Inspired Nutraceuticals
Inspired Nutraceuticals | DVST8 of the Union
Layered high-stim energy with pump, focus, and lasting drive.
$44.95 $44.99
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EnXtra™
GlycerPump™
TeaCrine™
TM ZumXR™
• Dairy-Free⚠️ Contains proprietary blend (6 ingredients)
⚠️ Allergen Information +
SuppVault Summary
DVST8 of the Union is a high-stim pre-workout built for hard-hitting energy, tunnel-vision focus, and a long-lasting training drive. It combines 225mg total caffeine from fast and extended-release sources with pump, hydration, and endurance support for productive high-intensity sessions.
Great Fit
- Experienced stim users wanting intense, motivating gym sessions
- Bodybuilders chasing aggressive energy and locked-in training focus
- Lifters running high-volume hypertrophy or bro-split programming
- Users wanting strong pre-workout feel beyond basic functionality
- Fans of euphoric, high-drive training energy
- Gym-goers who like long sessions with short rests
- Intermediate to advanced lifters wanting pump plus stimulation
- Users preferring fast onset with extended energy
Not Ideal If
- Beginners or anyone with low stimulant tolerance
- Stimulant-sensitive users prone to anxiety, jitters, or rapid heart rate
- Anyone under 18 or pregnant or nursing women
- People training late evening or sensitive to sleep disruption
- Anyone with cardiovascular or blood pressure concerns
Deep Dive
DVST8 of the Union includes creatine monohydrate, but the dose is hidden. Adding a separate creatine product guarantees the 3-5g daily intake commonly used for phosphocreatine saturation, which pairs perfectly with this formula's beta-alanine for ATP support plus acid buffering.
Take daily; can be taken with this pre-workout or any other time of day
Because the formula has only 2g citrulline, adding a non-stim pump product can push nitric oxide support into the more clinical range without raising stimulant load further. This is especially smart for advanced users who love the stim profile here but want a bigger pump than the base formula delivers.
Take alongside DVST8 of the Union 20-30 minutes pre-workout
GlycerPump™ works best when hydration is actually available. Pairing this pre with an electrolyte-carb intra-workout stack supports fluid retention, training volume, and the cell-hydration effect glycerol is meant to create.
Sip during training
This formula is built to improve session quality, not replace post-workout nutrition. A rapidly digesting protein source complements the improved training output by giving muscle tissue the amino acid substrate needed for recovery and adaptation after the session.
Take within 1-2 hours after training
DVST8 Global is likely the more complete choice if you want a more fully built-out modern pre-workout profile.
Choose based on preferred feel: DVST8 of the Union for classic aggression, DVST8 Dark for a different stim profile.
DVST8 of the Union has a more premium trademarked feel with dual-source caffeine and better pump support.
FSU Dyehard is the better pick if you want pump performance without heavy stimulation.
Clinical Dosing
Full Product Description Article
DVST8 of the Union is a classic high-stim pre-workout built around three priorities: immediate training energy, sustained central nervous system drive, and enough pump/endurance support to keep the session productive rather than just intense. The formulation philosophy is clear: this is not a stim-free pump formula, and it is not a purely clinical minimalist build. It is an aggressive performance pre designed to create a noticeable experience from the first serving, with disclosed headline actives and additional proprietary support ingredients layered in for a more forceful subjective effect.
The disclosed performance core starts with 2,000mg L-citrulline. Citrulline works through the arginine-nitric oxide pathway, increasing arginine availability more efficiently than oral arginine itself and supporting vasodilation, blood flow, and nutrient delivery. Research commonly uses roughly 3-8g/day, so 2g sits below the fully clinical range on its own. In practice, that means you should expect some vascular and pump support, but not the kind of maximal nitric oxide effect seen from 6-8g formulas. It is helped here by 1,000mg GlycerPump™, a trademarked high-yield glycerol ingredient standardized to at least 65% glycerol. Glycerol increases fluid retention inside and around muscle tissue, improving hyperhydration, fullness, and training feel. The combination of citrulline-driven vasodilation plus glycerol-driven cell hydration is one of the more useful pump pairings in sports nutrition.
For endurance, the formula includes 1,600mg beta-alanine. Beta-alanine raises intramuscular carnosine over time, helping buffer hydrogen ions that accumulate during hard sets and high-rep work. The best-known research target is 3.2g/day, so 1.6g is exactly a half dose. One scoop gives partial daily progress; two scoops bring you to the established 3.2g benchmark. That matters because beta-alanine is not about a same-day strength spike; it is about cumulative buffering capacity over weeks of consistent use.
The stimulant architecture is what defines this product. Caffeine anhydrous at 175mg provides the fast onset, while 50mg zumXR® extended-release caffeine stretches the energy curve and helps reduce the sharp rise-and-fall pattern seen with single-source caffeine products. Total caffeine is 225mg at the full two-scoop serving. That number alone is moderate-high, but the real intensity comes from what surrounds it: 150mg EnXtra® for stimulant support without adding more caffeine, 750mg L-tyrosine as a catecholamine precursor for focus under stress, 75mg Eria Jarensis extract, 30mg hordenine, 25mg isopropylnorsynephrine, 15mg Cocoabuterol®, plus both alpha yohimbine and yohimbine HCl at 0.5mg each. That is an unmistakably aggressive stim stack with adrenergic, mood, and focus-promoting intent.
There are also undisclosed amounts of creatine monohydrate, glutamine, epicatechin, alpha-GPC 50%, choline bitartrate, and citicoline. These ingredients make mechanistic sense for strength output, recovery, and focus, but because the doses are hidden inside proprietary portions, they cannot be responsibly judged against clinical benchmarks. That is the core transparency limitation here. Compared with category norms, DVST8 of the Union is more transparent than old-school fully hidden blends because many headline ingredients are dosed, but it is not a fully disclosed label.
In terms of synergy, the formula is built to hit from multiple angles at once: caffeine plus zumXR® for onset and duration, tyrosine plus stimulants for stress-resilient focus, citrulline plus GlycerPump™ for pump and hydration, and beta-alanine plus creatine for repeated high-output efforts. Day 1, expect stimulation, elevated drive, beta-alanine tingles, and a fuller training feel. After 2-4 weeks of consistent use, the ingredients most likely to compound are beta-alanine and any meaningful creatine dose present in the blend, giving better fatigue resistance and work capacity than the first few sessions alone.
Science & Clinical References 21 citations
This formula uses both immediate-release and extended-release caffeine to shape the stimulant curve across the training session. Immediate caffeine rapidly antagonizes adenosine receptors, increasing alertness, motor drive, and perceived readiness. The extended-release portion is intended to prolong plasma exposure and reduce the abrupt drop often reported with single-source stimulant systems. In practice, that can translate to a faster onset followed by a steadier tail during longer hypertrophy workouts.
L-citrulline increases systemic arginine availability more efficiently than oral arginine in many contexts because it bypasses substantial first-pass metabolism. Higher arginine availability can enhance nitric oxide synthesis, supporting vasodilation, blood flow, and a more pronounced training pump. The 2 gram dose sits below the upper range commonly used in performance studies, but it still contributes meaningfully in a multi-ingredient pre-workout. This makes it supportive rather than category-maximal for pump output.
Glycerol functions as an osmolyte, helping increase total body water retention when paired with sufficient fluid intake. In pre-workout use, that can support cell volumization, muscle fullness, and a denser pump sensation during training. The effect is highly dependent on hydration practices, meaning users who underdrink water often blunt the benefit. Trademarked glycerol materials can also improve handling and consistency versus older, clump-prone formats.
L-tyrosine is a precursor to catecholamine neurotransmitters, including dopamine and norepinephrine. Under stress, sleep loss, or prolonged cognitive load, tyrosine may help preserve aspects of mental performance by supporting neurotransmitter synthesis capacity. Its effects are usually more noticeable when training stress is high rather than in a fully rested baseline state. In a high-stim formula, it is best viewed as focus support rather than a primary stimulant.
Beta-alanine increases muscle carnosine over time, which helps buffer hydrogen ions generated during repeated high-intensity work. That mechanism is most relevant for longer sets, short rest intervals, and high-volume hypertrophy training where local acidosis contributes to fatigue. Acute tingling is common, but the true ergogenic effect is cumulative rather than immediate. At 1.6 grams per full serving, this dose contributes, though it is below the classic 3.2 to 6.4 gram daily saturation range.
Product Specifications GEO
How to Take — Training Protocol6 phases
How to Use Inspired Nutraceuticals: DVST8 of the Union Pre-Workout
All Questions About Inspired Nutraceuticals | DVST8 of the Union 10 Q&A
How much caffeine is in DVST8 of the Union? +
Is 1 scoop or 2 scoops the better way to take it? +
Is the pump side of this formula actually strong? +
Will DVST8 of the Union make me tingle? +
Is this a good pre-workout for beginners? +
Does the creatine in this formula replace a standalone creatine supplement? +
Can I stack this with a fat burner? +
How long before my workout should I take it? +
Why does this formula feel stronger than 175mg caffeine? +
Is DVST8 of the Union fully transparent? +
* 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.
Quick Answers
How much caffeine is in DVST8 of the Union?
Is 1 scoop or 2 scoops the better way to take it?
Is the pump side of this formula actually strong?
Will DVST8 of the Union make me tingle?
Is this a good pre-workout for beginners?
Does the creatine in this formula replace a standalone creatine supplement?
Can I stack this with a fat burner?
How long before my workout should I take it?
Why does this formula feel stronger than 175mg caffeine?
Is DVST8 of the Union fully transparent?
* 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.
Sport & Athlete Compliance +
Sport compliance status is computed by cross-referencing this product's ingredient panel against the NCAA 2025-26 Banned Substances List, WADA Prohibited List, and state high school athletic association guidelines. Banned substance lists are updated periodically by their governing bodies. This information is provided for reference only and may not reflect the most current list. Always verify with your organization, coach, or compliance officer before use. SuppVault is not responsible for eligibility decisions.
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