This product
Bucked Up | PeakO2 | 60 ServingsBucked Up
- SuppVault Score
- 80/100
- Per serving
- $0.42
Key actives
Tested
Bucked Up
Bucked Up | PeakO2 | 60 Servings
6g Citrulline, 200mg Caffeine, Fully Disclosed Performance Support
$24.99 $0.41/serving
Only 4 left in stock
6000mg
Citrulline Malate 2:1
2000mg
Beta-Alanine
3200-6400mg
200mg
Caffeine Anhydrous
200-400mg
200mg
AlphaSize® Alpha GPC
✓ Label Verified✓ No Prop Blends⚠ Review Advised
6,000mg Citrulline Malate — meaningful pump support
200mg Caffeine — moderate, noticeable energy
2,000mg Beta-Alanine — daily endurance support
200mg Alpha-GPC — focus support
PeakO2 mushroom blend — adaptogenic performance layer
AstraGin + ActiGin — absorption support
Astragin™
Alphasize™
Actigin™
Product Intelligence
📊 60 clinical / 100 value servings
Featuring:
AlphaSize® by Chemi NutraAstraGin® by NuLiv ScienceActiGin® by NuLiv Science
⚠️ Contains proprietary blend (6 ingredients)
1. Cordyceps (Cordyceps militaris) (fruiting body)2. Reishi (Ganoderma lucidum) (fruiting body)3. King Trumpet (Pleurotus eryngii) (fruiting body)4. Shiitake (Lentinula edodes) (fruiting body)5. Lion's Mane (Hericium erinaceus) (fruiting body)6. Turkey Tail (Trametes versicolor) (fruiting body)
SuppVault Summary
A moderate-stim pre-workout built for reliable gym performance, not hype. It pairs 6,000mg citrulline malate for pump support with 200mg caffeine for noticeable energy and drive, plus beta-alanine, electrolytes, and a mushroom blend to round out training feel.
Great Fit
- Intermediate lifters chasing pump and set-to-set stamina
- After-work trainees wanting manageable pre-workout energy
- Functional fitness users needing moderate drive and endurance
- Pre-workout users avoiding ultra-high stimulant formulas
- Lifters wanting classic pump-energy-focus formula design
- Gym users who value balanced training feel
- Athletes wanting moderate caffeine with pump support
Not Ideal If
- Stimulant-sensitive users or anyone prone to anxiety, palpitations, or sleep ...
- Anyone under 18, pregnant, or nursing.
- People stacking multiple caffeine products in the same window.
- Those expecting a fully disclosed mushroom dosing panel.
- Users wanting a stim-free pre-workout option.
⚠️ Allergen Information +
Contains:
Manufactured in a facility that also processes:
Composition Details
Delivery Tech:
Malate Salt
Brand-Published Lab Tests
Bucked Up 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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- Ships today if ordered before 3:00 PM ET
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Timing & Effects
When
Pre workout
Time
Avoid evening
What You'll Feel
⏱
0-10 min
Little felt yet; caffeine absorption begins.
⚡
10-20 min
Energy and readiness rise; mild tingles possible.
💪
20-40 min
Best training window for energy, focus, and pump.
🎯
40-90 min
Performance remains steady through most sessions.
⏱
1-2 weeks
Daily beta-alanine use may improve burn tolerance.
⏱
3-4 weeks
Training feel becomes more consistent with routine use.
Formula Deep Dive
Deep Dive
Vitamin
1
Vb
Vitamin B12
100mcg
Electrolyte
2
So
Sodium
39mg
Hp
Himalayan Rock Salt
100mg
Pump
1
Lu
Citrulline Malate 2:1
6000mg
Clinical
Endurance
2
Be
Beta-Alanine
2000mg
Ta
Taurine
100mg
Below
Energy
1
Ca
Caffeine Anhydrous
200mg
Clinical
Focus
1
Al
AlphaSize Alpha GPC
Absorption
1
As
AstraGin
25mg
Adaptogen
1
AC
ActiGin
25mg
Vitamin: 1Electrolyte: 2Pump: 1Endurance: 2Energy: 1Focus: 1Absorption: 1Adaptogen: 1
Himalayan Rock Salt — with Trace Minerals
100mg
Dose
—
Daily Value
Disclosed
Transparency
AstraGin® (Astragalus, Panax Notoginseng) (25mg)
—
Dose
—
Daily Value
Disclosed
Transparency
ActiGin® (Panax Notoginseng, Rosa Roxburghii) (25mg)
—
Dose
—
Daily Value
Disclosed
Transparency
8
Disclosed
10
Total
0
Trademarked
0
In Blends
Dose Audit
Vitamin B12
100mcg
Sodium
39mg
Citrulline Malate 21
6000mg
Beta-Alanine
2000mg
Caffeine Anhydrous
200mg
AlphaSize® Alpha GPC
200mg
Taurine
100mg
BASE
Bucked Up | PeakO2 | 60 Servings
$24.99
$39.95$0.79/srv
50 servings
This formula does not include creatine, which makes a standalone 3-5g daily creatine product an ideal pairing. Creatine supports phosphocreatine regeneration for short-burst power and strength, complementing the beta-alanine fatigue-buffering pathway and citrulline-driven training quality.
Take daily; can be taken with this product pre-workout or any other time of day
Electrolyte/Hydration FormulaHYDRATION
The sodium support in this formula is modest, so a dedicated hydration product makes sense for long sessions, heavy sweaters, hot environments, or conditioning-focused athletes. This improves fluid balance and muscle function while the pre-workout handles pump, energy, and focus.
Use pre-, intra-, or post-workout depending on sweat loss and session length
Intra-Workout Carbohydrate PowderENDURANCE
Citrulline improves delivery, but blood flow is only part of the equation during hard training. Adding fast-digesting carbohydrates supports glycogen availability and repeated high-output performance, especially in bodybuilding volume sessions or long conditioning work.
Sip during training, especially for sessions over 60 minutes
Standalone Beta-AlanineENDURANCE
Because this formula provides 2g beta-alanine rather than the commonly studied 3.2g+ daily target, a separate beta-alanine product can help you reach full loading levels. That is the simplest way to close the gap between a useful inclusion and a fully literature-aligned protocol.
Take daily, any time; can split doses to improve comfort
Whey Isolate or Post-Workout ProteinRECOVERY
This pre-workout improves session quality, but it does not address post-training amino acid delivery. Pairing it with a high-quality protein supports muscle repair and adaptation after the training stimulus created by the formula.
Use after training or whenever needed to hit daily protein intake
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Per Day
Includes base product + selected items
Bucked Up | PeakO2 | 60 Servings80
$24.99
This Product
$/srv: $1.50
This Product WinsChoose this if you want built-in caffeine and a simpler all-in-one pre-workout experience.
$/srv: $1.67
ThemWoke AF has the edge for users specifically wanting a more aggressive stimulant experience.
$/srv: $1.50
TiePick this formula for stronger energy, or 100 Series for a lighter daily caffeine hit.
$/srv: $2.00
ThemGorilla Mode generally wins on full disclosure and broader clinical dosing depth.
Clinical Dosing
Clinical Dosing
Citrulline Malate 2:1
Under-researched
No clinical-dose range yet — manufacturer dose only.
6000mg
Beta-Alanine
Under-researched
No clinical-dose range yet — manufacturer dose only.
2000mg
Caffeine Anhydrous
Under-researched
No clinical-dose range yet — manufacturer dose only.
200mg
AlphaSize® Alpha GPC
Under-researched
No clinical-dose range yet — manufacturer dose only.
200mg
Frequently bought together
ComparisonHow this stacks up
Side-by-side against the closest competitors. Score reflects clinical dosing, transparency, and testing.
Bucked Up | PeakO2 | 60 ServingsBucked Up
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- SuppVault Score
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- Per serving
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- Per serving
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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.
More Information
Full Product Description Article
Bucked Up PeakO2 Adaptogenic Performance Powder is, in practical terms, a moderate-stim pre-workout built around a classic gym-performance architecture: nitric oxide support for pump and blood flow, beta-alanine for fatigue resistance, caffeine for acute drive and alertness, and a small nootropic/electrolyte layer to improve training feel. The formula strategy is not exotic, and that is part of its appeal. It prioritizes ingredients with known ergogenic roles over flashy label decoration.
The anchor here is 6,000mg of citrulline malate 2:1. That places this formula in the clinically meaningful range for citrulline-based pre-workouts. Citrulline is converted to arginine in the kidneys more efficiently than taking arginine itself, increasing nitric oxide production and supporting vasodilation. In the gym, that translates to a fuller pump, better blood flow to working muscle, and often better tolerance to high-volume training. At 6g, this is not a token inclusion. It is the ingredient doing the heavy lifting for the formula’s “performance powder” identity.
Beta-alanine is included at 2,000mg. Research support for beta-alanine is strong, particularly for high-intensity efforts lasting roughly 1-10 minutes, with the best-studied daily range typically 3.2-6.4g. Mechanistically, beta-alanine raises intramuscular carnosine over time, helping buffer hydrogen ions that accumulate during hard work and contribute to that familiar burning fatigue. The honest read: 2g per serving is useful, but below the common full clinical daily target. If taken consistently every day, it contributes to carnosine loading; if you only use it on training days, you should expect less of the full literature-backed effect.
Caffeine anhydrous at 200mg gives this formula its immediate pre-workout character. This is enough for a meaningful increase in alertness, reduced perceived exertion, and stronger training intent without pushing into aggressive high-stim territory. For many users, 200mg is the sweet spot: noticeable energy, better focus, and improved output without the wired, overly sympathetic feel that larger doses can create.
AlphaSize Alpha GPC at 200mg supports the cognitive side of performance. Alpha GPC is a choline donor used to support acetylcholine production, a neurotransmitter involved in focus and neuromuscular signaling. At this dose, it is better described as supportive than fully loaded compared with higher-end nootropic pre-workouts, but it still adds a cleaner, more intentional mental feel than caffeine alone.
Taurine is present at 100mg, which is far below the doses commonly used in taurine performance studies. Taurine has moderate evidence for endurance-related benefits and is often used to support cell hydration and exercise output, but 100mg is not a standout dose. Similarly, the sodium layer is modest: 39mg declared sodium plus 100mg Himalayan rock salt with trace minerals. This is not a full electrolyte formula, but it does add a small hydration and contraction-supporting component.
AstraGin and ActiGin are included at 25mg each. These are commonly used as support ingredients for nutrient uptake and performance support, but they are not the primary reason to buy this formula. Their inclusion is a finishing detail, not the performance engine.
The system-level synergy is clear: citrulline improves delivery, caffeine improves drive, beta-alanine helps delay local fatigue over time, Alpha GPC adds a focus layer, and the small hydration/absorption components round out the experience. Transparency is strong because the label is fully disclosed, with no proprietary blend hiding dosages. The only caveat is dose realism: citrulline and caffeine are well-positioned, beta-alanine is useful but below classic full clinical daily loading, and taurine is clearly underdosed.
What to expect: on day 1, the most noticeable effects are energy, training readiness, and a better pump. Over 2-4 weeks of consistent use, beta-alanine becomes more relevant as muscle carnosine rises, improving tolerance to repeated hard sets and glycolytic fatigue. This is a solid, honest, moderate-stim pre-workout with one genuinely strong clinical anchor: 6g citrulline malate.
Science & Clinical References 4 citations
Citrulline and Nitric Oxide Support0 studies
Citrulline bypasses substantial intestinal and hepatic metabolism and is converted to arginine in the kidneys, making it a more reliable precursor to systemic arginine than oral arginine itself. Higher arginine availability supports endothelial nitric oxide synthase activity, which can improve vasodilation and blood flow during exercise. In practice, this mechanism is most relevant for pump, training volume tolerance, and perceived muscle fullness. The malate component may also contribute modestly to energy metabolism, though citrulline is the primary ergogenic driver here.
Beta-Alanine and Intramuscular Buffering4 studies
Beta-alanine serves as the rate-limiting precursor to carnosine, a dipeptide stored in skeletal muscle that buffers hydrogen ions generated during hard training. By improving intracellular buffering capacity, elevated carnosine can delay the drop in pH associated with repeated high-intensity efforts. This is why beta-alanine is better understood as a cumulative performance ingredient rather than an acute stimulant-like effect. The benefit becomes more noticeable with consistent daily intake over time.
Caffeine and Central Performance Output0 studies
Caffeine primarily acts through adenosine receptor antagonism in the central nervous system, reducing perceived fatigue and increasing alertness, motivation, and willingness to sustain effort. It can also improve reaction speed and lower perceived exertion during both resistance training and conditioning work. A 200mg dose is moderate by pre-workout standards, which often makes it more manageable for users balancing performance with sleep timing. Individual response still varies based on body mass, habitual intake, and dosing window.
Alpha-GPC and Cholinergic Focus Support0 studies
Alpha-GPC is a choline donor that increases substrate availability for acetylcholine synthesis, a neurotransmitter involved in attention, motor signaling, and neuromuscular function. In pre-workout contexts, this can translate to sharper task engagement, better mind-muscle connection, and cleaner perceived focus when paired with caffeine. Its role is supportive rather than dominant in this formula, but it helps round out the stimulant profile with a more performance-oriented cognitive angle. This makes the overall experience feel less one-dimensional than caffeine alone.
Adaptogenic Mushrooms and Exercise Resilience0 studies
The mushroom blend here is positioned as an adaptogenic support layer rather than the main ergogenic engine of the formula. Ingredients like cordyceps, lion's mane, and reishi are commonly discussed for their potential influence on perceived energy, resilience, cognitive support, and stress adaptation, though outcomes depend heavily on dose, extract quality, and standardization. Because the individual amounts are undisclosed, the mechanistic potential is easier to justify than the likely magnitude of real-world effect. They are best viewed as a secondary wellness and performance-support feature alongside the more established core actives.
Product Details Specs
Product Type
Pre-Workout
Category
moderate stimulant adaptogenic performance powder
Brand
Bucked Up
Form
Powder
Servings
60
How to Take — Training Protocol6 phases
How to Use Bucked Up | PeakO2 | Adaptogenic Performance Powder
First 2-3 uses
Assess Tolerance
Start with 1/2 scoop in 10-16 ounces of water to assess response to 200mg caffeine and beta-alanine.
20-30 minutes pre-training
Standard Pre-Workout Dose
Mix 1 scoop with 10-16 ounces of cold water and drink before your warm-up.
Pre-workout meal timing
Empty vs Fed Training
Take slightly earlier if training after a full meal; effects may hit faster on an emptier stomach.
During hard training days
Session Fit
Use on lifting, hypertrophy, or conditioning sessions where pump, focus, and moderate energy are priorities.
Consistent use
Daily Endurance Support
Use regularly if you want the cumulative benefits of beta-alanine rather than expecting it to work acutely.
Before and during training
Hydration Follow-Through
Maintain fluid intake during your session, especially if you sweat heavily or train in heat.
Warnings
●
Contains 200mg caffeine anhydrous per scoop; avoid combining with coffee, energy drinks, or other stimulant products.
●
Beta-alanine may cause harmless tingling, especially in new users or when taken quickly.
●
Do not take late in the day if you are sensitive to sleep disruption from caffeine.
●
Consult a healthcare professional before use if you have cardiovascular concerns, anxiety, or blood pressure issues.
Cycling:
Cycling is not required, but some users choose periodic breaks to reassess caffeine tolerance.
Quick Answers
Quick Answers
How much caffeine is in Bucked Up PeakO2 Adaptogenic Performance Powder?
Each full scoop contains 200mg of caffeine anhydrous. That is enough for a noticeable increase in alertness, workout drive, and reduced perceived exertion, but it sits well below the ultra-high-stim pre-workout tier.
Is the citrulline dose in this formula actually strong enough to matter?
Yes. This product provides 6,000mg of citrulline malate 2:1, which is in the clinically meaningful range for supporting nitric oxide production, blood flow, and the fuller pump most users want from a pre-workout.
Is 2g of beta-alanine enough?
It is a useful dose, but it is below the 3.2-6.4g daily range commonly used in the literature. If you use the product consistently, it contributes to carnosine loading over time, but users seeking a full research-style daily intake may want additional beta-alanine from another source.
Will this make me tingle?
Possibly. Beta-alanine can cause a harmless tingling sensation called paresthesia, especially when taken on a more empty stomach or by users who are sensitive to it. At 2,000mg, some people will notice it and others will not.
Is this better for pump or energy?
It does both, but the strongest formula statement is the 6g citrulline malate for pump and blood flow. The 200mg caffeine gives solid energy, but this is not designed as an extreme high-stim product.
What does Alpha GPC do in this formula?
AlphaSize Alpha GPC at 200mg acts as a choline donor to support acetylcholine production, which is involved in focus and neuromuscular signaling. In practice, it helps the energy feel more directed and training-focused rather than just stimulant-heavy.
Can I stack this with creatine?
Yes, and it is a smart pairing. Creatine supports phosphocreatine regeneration for strength and repeated power output, which complements this formula’s citrulline-driven blood flow and beta-alanine-driven fatigue management.
Should I take this every day or only before workouts?
For the acute effects of caffeine and citrulline, use it before training. For beta-alanine to build muscle carnosine effectively, consistency matters, so daily use is more beneficial than only taking it occasionally.
Is this a fully transparent label?
Yes. The active ingredients are disclosed individually with listed amounts rather than hidden inside a proprietary blend. That makes it much easier to judge what is clinically strong and what is included at support-level dosing.
Is this suitable for evening training?
That depends on your caffeine tolerance and bedtime. At 200mg caffeine, many users will want to avoid taking it too close to sleep, especially if they are also using coffee or other stimulants during the day.
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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