Unmatched Supps INTRA: Kris Gethin's Advanced Intra-Workout Formula with 25g Vitargo

Unmatched Supps INTRA brings 25g Vitargo, 5g vegan fermented EAAs, Velositol, and VitaCherry Sport to fuel your training sessions. Rapid-acting carbs meet muscle-sparing aminos for performance when it matters most. No artificial colors or sweeteners.

When you're deep in a grueling training session, your body's demand for fuel and hydration hits critical levels. Most athletes wait until after the workout to address recovery, but that approach leaves performance on the table. Unmatched Supps INTRA changes the equation by delivering exactly what your muscles need during training: rapid-acting carbohydrates, muscle-sparing amino acids, and targeted hydration support.

An Unmatched Intra: Vitargo Leads the Charge

The foundation of INTRA is 25g of Vitargo, a patented high-molecular-weight carbohydrate that's been the secret weapon of elite athletes for years. Unlike standard carb sources that can sit heavy in your stomach, Vitargo empties faster and replenishes glycogen more efficiently. It's the same ingredient trusted by over 200 Olympic athletes worldwide, and Unmatched has secured the rights to bring it to their North American customers.

But Vitargo is just the beginning. INTRA layers in 5g of vegan fermented EAAs in a research-backed ratio to drive protein synthesis and prevent catabolism mid-workout. Velositol amplifies these effects, while VitaCherry Sport provides inflammation support and faster recovery. An electrolyte matrix with freeze-dried coconut water and a 3:2 potassium:sodium ratio rounds out the formula, ensuring you stay hydrated and performing at your peak.

True to the Unmatched philosophy we've seen in products like BH2K Pre-Workout and the comprehensive Longevity Multi, INTRA is formulated without artificial colors, dyes, or sweeteners. This is performance supplementation designed for athletes who refuse to compromise on quality.

Subscribe to PricePlow's Unmatched Supps news and check availability, then let's dig into the science:

Unmatched INTRA Ingredients

Each serving (1 scoop, 40.3g) delivers 110 calories, 26g total carbohydrates, and a solid electrolyte matrix including 200mg sodium, 300mg potassium, 125mg magnesium, and 1000mcg chromium (from Velositol).

The formula is built around two primary blends:

• Performance Blend

  • Vitargo (Fractioned Amylopectin Starch) - 25000mg

    Vitargo is a patented high-molecular-weight carbohydrate derived from waxy barley starch, with a molecular weight between 500,000-700,000 daltons. This puts it in a completely different class than standard maltodextrin (molecular weight ~500), and that structural difference translates directly into performance advantages.

    The size matters because it affects how quickly the carbohydrate moves through your digestive system. Research using a double-sampling gastric aspiration technique found that a Vitargo solution emptied from the stomach twice as fast as an isoenergetic maltodextrin solution during the first 10 minutes post-ingestion, with a half-emptying time of 17.0 minutes compared to 32.6 minutes for maltodextrin.^[1] Despite the lower osmolality (62 mosmol/kg vs 336 mosmol/kg), there were no differences in blood glucose or insulin response between the solutions, suggesting the faster delivery was efficiently captured by tissues rather than simply spiking blood sugar.

    This rapid gastric emptying translates into superior glycogen replenishment. When consumed immediately post-exercise, Vitargo increased muscle glycogen synthesis rate by 70% during the first two hours of recovery compared to an isoenergetic maltodextrin solution (50.2 vs 29.9 mmol/kg dry mass/hour).^[2]

    The real test is whether faster glycogen replenishment improves subsequent performance. Following glycogen-depleting cycling exercise, subjects who consumed Vitargo performed 10% more work during a 15-minute cycling time trial two hours later compared to those who consumed maltodextrin.^[3]

    Perhaps most relevant for INTRA's intra-workout application, research examining resistance exercise found that ingesting high-molecular-weight carbohydrate after glycogen-depleting exercise substantially attenuated the decline in power output during subsequent repeated maximal back squat sets. The advantage was driven by higher movement velocity, with the benefit increasing in set 1 to 6.4% by set 5 compared to low-molecular-weight carbohydrate.^[4]

    In INTRA, you're getting 25g of Vitargo designed to maintain performance during training rather than just recover afterward. By sipping throughout your session, you're providing your muscles with rapidly available fuel exactly when glycogen depletion would otherwise compromise force output and training quality.

  • L-Glutamine - 2000mg

    

    Glutamine is the most abundant free amino acid in skeletal muscle, accounting for roughly 50-60% of the total free amino acid pool.^[5] During intense training, plasma glutamine levels can drop by up to 50%, depleting the muscle stores your body depends on for recovery and immune function.^[6]

    The 2g dose in INTRA addresses this depletion in real-time. By maintaining glutamine availability during training, you're supporting several critical processes: preserving muscle tissue when energy demands are highest, providing fuel for immune cells (which consume glutamine at rates similar to or exceeding glucose), and helping manage the nitrogen balance that determines whether your body maintains or loses muscle mass.

    Intense exercise suppresses immune function, and glutamine plays a central role in immune cell metabolism. Supplementing during your workout helps offset the decreased glutamine synthesis from muscle that occurs during high-intensity training. While 2g is a moderate dose compared to clinical applications, the timing matters - delivering glutamine when plasma levels are falling prevents the cascade of muscle breakdown that occurs when stores become depleted.

  • Velositol Amylopectin Chromium Complex - 2000mg

    Velositol is a patented complex combining chromium picolinate, chromium histidinate, and amylopectin starch (more high-quality carbs!), designed to amplify the muscle-building response to protein and amino acids. The chromium components enhance insulin sensitivity and cellular signaling, while the amylopectin serves as a delivery vehicle that accelerates absorption.

    

    Research demonstrates Velositol's effectiveness at precisely this 2g dose. When combined with protein, it increased muscle protein synthesis rates significantly beyond protein alone in resistance-trained individuals.^[7] An eight-week training study showed athletes using Velositol with protein experienced greater improvements in lower-body power, vertical jump height, and muscular endurance compared to equivalent protein doses alone.^[8]

    In INTRA's formula, Velositol works synergistically with the 5g EAA blend to maximize amino acid utilization during training. By enhancing insulin signaling pathways, it helps drive amino acids into muscle tissue more efficiently, supporting both immediate performance and post-workout recovery adaptations.

  • Taurine - 1000mg

    At 1g per serving, taurine delivers multifaceted support for training performance and recovery. This conditionally essential amino acid functions as a cellular osmolyte, helping maintain proper hydration and cell volume during intense exercise when fluid shifts can compromise muscle function.

    Taurine's primary training benefit comes from enhanced calcium handling in both skeletal and cardiac muscle.^[9] By modulating calcium release and uptake in muscle cells, taurine supports sustained contractile force throughout extended training sessions. This mechanism directly addresses the muscle fatigue that typically builds during the demanding workouts where INTRA is consumed.

    A meta-analysis examining doses from 1-6g confirms that acute taurine supplementation improves endurance performance by a measurable magnitude in human subjects.^[10] The metabolic advantages driving these improvements are valuable for intra-workout nutrition: taurine shifts fuel utilization toward fat oxidation while reducing reliance on glycolytic pathways, improving overall metabolic efficiency during exercise. Combined with its antioxidant properties that help stabilize the mitochondrial matrix and protect against exercise-induced oxidative stress, taurine ensures your muscles perform optimally when glycogen-sparing becomes critical.

  • Coconut Water Powder (Cocos nucifera) - 500mg

    

    Freeze-dried coconut water powder brings a whole-food electrolyte source to INTRA's hydration matrix. Natural coconut water contains potassium alongside small amounts of calcium, magnesium, and bioactive compounds like cytokines that aren't found in isolated mineral salts. While research shows straight coconut water performs comparably to manufactured sports drinks for post-exercise rehydration, the additional potassium doesn't provide advantages beyond conventional sports drink formulations with adequate sodium.^[11]

    The 500mg dose contributes a touch of potassium to INTRA's total of 300mg, pushing total potassium closer to the amounts lost during extended training sessions (typically 5-8 mmol/L of sweat, varying by individual and conditions). The freeze-dried format concentrates these minerals while maintaining coconut water's phytonutrient profile, supporting both immediate hydration needs and the broader mineral replenishment that sustains performance across multiple training days.

  • VitaCherry Sport Whole Tart Cherry (Prunus cerasus) (Fruit) - 500mg

    VitaCherry Sport adds targeted recovery support through Montmorency tart cherry's rich anthocyanin content. In the intra-workout window, this matters because exercise generates oxidative stress and inflammatory signaling that can impair subsequent performance and recovery.

    The research backing tart cherry consumption is solid: eight of nine studies examining exercise-induced muscle damage found significant reductions in muscle soreness and strength loss.^[12] The mechanism centers on cyanidin-3-glucoside and related anthocyanins, which function as potent antioxidants while modulating cyclooxygenase (COX) enzyme activity.

    

    At 500mg of whole tart cherry, INTRA provides anthocyanins when your muscles face peak oxidative challenge. This isn't about masking damage after training - it's about limiting the inflammatory cascade while training continues. Combined with the EAAs preventing protein breakdown and Vitargo maintaining glycogen stores, VitaCherry Sport rounds out a complete approach to intra-workout performance and recovery.

    The dose falls within the effective range established in research, making this more than a recovery afterthought.

• Vegan Fermented EAAs (5g)

  Research consistently demonstrates that complete essential amino acid formulas outperform isolated amino acids or partial combinations. A landmark 2016 study compared four post-exercise conditions: placebo, leucine alone, all three BCAAs, and complete EAAs.^[13] The results showed a clear hierarchy: EAAs produced ninefold increases in S6K1 activity, significantly higher than BCAAs, which outperformed leucine alone. The critical insight is that leucine by itself depleted muscle isoleucine by 55% and valine by 42% during recovery, creating substrate limitations for protein synthesis.

  This substrate availability problem explains why BCAAs alone stimulate muscle protein synthesis approximately 22% above placebo but remain roughly 50% less effective than whey protein containing similar BCAA amounts.^[14] Complete EAA formulas activate anabolic signaling more effectively and maintain the amino acid pool necessary for sustained protein synthesis. INTRA's 5g EAA blend provides this complete profile in a research-informed ratio designed to maximize both signaling and substrate availability during training.

  Now let's get into each individual essential amino, starting with the three BCAAs:

  • L-Leucine - 1750mg

    Leucine serves as the primary metabolic trigger for muscle protein synthesis through direct activation of mTORC1 signaling. When leucine binds to leucyl-tRNA synthetase, it initiates a cascade activating S6K1 and suppressing 4E-BP1, the key regulators controlling translation initiation. This makes leucine uniquely powerful among amino acids for signaling anabolic responses.

    

    The 1750mg dose represents 35% of INTRA's total EAA content, creating the leucine-rich environment needed for maximal mTORC1 activation during training. However, leucine's effectiveness depends entirely on the presence of other amino acids. Research shows leucine alone causes substantial depletion of the other BCAAs from muscle tissue, ultimately limiting protein synthesis despite strong initial signaling.^[13] INTRA's complete formula prevents this substrate depletion while maintaining leucine's critical signaling role.

    Leucine also stimulates insulin secretion when consumed with carbohydrates, enhancing glucose clearance and nutrient partitioning.^[15] Combined with Vitargo's rapid-acting carbohydrates, this creates optimal conditions for glycogen replenishment and amino acid uptake during training.

  • L-Isoleucine - 875mg

    Isoleucine potentiates leucine's anabolic effects while contributing unique metabolic functions. Research demonstrates that isoleucine enhances S6K1 phosphorylation through activation of leucyl-tRNA synthetase, creating synergistic effects when combined with leucine.^[13]

    Beyond mTORC1 signaling, isoleucine plays a significant role in glucose regulation and energy metabolism. During intense training, isoleucine supports glucose uptake in muscle tissue and helps maintain stable blood sugar levels. The amino acid also undergoes preferential oxidation during exercise, providing an alternative fuel source that spares muscle glycogen.

    

    The 875mg dose (representing a 2:1 leucine-to-isoleucine ratio) prevents the substrate depletion observed with leucine-only supplementation. When leucine is consumed without isoleucine, muscle isoleucine concentrations can drop by more than 50%, severely limiting the protein synthetic response despite strong mTORC1 activation. INTRA's balanced approach ensures substrate availability matches the anabolic signal.

  • L-Valine - 875mg

    Valine completes the BCAA trio with complementary effects on protein synthesis and energy metabolism. While valine's individual signaling capacity is modest compared to leucine, its presence substantially enhances the anabolic response to leucine and isoleucine.^[13]

    Like isoleucine, valine serves as an oxidative fuel during prolonged or intense training. The branched-chain structure allows rapid catabolism in muscle tissue, providing energy while protecting amino acids destined for protein synthesis. This metabolic flexibility becomes critical during extended training sessions when glycogen stores decline.

    The combination of all three BCAAs at this 2:1:1 ratio (leucine:isoleucine:valine) prevents the dramatic depletion of individual amino acids observed with isolated BCAA supplementation. Research shows valine concentrations drop 42% when only leucine is provided, creating rate-limiting conditions for protein synthesis. INTRA's complete BCAA profile maintains the substrate pool necessary for sustained anabolic responses throughout training.

  • L-Lysine (from L-Lysine Hydrochloride) - 763mg

    Lysine is essential for protein synthesis and serves as a limiting amino acid in many protein sources. The body cannot synthesize lysine endogenously, making adequate intake critical for maintaining positive nitrogen balance during training. Lysine undergoes approximately 30% first-pass splanchnic oxidation, meaning significant quantities are metabolized in the intestine and liver before reaching systemic circulation.^[16]

    Beyond its role as a protein synthesis substrate, lysine contributes to carnitine synthesis, calcium absorption, and collagen formation. During intense training when tissue remodeling accelerates, lysine requirements increase substantially. The hydrochloride form provides enhanced stability and solubility, ensuring rapid absorption when consumed during training.

  • L-Threonine - 500mg

    

    Unmatched Supps BH2K isn't your typical pre-workout. CreGAAtine technology, zero artificial ingredients, and a stimulant that won't wreck your sleep. Kris Gethin and Doug Miller created something different here.

    Threonine serves critical roles in protein synthesis and intestinal function. Research shows threonine has the highest first-pass intestinal metabolism of all essential amino acids, with requirements 60% higher when consumed orally versus intravenously.^[17] This high intestinal demand reflects threonine's essential role in mucin production and gut barrier integrity.

    The amino acid also contributes to immune function through antibody production and supports liver function through phospholipid synthesis. During training stress when both immune and digestive demands increase, threonine availability becomes critical for maintaining gut health and preventing immune suppression.

  • L-Phenylalanine - 100mg

    Phenylalanine is the precursor for tyrosine, which subsequently converts to dopamine, norepinephrine, and epinephrine. While the body can convert phenylalanine to tyrosine, maintaining adequate phenylalanine availability ensures this conversion doesn't become rate-limiting for catecholamine synthesis.^[18]

    First-pass intestinal metabolism of phenylalanine averages 30%, similar to lysine. During extended training when catecholamine turnover increases, phenylalanine requirements rise to support neurotransmitter synthesis. The 100mg dose provides substrate without excess, preventing competition with other aromatic amino acids for absorption.

  • L-Histidine (from L-Histidine Hydrochloride) - 50mg

    Histidine contributes to several metabolic pathways relevant to exercise performance. As the precursor to carnosine (a muscle buffer), histidine supports pH regulation during intense contractions. Histidine also acts as a metal ion chelator, supporting various enzymatic reactions.^[19]

    

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    The relatively modest 50mg dose reflects histidine's lower requirement compared to other EAAs. Histidine metabolism is complex, with tissue concentrations remaining relatively stable even with variations in dietary intake. The dose here provides adequate substrate for carnosine synthesis and metabolic functions without excess that might interfere with other amino acid metabolism.

  • L-Methionine - 50mg

    Methionine plays critical roles in methylation reactions and serves as the precursor for S-adenosylmethionine (SAMe), the body's universal methyl donor. These methylation reactions regulate gene expression, neurotransmitter synthesis, and cellular metabolism. Methionine also serves as the precursor for cysteine, supporting glutathione synthesis and antioxidant defenses.^[20]

    The conservative 50mg dose provides these essential functions without excessive intake. Higher methionine doses can produce sulfurous off-flavors and increase homocysteine formation. The modest amount in INTRA contributes to complete EAA coverage while maintaining favorable taste characteristics and metabolic balance.

  • L-Tryptophan - 37mg

    Tryptophan serves as the precursor for serotonin, melatonin, and niacin (vitamin B3). The small 37mg dose often raises concerns about sedation, but this worry lacks scientific foundation at these levels. Serotonin synthesis from tryptophan requires multiple cofactors and competing with other amino acids for blood-brain barrier transport. During training when BCAAs are elevated (as with INTRA), tryptophan transport into the brain actually decreases, making sedation effects implausible.^[21]

    

    The Unmatched 2SHRED System offers stimulant-free 24-hour weight management with separate AM/PM formulas. Founded by Kris Gethin and Doug Miller, this system works around the clock without artificial ingredients.

    The dose here contributes to complete EAA coverage without producing drowsiness. Tryptophan's relatively low requirement compared to other EAAs means modest amounts suffice for protein synthesis and metabolic functions. The combination with other amino acids, carbohydrates, and the physical training context creates an environment where tryptophan supports recovery rather than inducing sedation.

A small hat-tip to the formulators for keeping a 3:2 potassium:sodium ratio -- great touch there! Aside from possibly magnesium, potassium is the most underrated and under-ingested mineral.

Flavors Available

Here's an up-to-date list of all flavors of Unmatched Supps INTRA:

How to Use

• When to take it: Sip INTRA throughout your training session, starting at the beginning of your workout and finishing by the end.
• Dosage flexibility: For shorter or less intense sessions, you can use half a scoop. For extended training (90+ minutes) or particularly demanding workouts, a full scoop provides optimal fuel and recovery support.

Stacks Well With

• BH2K Pre-Workout: The natural pairing. BH2K delivers the energy and focus to start your training, while INTRA sustains performance throughout the session.
• 2SHRED System: If you're in a fat loss phase, INTRA's timed carbohydrates support training intensity without derailing your daily macros. The 26g of carbs are strategically placed when your body needs them most.
• Longevity Multi: Complete daily nutrition support ensures your body has the foundational vitamins, minerals, and antioxidants to maximize recovery and adaptation from the training INTRA helps fuel.

You're not crazy for also wanting to throw Unmatched Supps Longevity Test into a stack for a couple of months!

Who It's For

• Serious athletes and dedicated trainers: If you're putting in the work with high-intensity training sessions or extended workouts lasting 60+ minutes, INTRA delivers the fuel your muscles demand in real-time.
• Anyone who loves carbs but is in a calorie deficit: INTRA's rapid-acting carbohydrates and muscle-sparing EAAs become even more critical when you're not coming into training fully fueled.
• Athletes looking to optimize recovery: By addressing glycogen depletion and muscle protein breakdown during training rather than after, you're getting ahead of recovery demands instead of playing catch-up.

Conclusion: Fueling Performance When It Matters Most

Unmatched Supps INTRA represents exactly what we've come to expect from Kris Gethin and Doug Miller: massive solutions backed by quality ingredients at meaningful doses. The 25g Vitargo base provides the rapid gastric emptying and efficient glycogen replenishment that serious athletes need, while the EAA profile and supporting ingredients create a complete intra-workout system.

Unmatched Supps Longevity Test targets testosterone optimization through 8 clinically-dosed ingredients. KSM-66 Ashwagandha, Furosap, Tongkat Ali, and apigenin work together to support natural test production while managing cortisol and estrogen.

This formula reflects the same no-compromise philosophy that defines the entire Unmatched lineup. Just as Longevity Test addressed hormonal optimization from multiple angles and the 2SHRED system revolutionized 24-hour weight management, INTRA tackles the critical but often overlooked window during training when your body's demands are highest.

The inclusion of premium ingredients like Vitargo, Velositol, and VitaCherry Sport, combined with a complete electrolyte matrix and vegan fermented EAAs, creates synergistic support for endurance, recovery, and performance. All of this comes without artificial sweeteners, colors, or dyes, staying true to Unmatched's commitment to both immediate performance and long-term health.

For athletes who understand that the work you do during training determines the results you see afterward, INTRA provides the fuel and support to maximize every rep, every set, and every session. When you're ready to stop leaving performance on the table, this is the intra-workout formula that delivers.