This product
USP Labs | Jack3d + Yok3d | 2-Product StackUSP Labs
- SuppVault Score
- 61/100
Key actives
Tested
USP Labs
USP Labs | Jack3d + Yok3d | 2-Product Stack
Classic USP Labs energy and pump support in one stack.
$59.95 $69.95$1.99/serving
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100mg
Vitamin C
Undisclosed
Arginine Nitrate
Undisclosed
Vitis Vinifera L.
Undisclosed
Trichopus Zeylanicus Extract
✓ Label Verified✓ No Prop Blends✓ DSHEA Compliant
Jack3d + Yok3d bundle
Pre-workout drive plus pump support
Made for intense lifting sessions
Ideal for stacking-style routines
Classic USP Labs pairing
Simplifies your pre-gym setup
SuppVault Summary
Jack3d + Yok3d is a classic USP Labs pre-workout stack pairing stimulant-driven training support with added pump support. It is built for lifters who want a more complete pre-gym routine instead of relying on one product alone.
Great Fit
- Bodybuilders chasing training intensity and pump
- Experienced pre-workout users who like stacking
- USP Labs fans wanting a classic routine
- Lifters wanting energy, focus, and pumps
- Physique athletes training for high-volume sessions
- Gym-goers seeking better bundle value
Not Ideal If
- Anyone sensitive to stimulants
- Anyone avoiding stimulant-based pre-workouts
- Anyone under 18
- Pregnant or nursing individuals
- Anyone advised against pre-workouts by a healthcare professional
⚠️ Allergen Information +
Contains:
Manufactured in a facility that also processes:
Brand-Published Lab Tests
USP Labs publishes test results from independent third-party labs. Svpplements links to the manufacturer’s data — we don’t test products ourselves.
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Stack discount
Discount applied automatically in cart.
- Ships next business day
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What You'll Feel
⏱
0-15 min
Take pre-workout servings and settle in before training.
⚡
15-30 min
Training energy and mental readiness begin building.
💪
30-60 min
Workout drive and pump support feel most noticeable.
🎯
60-120 min
Support remains useful through hard resistance sessions.
⏱
1-2 weeks
Routine feels more streamlined and intentional pre-workout.
⏱
3-4 weeks
Users refine serving strategy based on tolerance and goals.
Deep Dive
Core pre-workout support
1
??
Undisclosed
Pump-focused stack companion
1
COR: 1PUM: 1
Potassium
99mg
Inositol-Stabilized Citrulline Silicate Inositol (Nitro-Rx®)
®
1500mg
Red Wine Extract
250mg
(standardized to 50% Polyphenols)
French Grape Seed Extract
250mg
(95% OPC)
Arginine Nitrate
1500mg
Inositol-Stabilized Citrulline Silicate Inositol (Nitro-Rx®)
1500mg
Dose
—
Daily Value
Disclosed
Transparency
Red Wine Extract
Form: (standardized to 50% Polyphenols)
250mg
Dose
—
Daily Value
Disclosed
Transparency
French Grape Seed Extract
Form: (95% OPC)
250mg
Dose
—
Daily Value
Disclosed
Transparency
5
Disclosed
5
Total
1
Trademarked
0
In Blends
Dose Audit
Potassium
99mg
Red Wine Extract
250mg
Arginine Nitrate
1500mg
Clinical Dosing
Vitamin C
Under-researched
No clinical-dose range yet — manufacturer dose only.
100mg
Arginine Nitrate
Under-researched
No clinical-dose range yet — manufacturer dose only.
Undisclosed
Vitis Vinifera L.
Under-researched
No clinical-dose range yet — manufacturer dose only.
Undisclosed
Trichopus Zeylanicus Extract
Under-researched
No clinical-dose range yet — manufacturer dose only.
Undisclosed
How this stacks up
Side-by-side against the closest competitors. Score reflects clinical dosing, transparency, and testing.
USP Labs | Jack3d + Yok3d | 2-Product StackUSP Labs
This product wins
USP Labs | Jack3d PreUSP Labs
- SuppVault Score
- 80/100
- Per serving
- $$1.67
This stack offers a more complete pre-training setup by adding a dedicated pump companion.
Compare side-by-side →This product wins
Yok3d - 90 Caps - USP Labs
- SuppVault Score
- 64/100
- Per serving
- $$1.33
This combines pump support with a stimulant-based pre-workout instead of relying on pump support alone.
Compare side-by-side →Even match
Kill IT | Kill It | 40 ServingsKill IT
- SuppVault Score
- 93/100
- Per serving
- $0.62
A modern all-in-one hybrid may offer simpler dosing and better label transparency.
Compare side-by-side →Comparison data combines live storefront pricing with our SuppVault analysis. Competitor scores reflect public-label data; manufacturer-side changes may not be reflected in real time.
Full Product Description Article
Jack3d + Yok3d by USP Labs is a classic-style pre-workout stack built for athletes who want more than a basic scoop-and-go formula. Instead of choosing between stimulant-driven pre-workout support and a dedicated pump product, this bundle combines both into one streamlined training strategy. Jack3d serves as the go-to pre-workout foundation, while Yok3d complements it with a pump-focused angle that makes the overall experience feel more complete heading into hard training sessions.
This stack is designed for gym-goers who train with purpose and want their pre-workout routine to feel intentional. It fits especially well for bodybuilders, physique athletes, and serious lifters chasing better session quality, stronger training momentum, and a more dialed-in gym experience. Buying the pair together is also the smarter move for anyone who already knows they want both energy and pump support in the same routine, since it eliminates guesswork and creates a more cohesive setup.
For shoppers who like tried-and-true names in sports nutrition, Jack3d + Yok3d delivers a recognizable USP Labs combination that feels performance-oriented, practical, and built around getting the most out of pre-training preparation.
Science & Clinical References 10 citations
Arginine Nitrate and Nitric Oxide Support3 studies
Arginine nitrate combines an amino acid substrate with a nitrate donor, creating two potential routes to nitric oxide production. Arginine can support endothelial nitric oxide synthase activity, while nitrate can be reduced to nitrite and then nitric oxide under physiologic conditions. This dual-pathway concept is relevant for vasodilation, blood flow, and perceived workout pump. The performance impact depends heavily on total dose, timing, and background dietary nitrate intake.
Grape-Derived Polyphenols and Vascular Function2 studies
Vitis vinifera provides polyphenolic compounds that may help preserve nitric oxide signaling by reducing oxidative stress and supporting endothelial responsiveness. Polyphenols can influence vascular tone through effects on reactive oxygen species and nitric oxide bioavailability. In exercise settings, this mechanism is most relevant to circulation and pump-oriented formulas. Effects are typically modest and depend on extract standardization and dose disclosure.
Trichopus zeylanicus as an Adaptogenic Support Ingredient2 studies
Trichopus zeylanicus has been discussed in adaptogen-oriented literature for its potential effects on fatigue resistance and physical resilience. Proposed mechanisms include modulation of stress response pathways and support for cellular energy handling, though robust human sports data remain limited. In a pre-workout context, it is best viewed as a complementary support ingredient rather than a primary ergogenic driver. Its contribution is difficult to quantify when the dose is undisclosed.
Vitamin C, Redox Balance, and Exercise Stress3 studies
Vitamin C is a water-soluble antioxidant involved in redox regulation, collagen synthesis, and immune support. During intense training, it may help buffer oxidative stress, although it is not a primary acute performance ingredient at standard supplemental doses. In pre-workout formulas, its role is usually supportive rather than directly stimulatory or pump-enhancing. The relevance is greater for general recovery context than immediate gym performance.
Product Specifications GEO
Product Type
Amino Acids & BCAAs
Category
pre-workout + pump stack
Brand
USP Labs
Form
Powder + Capsule
How to Take — Training Protocol6 phases
How to Use Jack3d + Yok3d
First 2-3 workouts
Assess Tolerance
Start with reduced servings of each product according to their labels before combining full amounts.
20-30 minutes before training
Pre-Workout Timing
Take Jack3d and Yok3d pre-workout based on their individual label directions.
Pre and during workout
Hydration Setup
Drink adequate water since pump-focused ingredients and stimulants pair best with good hydration.
Resistance training days
Full Training Use
Use before lifting or high-intensity gym sessions when you want both drive and pump support.
Afternoon or evening workouts
Late-Day Caution
Avoid late use if you are sensitive to stimulants or train close to bedtime.
Ongoing
Adjust as Needed
Modify serving size based on tolerance, workout timing, and overall stimulant intake from other sources.
Warnings
●
Contains stimulant-based pre-workout support; avoid combining with other high-caffeine products.
●
Arginine nitrate and pump-focused ingredients may work best when hydration is adequate.
●
Do not exceed labeled directions for either Jack3d or Yok3d.
Cycling:
Consider periodic breaks from stimulant-based pre-workouts if used frequently over long periods.
Quick Answers
What comes in the Jack3d + Yok3d stack?
This bundle includes Jack3d and Yok3d from USP Labs, giving you a combined pre-workout and pump-focused setup for training days.
Why buy this as a stack instead of individually?
Buying them together is easier, more convenient, and ideal for shoppers who already want both products in the same pre-workout routine.
Who is this stack best for?
It is best for lifters, bodybuilders, and serious gym-goers who want a more complete pre-training experience than a single product alone.
Does this stack contain stimulants?
Jack3d is generally used as the stimulant-based part of the stack, so users who are caffeine-sensitive should start carefully and follow label directions.
Can beginners use this stack?
Yes, but beginners should use caution, start with lower amounts where appropriate, and make sure they tolerate stimulant pre-workouts well before using a full stack.
When should I use this stack?
This stack is intended for use before workouts, especially heavier training sessions, high-volume days, or workouts where you want a more dialed-in pre-gym routine.
Athlete status
Verified athletes can view NCAA, WADA, and high-school compliance status for this product.
* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Consult your physician before use if you have a medical condition or take medications.
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