soy‑free, sugar‑free and keto‑friendly. Manufactured in a GMP‑compliant, third‑party‑tested facility in the USA.




WHAT USERS SAY
The Curse! Stim-Free PumpIt’s been a long time since I felt a massive pump like I have the last two days that I’ve tried the product. Definitely a game changer, felt super Beastly. Most definitely my current Favorite supplement!!
The Curse! Stim-Free PumpWorks great for my late night workouts! Stacks well with The Curse! for an insane pump - highly recommend
The Curse! Stim-Free Pumpthe pump you get it crazy
The Curse! Stim-Free Pump FAQ
The Curse! Stim‑Free Pump focuses on pumps, endurance and strength without caffeine; The Curse! original pre-workout has 155 mg caffeine for energy and focus.
No. You can use The Curse! Stim‑Free Pump daily.
Yes; the Beta‑Alanine may cause a tingling sensation that signals it’s working—totally normal.
Absolutely. Pair one scoop of The Curse Stim‑Free Pump with one scoop of your favourite stimulant pre‑workout for the ultimate combo.
STACK & SAVE
Combine The Curse! Stim‑Free Pump with The Curse! or The Shadow! for energy, or pair with The Curse! Ultra Premium Whey Protein for recovery.
READY TO PUMP WITHOUT THE BUZZ?
Select your flavour and hit ADD TO CART. Get ready for veins and gains without the jitters.