After teasing the category on Episode #177 of the PricePlow Podcast at GNC's Global Conference, MuscleTech has launched EFF'N Energy as the stimulant-driven centerpiece of their new effervescent line. Alongside EFF'N Hydrate and EFF'N Cut, this fizzy sachet delivers 225mg caffeine, 200mg GeniusPure® Alpha-GPC, 500mg N-Acetyl-L-Tyrosine, 2g taurine, and 10mg yohimbe extract in a format that transforms energy supplementation from powder logistics into an experience you actually want to repeat.

MuscleTech EFF'N Energy delivers 225mg caffeine + 200mg Alpha-GPC in fizzy sachets. No powders, no shakers -- just tear, pour, and go. Available at GNC in Orange Tangerine Fizz and Blue Razz Fizz.
The effervescent beadlets dissolve in water over roughly 80 seconds, creating a carbonated beverage sensation that removes every friction point from energy supplementation: no scoops, no powder residue, no shaker bottles. Just tear, pour, fizz, and go.
EFF'N Innovation in Delivery, Not Just Ingredients
The technology behind EFF'N Energy matters because it changes how people actually use the product. Traditional powdered energy drinks require planning, equipment, and cleanup. EFF'N Energy sachets eliminate those barriers while delivering a sensory experience closer to cracking open a premium energy drink than mixing a supplement.
Raza Bashir, MuscleTech's Chief Innovation Officer, explained it to us at the end of Episode #183 of the PricePlow Podcast. "It starts to taste similar to a carbonated beverage... when consumers see innovation and see something new, it's all the more reason for them to want to try it."
The beadlets create carbon dioxide bubbles when they hit water, producing that fizzing effect that makes hydration feel less like a supplement chore and more like treating yourself to something enjoyable. You can start drinking immediately if you want a slightly more concentrated finish, or wait the full 80 seconds for even distribution throughout the liquid.
Before diving into the formula, check PricePlow's deals on EFF'N Energy and sign up for our MuscleTech alerts:
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MuscleTech EFF'N Energy Ingredients
Each 9-gram sachet of EFF'N Energy provides the following per serving:
Calories and Macros
- Calories: 5
- Total Carbohydrate: 2g (1% DV)
Zero sugar keeps the formula clean while isomalt provides structure for the effervescent beadlets.
Active Ingredients
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Taurine: 2,000mg
Taurine functions as a cellular osmolyte that regulates cell volume and maintains membrane integrity, while supporting multiple aspects of exercise performance and cognitive function.[1] At 2g, this dose targets both physical endurance and mental sharpness without relying on stimulation alone.
Endurance and Performance
Meta-analysis shows taurine supplementation improves endurance performance through enhanced fat oxidation and reduced oxidative stress.[2] Taurine increases whole-body fat oxidation during exercise by activating adenylate cyclase and supporting mitochondrial function, which shifts substrate utilization toward lipids and extends energy availability during sustained activity.[3] Research demonstrates taurine improves VO2max, time to exhaustion, and maximal workload in both trained and untrained individuals.[3]
Cognitive Function and Stress Resistance
Beyond physical performance, taurine supports cognitive function through modulation of calcium signaling, neurotransmitter systems, and cellular energy metabolism. Studies show taurine administration improves memory performance and reaction time while protecting against cognitive decline from various stressors.[4] These neuroprotective effects involve activating the Akt/CREB/PGC-1α pathway, which enhances mitochondrial biogenesis and synaptic function while reducing oxidative damage to neurons.[4]
Combined with caffeine and Alpha-GPC, taurine creates sustained energy output that supports both the physical demands of training and the mental clarity required for focus-intensive work.
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N-Acetyl-L-Tyrosine: 500mg
N-Acetyl-L-Tyrosine (NALT) delivers cognitive support when your brain needs it most. As the acetylated form of L-tyrosine, NALT serves as the direct precursor to dopamine and norepinephrine, the catecholamine neurotransmitters that regulate focus, motivation, and mental performance under pressure.[5]
Stressful conditions deplete these neurotransmitters faster than your body can synthesize them. Tyrosine supplementation acts as a depletion reverser, supporting catecholamine synthesis specifically in actively firing neurons where demand exceeds supply.[6]
Research demonstrates tyrosine's effectiveness for maintaining working memory during cold exposure, sustaining cognitive performance through extended wakefulness, and preserving mental function under demanding cognitive tasks. The mechanism works through the rate-limiting enzyme tyrosine hydroxylase, which converts tyrosine to L-DOPA before final conversion to dopamine and norepinephrine.
The acetylated form offers enhanced water solubility compared to standard L-tyrosine, supporting better mixing in the effervescent delivery system while maintaining the same cognitive benefits under stress.
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Caffeine Anhydrous: 225mg
Caffeine drives EFF'N Energy's stimulation through adenosine receptor antagonism in the central nervous system. By blocking adenosine A1 and A2A receptors, caffeine increases the release of dopamine, norepinephrine, acetylcholine, and serotonin.[7] This neurotransmitter cascade produces the heightened alertness, enhanced focus, and improved mood that define the caffeine experience.
The cognitive benefits extend beyond simple wakefulness. Caffeine sharpens reaction time, sustains vigilance during demanding mental tasks, and reduces perceived effort during physical activity. When combined with EFF'N Energy's Alpha-GPC and N-Acetyl-L-Tyrosine, the 225mg dose creates layered mental clarity rather than crude stimulation.
For physical performance, caffeine increases motor unit recruitment and reduces pain perception, allowing higher work outputs with less discomfort.[8] The anhydrous form ensures consistent dosing and rapid absorption compared to coffee-based caffeine sources, delivering reliable energy within 30-60 minutes that sustains for 3-5 hours.
MuscleTech EFF'N Hydrate uses effervescent beadlets that fizz in water like a carbonated drink. No scoops, no mess, just pour and watch it dissolve. Electrolytes + B-vitamins + 1000mg vitamin C + Senactiv. Research shows 20% longer time to exhaustion.
At 225mg, EFF'N Energy hits the performance sweet spot without pushing into overstimulation territory, making it suitable for training sessions, workdays demanding sustained focus, or any situation requiring both physical energy and cognitive sharpness.
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GeniusPure® Alpha-Glyceryl Phosphoryl Choline (A-GPC): 200mg
Alpha-GPC functions as a highly bioavailable choline donor that crosses the blood-brain barrier to support acetylcholine synthesis, the neurotransmitter governing both cognitive processing and neuromuscular signaling.[9]
Recent clinical research demonstrates that acute alpha-GPC supplementation enhances cognitive performance across multiple validated assessments, with doses as low as 315mg (alpha-GPC yield) improving processing speed by 50% and Stroop test performance by 108% compared to placebo.[9] These improvements manifest as faster information processing, sharper focus under competing stimuli, and enhanced working memory capacity.
The physical performance benefits stem from optimized acetylcholine availability at the neuromuscular junction, strengthening the mind-muscle connection that translates mental commands into muscular force production. This dual-action profile makes alpha-GPC valuable for situations demanding both mental clarity and physical execution.
Looking at the label, GeniusPure delivers 55% pure alpha-GPC with superior stability compared to standard forms, ensuring consistent potency throughout the product's shelf life. At 200mg, this dose provides meaningful cognitive support while complementing the formula's 225mg caffeine and 500mg N-acetyl-L-tyrosine for comprehensive mental and physical performance enhancement.
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Yohimbe Extract (as Pausinystalia yohimbe bark): 10mg
EFF'N Energy takes a measured approach with yohimbe, using a precise micro-dose that contributes to the formula's stimulant profile without overwhelming users. Yielding 0.6mg yohimbine, this falls well below the aggressive doses found in fat burners (typically 5-20mg), instead providing subtle alpha-2 adrenergic receptor antagonism that complements the caffeine content.[10]
MuscleTech EuphoriQ V2 is here! It still has 300mg enfinity paraxanthine, but now supports more citrulline, added betaine nitrate, and a small hit of yohimbe!
Yohimbine's primary mechanism involves blocking alpha-2 adrenergic receptors, which removes an inhibitory brake on norepinephrine release. This leads to increased circulating catecholamines (epinephrine and norepinephrine), enhancing sympathetic nervous system activation beyond what caffeine provides alone.[11]
The micro-dose strategy matters here, and it's similar to what MuscleTech did with EuphoriQ V2 when they decided to amp things up just a touch. Rather than delivering the anxiety-inducing effects possible with higher yohimbine doses, this 0.6mg provides a gentle lift in alertness and energy expenditure while working synergistically with caffeine's adenosine antagonism and Alpha-GPC's acetylcholine support. The result is a more complete stimulant experience without pushing into uncomfortable territory.
Vitamins and Minerals
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Vitamin B6 (as pyridoxine hydrochloride): 1.7mg (100% DV)
Pyridoxine functions as a cofactor for enzymes governing amino acid metabolism and neurotransmitter synthesis, converting to its active form (pyridoxal-5'-phosphate) to support dopamine and serotonin production.[12] At 100% DV, this dose maintains baseline cofactor status rather than driving therapeutic effects, supporting the formula's stimulants by ensuring adequate enzymatic function for catecholamine pathways while contributing to energy metabolism through amino acid utilization during exercise.
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Choline (from GeniusPure® Alpha-GPC): 40mg (7% DV)
The choline content comes from the Alpha-GPC dose below, contributing to acetylcholine production for cognitive function.
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Sodium (from sodium bicarbonate and sodium citrate): 370mg (16% DV)
The sodium content derives primarily from the effervescent base, where sodium bicarbonate reacts with acids to create the fizzing effect. At 370mg per serving, this provides meaningful electrolyte support during training or demanding mental tasks without requiring excessive fluid intake.

Veteran GNC franchisees Eric Miller, Benny Farzad, and Laura Dalton share frontline retail insights alongside Nutralabz's Ben Benedict, Florida franchisee Mona Bailey, and MuscleTech's Raza Bashir in the finale of our GNC Global Conference coverage on Episode #177 of the PricePlow Podcast.
Other Ingredients
The effervescent base uses isomalt, citric acid, sodium bicarbonate, and malic acid to create the fizzing reaction. When the beadlets hit water, sodium bicarbonate reacts with the acids to generate carbon dioxide bubbles that produce the carbonated sensation.
Natural and artificial flavors work alongside tartaric acid, malic acid, and citric acid to build the flavor profile. Sweetness comes from sucralose and rebaudioside D (from stevia leaf extract), keeping the formula sugar-free at just 5 calories per serving.
L-leucine appears in small amounts as part of the beadlet structure, while polyethylene glycol and silicon dioxide serve as flow agents. Spirulina extract provides natural coloring.
Allergen Warning: Processed in a facility that processes crustacean shellfish, fish, soy, and milk ingredients.
Available Flavors
EFF'N Energy launched in Orange Tangerine Fizz and Blue Razz Fizz, with both flavors delivering bold taste that matches the carbonated beverage experience the technology creates.
The Complete EFF'N Line
MuscleTech built the EFF'N series around "functional fizz" -- taking supplement categories where convenience matters and reimagining them with effervescent technology:
- EFF'N Hydrate combines electrolytes with high-dose vitamin C, B-vitamins, and Senactiv® for hydration with an endurance edge.
- EFF'N Cut introduces lime peel extract (a novel metabolism enhancer clinically shown to burn 3x more calories) alongside 200mg caffeine, N-acetyl L-tyrosine, and chromium for fat-burning in a fizzy format.
All three are exclusively at GNC, with each product coming in 20-count boxes of single-serve sachets. The format handles transport better than tubs -- toss a few sachets in your bag and you're ready for energy whenever you need it.
How to Use EFF'N Energy
Daily Usage: Take 1 serving (1 sachet) daily, 30-60 minutes before your daily activity for energy, or anytime you need a cognitive boost. Pour into 16 oz of water, mix well, and drink immediately.
Timing Options: You can start drinking right away if you prefer, though the last few sips will be slightly more concentrated. The beadlets take about 80 seconds to fully dissolve. The fizzing creates some foam, so if you're consuming the beadlets directly (which Raza admits doing at his desk), be prepared for that carbonation effect.
Important: Do not exceed 1 serving in a 24-hour period. Do not combine with other sources of caffeine or stimulants.
Conclusion: Energy That Feels Like an Experience

Raza Bashir, Chief Innovation Officer at MuscleTech, reveals unprecedented transparency about quality control systems managing 28+ global manufacturers while previewing revolutionary effervescent technology and peptide innovations on Episode #183 of the PricePlow Podcast.
MuscleTech took energy supplementation and eliminated the friction. No scoops, no shaker bottles, no powder residue stuck to your car cupholder. Just convenient sachets that fizz to life and deliver 225mg caffeine alongside cognitive support from Alpha-GPC, stress-resistant focus from N-Acetyl-L-Tyrosine, and metabolic activation from yohimbe.
The effervescent technology transforms a functional necessity into something closer to cracking open a premium beverage than choking down another supplement. For pre-workout energy, all-nighters, or keeping sharp during demanding days, EFF'N Energy offers stimulation that actually tastes like you want to consume it.
As part of MuscleTech's commitment to innovation showcased throughout Episode #183 with Raza Bashir, the EFF'N line demonstrates how rethinking delivery methods can make supplementation more accessible and enjoyable without compromising effectiveness. Sometimes the best innovation isn't adding more ingredients -- it's reimagining how people actually want to consume them.
The future of energy supplementation is effervescent. And it's EFF'N good.
MuscleTech Eff'n Energy! – Deals and Price Drop Alerts
Get Price Alerts
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Disclosure: PricePlow relies on pricing from stores with which we have a business relationship. We work hard to keep pricing current, but you may find a better offer.
Posts are sponsored in part by the retailers and/or brands listed on this page.





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