Axe & Sledge Hydraulic is a complete stimulant-free pre-workout featuring 8 grams of pure L-Citrulline, 3.2 grams of Beta-Alanine, and five trademarked ingredients — formulated to deliver juicy pumps, laser focus, and maximum performance without a single milligram of caffeine. Since launching in 2018, Hydraulic set the standard for non-stimulant pre-workouts as an industry pioneer in the category, and the current formula builds on that foundation with VasoDrive-AP® for blood vessel dilation, HydroPrime® Glycerol for cellular hyperhydration, Cognatiq® and CitraPeak® for stimulant-free focus, and AstraGin® for absorption enhancement across the entire formula. Fully transparent label — every dose disclosed. $54.99. 20 full two-scoop servings or 40 half-scoop servings per tub. Stimulant-free, making it ideal for late-night training, stacking with a caffeinated pre-workout, or athletes sensitive to caffeine. Flavors: Melon Pop, Unicorn Blood, Deadlift and Gummy Bear, Shark Bite, Glacier. Contains Milk (from VasoDrive-AP). California Prop 65 Warning applies.†
Supplement Facts — Axe & Sledge Hydraulic (Per 2 Scoops / Full Serving / 20 Servings)
Pump and Nitric Oxide
L-Citrulline — 8,000mg
VasoDrive-AP® (Isoleucyl-Prolyl-Proline and Valyl-Prolyl-Proline from hydrolyzed milk casein)
Hydration
HydroPrime®/HydroMax® Glycerol (min. 65% glycerol) — 3,000mg
Performance and Endurance
Beta-Alanine (as CarnoSyn®) — 3,200mg
L-Taurine
Focus and Cognitive
L-Tyrosine
Cognatiq® (Coffee Fruit Extract)
CitraPeak® (Glucosyl Hesperidin)
Absorption and Vitamin Support
AstraGin®
Vitamin C
Other Ingredients: Citric Acid, Silicon Dioxide, Natural and Artificial Flavors, Sucralose, Beet Root Powder (for color)
Zero stimulants. 100% stim-free.
20 full (2-scoop) servings or 40 half (1-scoop) servings per tub
Mix 2 scoops in 10-12oz cold water 30 minutes before training
New users: start with 1 scoop to assess tolerance
Do not exceed 2 scoops in any 24-hour period
Contains Milk (from VasoDrive-AP, derived from hydrolyzed milk casein)
Manufactured in a facility that processes milk, eggs, fish, shellfish, tree nuts, peanuts, wheat, soybeans, and sesame
Fully transparent label — all doses disclosed
California Prop 65 Warning applies.
Hydraulic — The Original Non-Stim Pioneer
In 2018, Axe & Sledge set the standard for non-stimulant pre-workouts with Hydraulic. At the time, Hydraulic was ahead of the game with five trademarked ingredients, a fully disclosed label, and unique flavors that couldn't be found anywhere else. The product remained one of the most popular non-stim formulas on the market for years afterward. Hydraulic's current formula has been in development since 2022, with Axe & Sledge's team working to improve every aspect of the product — look, taste, mixability, and most importantly, the formula itself — to produce what the brand considers the best non-stim pre-workout they've made to date.†
The updated formula introduced four advanced trademarked ingredients — VasoDrive-AP®, CitraPeak®, Cognatiq®, and AstraGin® — while retaining the proven backbone from the original: HydroPrime®/HydroMax® Glycerol, L-Taurine, and L-Tyrosine. By focusing on pumps, hydration, performance, and focus rather than artificial energy spikes, Hydraulic delivers consistent results without jitters, crashes, or overstimulation — giving you full control over how and when you train.†
The Pump Architecture — Two Mechanisms, One Goal
L-Citrulline — 8,000mg — Maximum Dose NO Production
8,000mg of pure L-Citrulline anchors Hydraulic's pump system — converting to Arginine in the kidney to drive eNOS-mediated nitric oxide production, vasodilation, and the increased blood flow that produces both the pump sensation and improved nutrient delivery to working muscle. At 8g, Hydraulic sits among the highest pure Citrulline doses in any non-stimulant pre-workout — well above the 6-8g range most published Citrulline research identifies as producing maximal pump and performance benefits.†
VasoDrive-AP® — The ACE Inhibitor Pathway
VasoDrive-AP® is a patented bioactive peptide complex containing Isoleucyl-Prolyl-Proline (IPP) and Valyl-Prolyl-Proline (VPP) derived from hydrolyzed milk casein. Its mechanism is entirely distinct from Citrulline's NO pathway — VasoDrive-AP® inhibits ACE (Angiotensin-Converting Enzyme), the same enzyme targeted by pharmaceutical ACE inhibitor blood pressure medications. By blocking the conversion of angiotensin I to angiotensin II (a potent vasoconstrictor), VasoDrive-AP® reduces vasoconstriction and supports sustained blood vessel dilation through the RAAS pathway, independent of nitric oxide. Combining Citrulline's NO-pathway pump with VasoDrive-AP's RAAS-pathway vasodilation produces more complete vascular support than either mechanism alone — this is the same dual-pathway pump architecture used in premium pre-workouts like RYSE Loaded Pre Max.†
HydroPrime®/HydroMax® Glycerol — 3,000mg — Cellular Hyperhydration
HydroPrime® (also marketed as HydroMax® depending on supplier) is a trademarked ingredient standardized to a minimum of 65% glycerol — significantly more concentrated than standard glycerol monostearate (GMS) powders, which typically contain only 1.5-5% actual glycerol. Glycerol is one of the only ingredients on the market that can place your body into a hyperhydrated state — drawing water into and around muscle cells through osmotic pressure, increasing total body water and producing the engorged, full muscle appearance and the performance benefits of cellular hyperhydration during training. At 3,000mg of a 65%-concentration extract, Hydraulic delivers approximately 1,950mg of actual glycerol per full serving — a meaningful dose for the cell volumization effect glycerol is included for.†
One caveat worth knowing: glycerol-containing pre-workouts are prone to clumping. If exposed to excessive heat, moisture, and air, the powder is more likely to clump because of glycerol's hygroscopic (moisture-absorbing) nature. Clumping does not negatively impact the product's effects unless it turns into a complete rock — store the tub in a cool, dry place with the lid tightly sealed to minimize this.†
Performance and Endurance — Beta-Alanine and Taurine
Beta-Alanine (delivered as CarnoSyn®, the patented and most clinically researched Beta-Alanine form) at 3,200mg is the full clinical carnosine-buffering dose from the published sports performance literature. Beta-Alanine helps buffer lactic acid to delay fatigue during intense or high-rep sets — building the muscle carnosine reserves that buffer the hydrogen ion accumulation responsible for the burning sensation and contractile failure during high-intensity training. L-Taurine supports muscle contractions and electrolyte balance — functioning as an osmolyte alongside Glycerol for cellular hydration, while its calcium-handling regulatory effects optimize the force production per muscle contraction. This performance-focused blend allows you to push harder, sustain effort longer, and maintain intensity throughout demanding workouts.†
Stimulant-Free Focus — How Hydraulic Delivers Mental Clarity Without Caffeine
Hydraulic delivers clean, dialed-in focus without the use of stimulants. L-Tyrosine supports neurotransmitter production to help maintain mental clarity under physical stress — providing the catecholamine (dopamine and norepinephrine) precursor substrate that keeps focus and drive consistent throughout training even without caffeine's adenosine antagonism.†
Cognatiq® (a standardized Coffee Fruit Extract, sourced from the whole coffee cherry rather than just the bean) enhances cognitive performance and alertness through a non-stimulant mechanism — research on coffee fruit extract has documented increases in serum BDNF (Brain-Derived Neurotrophic Factor), the protein responsible for neuroplasticity, learning, and neuronal health, without the caffeine content typically associated with coffee-derived ingredients. CitraPeak® (Glucosyl Hesperidin, a citrus bioflavonoid modified for enhanced bioavailability) adds a complementary cognitive and circulatory support mechanism — hesperidin has documented effects on cerebral blood flow and cognitive performance independent of stimulant activity. This focused yet smooth mental state helps improve mind-muscle connection, reaction time, and concentration — allowing you to stay locked in from warmup to final set, entirely without caffeine.†
AstraGin® and Vitamin C — The Formula Multipliers
AstraGin® (NuLiv Science's patented Astragalus membranaceus and Panax notoginseng combination) was added specifically to ensure you get the absolute most out of Hydraulic. AstraGin® upregulates intestinal nutrient transporter proteins, improving the absorption rate of amino acids and other bioactive compounds across the entire formula — meaning the 8g Citrulline, Beta-Alanine, Taurine, and trademarked compounds in Hydraulic are more completely absorbed than they would be without an absorption enhancer present. Vitamin C, first introduced in Axe & Sledge's PUMPIES non-stim capsule formula, was carried over to Hydraulic for its antioxidant support during the elevated oxidative stress of intense training, complementing the formula's overall performance and recovery profile.†
Who Hydraulic Is Built For
A non-stimulant pre-workout like Hydraulic is ideal for individuals who are sensitive to caffeine or stimulants, those who train in the evening and want to avoid sleep disturbances, individuals who prefer to cycle off stimulants periodically, and those who want to avoid the jittery feeling often associated with high-stim products. It's also a strong option for athletes who want to stack it with a caffeinated pre-workout for a combined one-two punch — using Hydraulic for the pump, hydration, and focus dimension while adding a separate stimulant product (Seventh Gear, HWMF, or any other Axe & Sledge caffeinated pre) for the energy dimension, without doubling up on Citrulline and Beta-Alanine doses the way stacking two full pre-workouts typically would.†
Frequently Asked Questions
How is Hydraulic different from a standard caffeinated pre-workout?
Hydraulic contains zero stimulants — no caffeine, no DMHA, no yohimbine. Its pump, hydration, and performance ingredients (Citrulline, VasoDrive-AP, Glycerol, Beta-Alanine, Taurine) are equivalent in dose and quality to premium caffeinated pre-workouts, but the energy and focus dimension comes entirely from non-stimulant cognitive ingredients (Tyrosine, Cognatiq, CitraPeak) rather than caffeine. This makes Hydraulic appropriate for any time of day, including late-night training, without disrupting sleep.†Can Hydraulic be stacked with a stimulant pre-workout?
Yes — this is one of Hydraulic's most common use cases. Many athletes use Hydraulic as their pump and performance base, then add a separate caffeinated pre-workout (Seventh Gear, HWMF, or any other product) for additional energy without doubling up on Citrulline and Beta-Alanine doses the way two full pre-workout servings would. This combination is particularly popular for maximum-intensity training days.†Why does Hydraulic contain Milk allergen if it's a powder pre-workout?
VasoDrive-AP®, the ACE-inhibiting bioactive peptide complex in Hydraulic, is derived from hydrolyzed milk casein. While the peptide fraction itself is not significant intact milk protein, the sourcing means the product carries a Milk allergen declaration. Individuals with severe milk protein allergies should be aware of this and consult their physician before use.†Is Hydraulic appropriate for tested athletes?
Based on the disclosed formula — L-Citrulline, VasoDrive-AP, HydroPrime/HydroMax Glycerol, Beta-Alanine (CarnoSyn), L-Taurine, L-Tyrosine, Cognatiq, CitraPeak, AstraGin, and Vitamin C — Hydraulic does not contain any compounds currently prohibited by WADA or NCAA. Zero stimulants and no banned compounds of any kind. Tested athletes should review the full label and verify with their governing body as standard practice.†
How to Take Axe & Sledge Hydraulic
Mix 2 scoops in 10-12oz of cold water 20-30 minutes before training. New users should start with 1 scoop to assess individual response and tolerance before advancing to the full 2-scoop serving. Do not exceed 2 scoops in any 24-hour period. Stimulant-free — can be taken at any time of day, including evening or late-night training sessions, without disrupting sleep. Stacks well with caffeinated pre-workouts for combined pump and energy support. Store in a cool, dry place — glycerol content makes the powder prone to clumping with heat and moisture exposure; clumping does not affect potency. Contains Milk. Consult a physician prior to use if you have a medical condition. Do not use if pregnant or lactating. Discontinue use two weeks prior to surgery.†
Why Buy at Get Yok'd
Real-time inventory across all five Southern California stores
Available in Burbank, Glendale, Glendale Galleria, Pasadena, and North Hollywood
Authorized Axe & Sledge retailer — carrying Hydraulic alongside Intake, Farm Fed, and the full Axe & Sledge lineup
Staff who can help you build the right stim-free or stacked pump and performance protocol around Hydraulic
One of the best loyalty programs in the supplement industry — earn rewards on every purchase
Who Should Exercise Caution with Hydraulic
Individuals with milk protein allergy should consult a physician — VasoDrive-AP is derived from hydrolyzed milk casein
Not for pregnant or nursing women
Discontinue use two weeks prior to surgery
Individuals with kidney disease should consult a physician — high-dose amino acids increase renal processing demand
Individuals with low blood pressure should be aware that VasoDrive-AP's ACE-inhibiting mechanism may have additive effects with blood pressure medications
Manufactured in a facility that processes milk, eggs, fish, shellfish, tree nuts, peanuts, wheat, soybeans, and sesame
Consult a physician before use if taking any prescription medications or having a medical condition
California Prop 65 Warning applies.
Keep out of reach of children.
†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.