Spark 2.0

Backed By 18 Peer-Reviewed Studies
Pineapple Mango: 20 Servings Tropical Guava: 23 Servings

A complete pre-workout stack with 27+ active ingredients per scoop, triple creatine complex, dual NO pathway pump matrix, and 2,500mg L-Leucine to prime recovery before the session ends

  • Sustained energy and focus with zero crash: caffeine and L-Theanine balanced by design
  • Triple creatine complex for strength and power output that holds through the last set
  • mTOR activation via L-Leucine: recovery signal active while you're still training
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Flavour: Pineapple Mango
Size: 500g

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EVERY UNIT VERIFIABLE

THE ACTUACIÓN VERIFICATION

Non GMO Non GMO
Soy Free Soy Free
Vegan Vegan
Dairy Free Dairy Free
Gluten Free Gluten Free
Small Batch Production Small Batch Production
GMP Certified GMP Certified

Why Use Spark 2.0

A complete pre-workout stack with 27+ active ingredients per scoop, triple creatine complex, dual NO pathway pump matrix, and 2,500mg L-Leucine to prime recovery before the session ends

Sustained energy and focus with zero crash: caffeine and L-Theanine balanced by design

Triple creatine complex for strength and power output that holds through the last set

mTOR activation via L-Leucine: recovery signal active while you're still training
Complete Multi-Angle Formula Description

Complete Multi-Angle Formula Description

Spark 2.0 covers six simultaneously: energy, focus, strength, endurance, hydration, and recovery priming, without splitting them across multiple products.

Triple Creatine for Sustained Power Description

Triple Creatine for Sustained Power Description

Monohydrate, HCl, and Nitrate running across three absorption profiles. ATP replenishment holds through the last set

Crash-Free Energy by Design

Crash-Free Energy by Design

195mg caffeine paired with L-Theanine and Green Coffee Extract for clean, sustained drive. The crash from caffeine alone is eliminated at the formula level, not managed after the fact

Sharper Focus and Memory

Sharper Focus and Memory

Studied across multiple peer-reviewed trials for working memory, processing speed, and executive function.

WE COULD HAVE JUST SAID IT WORKS.

But you're already reading this far.

So here's everything :

Spark 2.0

KEY INGREDIENTS

Every ingredient in Spark 2.0 is included at a clinical dose targeting a specific performance outcome.

Vitamin C (Ascorbic Acid)
Vitamins & Minerals Neutralises

Vitamin C (Ascorbic Acid)

exercise-induced free radicals to reduce oxidative stress and support immune defence under training load.
Vitamin B3 (Niacinamide)
Vitamins & Minerals

Vitamin B3 (Niacinamide)

A coenzyme in cellular energy metabolism — directly involved in converting nutrients into ATP during sustained output.
Vitamin B6 (Pyridoxine HCl)
Vitamins & Minerals

Vitamin B6 (Pyridoxine HCl)

Supports amino acid metabolism and neurotransmitter synthesis, underpinning both muscle function and mental drive.
Vitamin B12 (Cyanocobalamin)
Vitamins & Minerals

Vitamin B12 (Cyanocobalamin)

Essential for red blood cell formation and nerve function — the baseline for oxygen transport and sustained performance.
Magnesium (Magnesium Chloride)
Vitamins & Minerals

Magnesium (Magnesium Chloride)

Regulates muscle contraction and relaxation at the cellular level, reducing cramping and supporting post-session recovery.
Potassium (Potassium Citrate)
Vitamins & Minerals

Potassium (Potassium Citrate)

Primary electrolyte for fluid balance and nerve-to-muscle signalling — prevents fatigue-driven cramping mid-session.
Calcium (Calcium Gluconate)
Vitamins & Minerals

Calcium (Calcium Gluconate)

Triggers the muscle contraction cascade at the neuromuscular junction and maintains bone integrity under load.
L-Leucine
Power, Strength & Endurance Complex

L-Leucine

Directly activates mTOR to initiate muscle protein synthesis while training stress is still building.
Beta-Alanine
Power, Strength & Endurance Complex

Beta-Alanine

Raises muscle carnosine to buffer hydrogen ion accumulation — the primary driver of rep failure during high-intensity sets.
Betaine (Trimethylglycine
Power, Strength & Endurance Complex

Betaine (Trimethylglycine

Supports creatine synthesis, acts as an osmolyte for cellular hydration, and shown to improve both power output and body composition.
L-Citrulline DL-Malate (2:1)
Nitric Oxide Pump Matrix

L-Citrulline DL-Malate (2:1)

Converts to arginine in the kidneys to raise nitric oxide output, widen blood vessels, and reduce post-training soreness.
L-Arginine HCl
Nitric Oxide Pump Matrix

L-Arginine HCl

A direct nitric oxide precursor that enhances vasodilation and accelerates nutrient delivery to working muscle.
L-Arginine
Nitric Oxide Pump Matrix

L-Arginine

Sustains circulating arginine levels to extend the NO-driven pump and vasodilation effect across the full session.
Piper Nigrum Extract (95% Piperine)
Nitric Oxide Pump Matrix

Piper Nigrum Extract (95% Piperine)

Inhibits the gut enzyme that clears active compounds before absorption — keeping every ingredient in the formula in circulation longer.
Caffeine Anhydrous
Focus & Stim Matrix Blocks

Caffeine Anhydrous

adenosine receptors to reduce the brain's perception of fatigue and sharpen output from the first set.
Coffea Arabica Seed Extract (Green Coffee)
Focus & Stim Matrix

Coffea Arabica Seed Extract (Green Coffee)

Delivers natural caffeine alongside chlorogenic acids for a smoother, more sustained energy release than anhydrous caffeine alone.
Centella Asiatica (Gotu Kola)
Focus & Stim Matrix

Centella Asiatica (Gotu Kola)

Supports cerebral blood flow and cognitive endurance — sustaining focus under the accumulated stress of a full training session.
L-Theanine
Focus & Stim Matrix

L-Theanine

Promotes alpha brain wave activity to smooth the stimulant edge and eliminate the crash that follows caffeine alone.
Acetyl-L-Tyrosine
Focus & Stim Matrix

Acetyl-L-Tyrosine

Precursor to dopamine and norepinephrine — sustains motivation, mental drive, and stress resilience through the second half of the session.
L-Phenylalanine
Focus & Stim Matrix

L-Phenylalanine

Upstream precursor to tyrosine and dopamine; supports mood stability and mental performance when training intensity peaks.
Citrus Aurantium Extract (10% p-Synephrine)
Focus & Stim Matrix

Citrus Aurantium Extract (10% p-Synephrine)

A thermogenic stimulant that raises metabolic rate and energy expenditure without the cardiovascular risk of harsher compounds.
Taurine
Electrolyte & Hydration Optimizer

Taurine

Acts as an osmolyte to regulate water movement across muscle cell membranes and maintain cellular hydration under load.
Cocos Nucifera (Coconut)
Electrolyte & Hydration Optimizer

Cocos Nucifera (Coconut)

A natural mineral source rich in potassium that supports intra-workout hydration and prevents performance decline from fluid loss.
Creatine Monohydrate
Triple Creatine Complex

Creatine Monohydrate

The gold-standard form — replenishes phosphocreatine stores to sustain ATP output across repeated high-intensity efforts.
Creatine Hydrochloride (HCl)
Triple Creatine Complex

Creatine Hydrochloride (HCl)

Higher solubility than monohydrate allows faster absorption with reduced bloating and improved uptake at lower doses.
Creatine Nitrate
Triple Creatine Complex

Creatine Nitrate

Combines ATP replenishment with a secondary nitrate-driven nitric oxide effect — strength and pump from a single compound.
SEEN IN THE WILD

REAL PEOPLE. REAL PERFORMANCE.

See how the Klr.Fit community trains, performs and progresses.

THE SCIENCE BEHIND IT ALL

Explore The Research Behind Our Formula

Vitamins & Minerals

Plasma Ascorbic Acid Concentrations And Fat Distribution In 19,068 British Men And Women In The European Prospective Investigation Into Cancer And Nutrition Norfolk Cohort Study, Canoy Et. Al

American Journal of Clinical Nutrition 2005

Waist-to-hip ratio was inversely associated with plasma vitamin C levels independent of BMI, age, and lifestyle factors, suggesting abdominal fat distribution may be linked to increased antioxidant utilisation.

Evidence
Vitamins & Minerals

Niacin Cures Systemic NAD+ Deficiency And Improves Muscle Performance In Adult-Onset Mitochondrial Myopathy, Pirinen Et. Al

Cell Reports Medicine 2020

Niacin increased blood NAD+ up to 8-fold, restored muscle NAD+ to control levels, improved muscle strength and mitochondrial biogenesis, and reduced liver fat by up to 50%.

Evidence
Vitamins & Minerals

Ingesting A Pre-Workout Supplement Containing Caffeine, B-Vitamins, Amino Acids, Creatine, And Beta-Alanine Before Exercise Delays Fatigue While Improving Reaction Time And Muscular Endurance, Spradley Et. Al

Journal of the International Society of Sports Nutrition 2012

A multi-ingredient pre-workout supplement significantly improved lower body muscular endurance, choice reaction time, and perceived energy and focus, while reducing subjective fatigue during exercise testing.

Evidence
Vitamins & Minerals

Can Magnesium Enhance Exercise Performance?, Zhang Et. Al

Nutrients 2017

Magnesium supplementation was found to improve exercise performance by enhancing glucose availability in the brain and muscle while reducing lactate accumulation; human studies also demonstrated positive associations between magnesium status and muscle performance markers including grip strength, lower-leg power, knee extension torque, and jumping performance.

Evidence
Vitamins & Minerals

Effects Of High-Intensity Intermittent Training On Potassium Kinetics And Performance In Human Skeletal Muscle, Nielsen Et. Al

The Journal of Physiology 2004

High-intensity intermittent training reduced potassium accumulation in skeletal muscle interstitium during exercise: linked to a 28% longer time to fatigue, in supporting the role of potassium regulation in delaying muscle fatigue during intense exercise.

Evidence
Vitamins & Minerals

Exploring The Role Of Dietary Calcium Intake In Muscle And Cardiovascular Performance Among Young Athletes, Sharma Ghimire Et. Al

Nutrients 2024

Dietary calcium intake explained nearly 25% of the variance in muscle performance index across 95 young athletes, suggesting a direct role in muscular function beyond bone health.

Evidence
Power, Strength & Endurance Complex

Effects Of Leucine Supplementation On Athletic Performance, Central Fatigue, And Serum Metabolism In Endurance Athletes, Li Et. Al

Nutrients 2025

Six weeks of leucine supplementation significantly improved ankle muscle strength and VO2max in endurance athletes, likely by reducing BCAA catabolism and attenuating exercise-induced central fatigue.

Evidence
Power, Strength & Endurance Complex

Effect Of Betaine Supplementation On Power Performance And Fatigue, Hoffman Et. Al

Journal of the International Society of Sports Nutrition 2009

Two weeks of betaine supplementation significantly improved squat endurance and quality of repetitions performed at high power output in college-aged males, with the betaine group maintaining peak power across more reps than placebo.

Evidence
Nitric Oxide Pump Matrix

Vascular Effects Of L-Citrulline Supplementation In Healthy Adults Are Largely Influenced By Prehypertensive Blood Pressure, Nogimura Et. Al

Nutrition Research 2026

L-Citrulline supplementation significantly improved flow-mediated dilation and reduced oxidative stress markers, with the strongest vascular benefits observed in participants with high-normal blood pressure.

Evidence
Nitric Oxide Pump Matrix

A Systematic Review On Black Pepper (Piper Nigrum L.): From Folk Uses To Pharmacological Applications, Takooree Et. Al

Critical Reviews in Food Science and Nutrition 2019

Black pepper and its primary bioactive compound piperine demonstrated antioxidant, anti-inflammatory, neuroprotective, and antidiabetic properties, supporting its role beyond flavour enhancement as a pharmacologically active nutraceutical agent.

Evidence
Focus & Stim Matrix

Effects Of Caffeine On Cognitive Performance, Mood, And Alertness In Sleep-Deprived Humans, Penetar Et. Al

Caffeine, Sleep, and Performance 1993

Caffeine reversed sleep deprivation-induced declines in alertness, reaction time, and cognitive performance through adenosine receptor blockade, with low toxicity and low abuse potential distinguishing it from other stimulant interventions

Evidence
Focus & Stim Matrix

The Effect Of Green Coffee Extract Supplementation On Cardiometabolic Risk Factors, Morvaridi Et. Al

Journal of Diabetes & Metabolic Disorders 2020

A meta-analysis of 27 RCTs found green coffee supplementation significantly reduced fasting blood sugar, insulin, and triglycerides while raising HDL cholesterol, indicating meaningful cardiometabolic benefit beyond caffeine alone.

Evidence
Focus & Stim Matrix

Effects Of L-Theanine On Cognitive Function In Middle-Aged And Older Subjects: A Randomized Placebo-Controlled Study, Baba Et. Al

Journal of Medicinal Food 2021

L-Theanine significantly reduced reaction time in attention tasks and improved working memory accuracy, indicating measurable benefits to executive function and attentional processing in adults aged 50–69.

Evidence
Focus & Stim Matrix

Neuro-Cognitive Effects Of Acute Tyrosine Administration On Reactive And Proactive Response Inhibition In Healthy Adults, Bloemendaal Et. Al

eNeuro 2018

Tyrosine modulated fronto-striatal dopaminergic activation during response inhibition tasks, with age-dependent effects on proactive cognitive control highlighting catecholamine signalling as central to executive function in adults.

Evidence
Focus & Stim Matrix

Citrus Aurantium L. Extract Alleviates Depression By Inhibiting Gut Microbiota-Mediated Inflammation In Mice, Li Et. Al

Food Science and Human Wellness 2024

Citrus aurantium extract reduced pro-inflammatory cytokines IL-6 and TNF-α while restoring hippocampal BDNF levels, ameliorating depressive behavior via gut microbiota modulation.

Evidence
Electrolyte & Hydration Optimizer

Taurine As A Regulator Of Fluid-Electrolyte Balance And Arterial Pressure, Ciechanowska Et. Al

Polskie Archiwum Medycyny Wewnętrznej 1997

Taurine depletion reduced plasma ANP by 30% and elevated arterial pressure under sodium load, while taurine supplementation preserved blood pressure regulation, confirming its role as a key osmoregulator in cardiac and vascular function.

Evidence
Electrolyte & Hydration Optimizer

Comparison Of Coconut Water And A Carbohydrate-Electrolyte Sport Drink On Measures Of Hydration And Physical Performance In Exercise-Trained Men, Kalman Et. Al

Journal of the International Society of Sports Nutrition 2012

Coconut water matched a commercial sports drink in restoring hydration and sustaining exercise performance following 2% body mass loss, with no significant differences in fluid retention or time to exhaustion between conditions.

Evidence
Creatine

The Effects Of Creatine Supplementation On Cognitive Function In Adults: A Systematic Review And Meta-Analysis, Xu Et. Al

Frontiers in Nutrition 2024

A meta-analysis of 16 RCTs found creatine monohydrate significantly improved memory, attention, and processing speed in adults, with the strongest benefits seen in individuals aged 18–60.

Evidence

NEED TO KNOW

Questions, answered.

Most generic pre-workouts address one or two training angles. Spark 2.0 covers six angles including recovery priming via L-Leucine, which most formulas omit entirely.