Alpha Lion | IntraAlpha Lion
- SuppVault Score
- 83/100

Alpha Lion
10g EAAs plus taurine and branded hydration support
$39.99 $59.99A fully disclosed intra-workout amino and hydration formula built for training performance, not flavored water. It combines all 9 essential amino acids with taurine, coconut water, and electrolytes to support output and hydration. At 2 scoops, you get 10,000mg total amino acids.
Alpha Lion publishes test results from independent third-party labs. Svpplements links to the manufacturer’s data — we don’t test products ourselves.
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Super Human Intra covers amino acids and hydration, but it does not include creatine. Adding 3-5g creatine monohydrate daily complements this formula by improving phosphocreatine availability for repeated high-intensity efforts while the intra supports hydration and amino acid availability during the session.
Take daily; pre, intra, or post all work, with intra or post being convenient.
This formula is excellent during training, but it is not a replacement for a full protein serving. Pairing it with a high-quality post-workout protein helps turn the leucine/EAA signaling support from the intra into a complete total-protein recovery strategy over the rest of the day.
Use Super Human Intra during training and protein within 1-2 hours after if a meal is not already planned.
Because Super Human Intra is stim-free, it stacks cleanly with a pre-workout for users who want energy or pump support before training and hydration plus amino support during training. This creates a more complete two-phase workout strategy instead of trying to force a single product to do everything.
Take the pre-workout 20-30 minutes before training; sip Super Human Intra throughout the workout.
For athletes training in high heat or losing large amounts of sweat, a dedicated higher-sodium hydration product can extend what Super Human Intra already starts. This is especially useful when your need shifts from gym hydration support to true sweat replacement, since the amino formula's sodium dose is modest.
Use before and during long or high-heat sessions, with Super Human Intra still covering amino support.
If you are doing long sessions, two-a-days, or glycogen-demanding training, adding a simple carb source alongside this formula can improve intra-workout fueling. The amino acids support protein turnover while carbohydrate supports training energy, which is often the missing piece during very long sessions.
Mix alongside or sip in parallel during sessions lasting 60+ minutes or with high total volume.
This adds full EAA support, while Hydration is more narrowly focused on fluids and electrolytes.
Both target the same intra-workout lane with EAAs, BCAAs, and hydration support.
Super Human Intra has a fuller EAA profile instead of relying mainly on BCAAs.
It may appeal more to users wanting a broader repair-and-hydrate positioning beyond a simpler intra formula.
Side-by-side against the closest competitors. Score reflects clinical dosing, transparency, and testing.
Alpha Lion | IntraAlpha Lion
Alpha Lion | Hydration | 45 ServingsAlpha Lion
This adds full EAA support, while Hydration is more narrowly focused on fluids and electrolytes.
Compare side-by-side →
Axe & Sledge | A&S The Grind V3 | 30 ServingsAxe & Sledge
Both target the same intra-workout lane with EAAs, BCAAs, and hydration support.
Compare side-by-side →
Xtend | Original BCAA | 30 ServingsXtend
Super Human Intra has a fuller EAA profile instead of relying mainly on BCAAs.
Compare side-by-side →Comparison data combines live storefront pricing with our SuppVault analysis. Competitor scores reflect public-label data; manufacturer-side changes may not be reflected in real time.
Alpha Lion Super Human Intra is a fully disclosed intra-workout amino acid and hydration formula designed around a simple but important idea: during training, performance falls off for two main reasons—substrate depletion and fluid-electrolyte drift. This formula addresses both. At the amino acid level, it provides all 9 essential amino acids rather than stopping at BCAAs alone, which matters because leucine can trigger the muscle-building signal, but the full EAA spectrum is what gives the body the raw materials to continue protein synthesis. At the hydration level, it combines taurine, coconut water powder, sodium, and branded mineral complexes to support fluid balance, muscle contraction, and endurance when sessions get long or sweat losses rise.
The amino acid profile is intelligently centered on 3,000 mg of BCAAs per scoop in a classic 2:1:1 ratio: 1,500 mg L-leucine, 750 mg L-isoleucine, and 750 mg L-valine. Leucine is the star from a signaling standpoint because it activates mTOR, the central pathway that initiates muscle protein synthesis. At 1 scoop, leucine is useful but below the 2.5-5 g range often associated with maximizing the leucine trigger; at 2 scoops, you reach 3 g leucine, which is squarely in the clinical sweet spot. Isoleucine contributes glucose uptake into skeletal muscle, while valine supports muscle metabolism and can help attenuate central fatigue by competing with tryptophan transport across the blood-brain barrier.
What elevates this above a standard BCAA product is the remaining EAA matrix: L-threonine 625 mg, L-phenylalanine 625 mg, L-lysine 500 mg, L-methionine 137.5 mg, L-histidine 62.5 mg, and L-tryptophan 50 mg per scoop. These are not flashy label inclusions; they are the amino acids required to complete the protein synthesis equation. Threonine supports structural proteins and gut mucin production. Lysine is foundational for muscle tissue and collagen formation. Methionine contributes methylation chemistry and acts as a precursor to taurine and glutathione pathways. Histidine is a precursor to carnosine, while tryptophan and phenylalanine round out the essential amino acid profile needed for comprehensive protein-building support. On a 2-scoop serving, the total 10 g amino acid payload becomes much more meaningful for athletes using this during longer sessions or around lower-protein training windows.
Taurine at 1,000 mg per scoop is one of the strongest parts of the hydration-performance side of the formula. This is a clinically relevant dose, with human research supporting taurine in the 1-3 g range for endurance, cellular hydration, osmoregulation, and calcium handling in muscle. Subjectively, taurine tends to improve training “stability”: less cramping tendency, better endurance rhythm, and a more hydrated feel during high-volume work.
Electrolyte support is lighter than a dedicated heavy-sweat hydration formula, but still thoughtfully constructed. You get sodium at 75 mg, plus calcium 47.5 mg, potassium 40 mg, and phosphorus 40 mg from Calci-K®, a branded calcium-potassium-phosphate-citrate mineral complex. Calci-K® is a quality form that delivers these minerals in a bioavailable, performance-relevant matrix rather than as cheap commodity salts. Aquamin® adds 125 mg of trace minerals derived from red marine algae, broadening the mineral spectrum beyond the basic panel. Raw coconut water powder at 500 mg complements this with natural hydration support. This won’t replace an aggressive electrolyte protocol for ultra-endurance events or extreme heat, but for standard gym sessions it adds meaningful hydration support without bloating the formula.
AstraGin® at 25 mg rounds out the formula with an absorption-focused addition. This astragalus and Panax notoginseng extract is commonly included to support intestinal absorption pathways and improve uptake efficiency of amino acids and nutrients. It is not the hero ingredient, but it is a smart systems-level inclusion in an intra formula where delivery matters.
The synergy is clear: BCAAs provide the anabolic signal and anti-fatigue support, the rest of the EAAs complete the substrate pool, taurine and electrolytes support hydration and contractile function, and AstraGin® helps the whole formula absorb efficiently. Transparency is another real strength here. There are no proprietary blends. Every active and every dose is disclosed, which is still better than much of the category, where amino formulas often hide behind trademark-heavy matrices and underdosed hydration blends.
What to expect: on day 1, the most noticeable effects are better sip-to-sip hydration, less flatness during longer sessions, and a more sustained feel through high-volume work. Over 2-4 weeks of consistent use, the real benefit is cumulative training quality—fewer sessions where output drops late, better support during fasted or under-fueled training, and a more complete intra-workout amino strategy than BCAA-only products can offer.
Leucine functions as the primary amino acid signal for activating mTORC1, the central nutrient-sensing pathway that initiates muscle protein synthesis. That signaling role is why leucine-rich formulas are often anchored around a 2:1:1 BCAA ratio. However, signaling alone is not enough for sustained synthesis; the remaining essential amino acids must also be available as substrates. In practice, leucine helps turn the process on, while the full EAA matrix helps keep it going.
BCAAs provide three essential amino acids, but muscle protein synthesis requires access to all essential amino acids to proceed efficiently. If leucine activates mTOR without adequate substrate availability, the anabolic signal can become limited by missing building blocks. A full EAA formula addresses that bottleneck by supporting both signaling and raw material supply. This makes full-spectrum intra formulas more physiologically complete than BCAA-only products.
Taurine is an osmolyte, meaning it helps regulate cellular fluid balance under stress. During training, osmotic control can matter for muscle function, hydration status, and subjective endurance. Taurine also appears to support excitation-contraction processes and may reduce some exercise-related fatigue markers in certain settings. Its inclusion here strengthens the formula's hydration-performance bridge rather than serving purely as a recovery add-on.
Sodium, potassium, calcium, and phosphorus contribute to neuromuscular function, fluid regulation, and contractile efficiency. Sweat loss shifts electrolyte balance, which can gradually reduce output, especially in longer or hotter sessions. Replacing at least a portion of these minerals during training can help maintain fluid retention and training feel. In an intra-workout context, the goal is not maximal loading but steadier functional support while you train.
AstraGin is a botanical ingredient studied for its potential to influence intestinal transport mechanisms and absorption-related pathways. Its intended role is not direct performance stimulation but improved efficiency of nutrient handling. In a formula centered on amino acids and hydration, that makes it a supporting actor aimed at better utilization. The evidence base is still more supportive than definitive, but it fits logically into this type of product architecture.
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* 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.
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