Core Nutritionals | Fun Sweets | 50 ServingsCore Nutritionals
- SuppVault Score
- 97/100
- Per serving
- $0.5

Core Nutritionals
Clinical pump dosing, patented support, and a true high-stim engine.
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A fully built high-stim pre-workout disguised by a fun flavor profile. It targets pumps, endurance, focus, and hydration with meaningful doses across every major category. Standout data point: 6g L-citrulline plus 500mg total caffeine.
Core Nutritionals 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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This pre-workout already covers energy, pump, focus, buffering, and hydration, but it does not provide the classic 3-5g standalone creatine dose. Adding creatine supports phosphocreatine replenishment and repeated high-output performance, complementing beta-alanine’s hydrogen ion buffering with ATP system support.
Take daily; can be taken with this product pre-workout or any time on rest days
This formula includes some electrolyte support, but long sessions, hot environments, or high-volume training can still benefit from additional fluids, amino acids, and electrolytes during training. That pairing keeps the pre-workout focused on initiation while the intra-workout handles session-length hydration and performance maintenance.
Sip during training after taking this product 20-30 minutes pre-workout
A high-output session increases the need to capitalize on recovery afterward. Pairing this formula with fast-digesting protein post-workout supports muscle protein synthesis and helps convert the improved training quality from citrulline, beta-alanine, and caffeine into actual adaptation.
Use after training or to help meet daily protein targets
For advanced users who love the energy but want even more blood flow on select sessions, a stim-free pump product can increase nitric oxide or cell volumization without pushing caffeine even higher. This is especially useful if you want to reserve the full 500mg stimulant hit for your hardest sessions but still chase maximal pumps.
Use only if stimulant tolerance is established; combine pre-workout only on your highest-priority sessions
This formula brings substantially more total stimulation and a more aggressive focus profile.
Peak is the better choice for users wanting pump performance without extreme stimulant exposure.
Both target advanced pre-workout users, but the best pick depends on tolerance and desired intensity.
Ascension Elite has stronger category leadership and broader recognition among serious pre-workout users.
Side-by-side against the closest competitors. Score reflects clinical dosing, transparency, and testing.
Core Nutritionals | Fun Sweets | 50 ServingsCore Nutritionals
Core Nutritionals | Essential Pre | 30 ServingsCore Nutritionals
This formula brings substantially more total stimulation and a more aggressive focus profile.
Compare side-by-side →
Core Nutritionals | Peak | 120 CapsulesCore Nutritionals
Peak is the better choice for users wanting pump performance without extreme stimulant exposure.
Compare side-by-side →
Core Nutritionals | Fury Pre | 20 ServingsCore Nutritionals
Both target advanced pre-workout users, but the best pick depends on tolerance and desired intensity.
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.
This is not a simple flavored creatine product. Based on the verified actives provided, this is a fully built high-stim pre-workout formula engineered around four pillars: blood flow, fatigue resistance, neural drive, and hydration. That approach aligns with Core Nutritionals’ brand philosophy under Doug Miller: no mystery blends, no filler-first design, and no pretending that low doses are clinically meaningful. Every major category here is represented by a dose that tells you the formulator intended this to perform in real training, not just look good on a label.
The pump and circulation foundation starts with 6,000mg L-citrulline, which sits directly inside the 6-8g clinical range. Citrulline is a superior arginine precursor because it bypasses heavy first-pass metabolism and is converted to arginine in the kidneys, supporting nitric oxide production through eNOS. In practice, that means better vasodilation, improved blood flow, and a more sustained pump, especially once training volume rises. It also contributes to ammonia clearance through the urea cycle, which matters when fatigue starts building mid-session. That core NO pathway is reinforced by 254mg VasoDrive-AP®, a patented hydrolyzed casein peptide complex, and 200mg CitraPeak®, a branded glucosyl hesperidin ingredient used to support endothelial function and circulation. Together, this is a multi-angle blood-flow system, not just a single citrulline headline.
Performance support is equally well built. Beta-alanine is dosed at 3,200mg, the exact lower end of the clinically validated 3.2-6.4g range for raising muscle carnosine. That matters because beta-alanine does not work like a one-day stimulant; it loads over time, increasing intracellular buffering capacity so high-intensity efforts are limited less by acid accumulation. Betaine anhydrous at 2,500mg matches the classic research dose for training performance and cell hydration. Taurine at 2,000mg is also right in the effective range, contributing osmoregulation, calcium signaling support in muscle, and additional endurance benefits. Senactiv® at 50mg adds a recovery-and-performance angle aimed at promoting cellular energy turnover and muscular endurance. The hydration panel is rounded out with Albion® potassium glycinate at 400mg and 260mg sea salt, giving the formula practical electrolyte support instead of assuming users will get that elsewhere.
The nootropic-stimulant side is aggressive. L-tyrosine at 2,000mg supplies substrate for catecholamine synthesis under stress, which is exactly where it performs best. Alpha-GPC at 300mg supports acetylcholine-related focus and mind-muscle connection. Cocoabuterol® at 100mg adds cocoa-derived stimulant and mood support compounds, while pregnenolone at 10mg is included as a neurosteroid component, though the evidence base here is much more limited than the rest of the formula. Total caffeine is a very high 500mg, split across anhydrous, citrate, and an additional caffeine source. That design gives fast onset plus sustained elevation, but it also makes this decisively a high-stim formula intended for caffeine-tolerant users.
The synergy is what makes the formula feel complete. Citrulline, VasoDrive-AP®, and CitraPeak® support blood flow from different angles. Betaine, taurine, sodium, and potassium support cellular hydration and muscular output. Tyrosine and Alpha-GPC sharpen focus while caffeine drives alertness and intensity. Beta-alanine builds cumulative fatigue resistance that gets better over weeks, while the stimulant-pump matrix delivers immediate day-one effects.
Transparency here is excellent: no proprietary blend, every active disclosed, and several meaningful branded ingredients. That matters in a category where underdosed prop blends are still common. Day 1, expect strong energy, enhanced drive, noticeable paresthesia from beta-alanine, and a fuller pump once training begins. Over 2-4 weeks, the biggest upgrade is from beta-alanine saturation, with workouts feeling less limited by the familiar burning fatigue in repeated high-intensity sets.
L-citrulline raises plasma arginine more reliably than oral arginine because it bypasses substantial intestinal and hepatic breakdown. Once converted in the kidneys, arginine supports endothelial nitric oxide synthase activity, increasing nitric oxide availability and vascular relaxation. That improved hemodynamics can enhance muscle perfusion, nutrient delivery, and the subjective pump response during high-volume training. Citrulline also participates in ammonia handling through the urea cycle, which may modestly support performance under fatigue.
Beta-alanine is the rate-limiting precursor for carnosine synthesis in skeletal muscle. Elevated carnosine helps buffer hydrogen ions generated during repeated high-intensity efforts, delaying the drop in intramuscular pH associated with fatigue. This mechanism is especially relevant in sets lasting roughly 30 seconds to several minutes, where glycolytic demand is high. The acute tingling some users feel is paresthesia, a sensory effect rather than the performance mechanism itself.
Betaine functions both as an osmolyte and as a methyl donor within one-carbon metabolism. As an osmolyte, it may help preserve cellular hydration status during hard training, while methyl donation supports pathways linked to creatine synthesis and homocysteine regulation. In performance settings, betaine has shown potential benefits for power output, training volume, and body composition when dosed appropriately. Its effects are not purely stimulatory, making it a useful structural performance ingredient in comprehensive pre-workouts.
L-tyrosine provides substrate for catecholamine synthesis, which may be especially useful when stress, sleep restriction, or demanding training increases neurotransmitter turnover. Alpha-GPC contributes choline for acetylcholine synthesis, supporting attentional processing and neuromuscular signaling. When combined in a pre-workout, these ingredients aim to make stimulation feel more task-directed and less chaotic. Their value is often most noticeable in mentally demanding sessions or early-morning training.
Using more than one caffeine source can shape the onset curve of stimulation rather than simply increasing the total number on the label. Rapidly available caffeine supports quicker alertness, while different salt forms can influence how the energy profile is perceived across the session. At a 500mg total load, adenosine receptor antagonism is robust and will meaningfully elevate alertness, perceived energy, and training drive. The same intensity also raises the likelihood of jitteriness, elevated heart rate, and sleep disruption in non-tolerant users.
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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