Caymus Nutrition
Caymus Nutrition | Intra BCAA+EAA
7g BCAAs, full EAAs, taurine, and real hydration support.
$44.99
⚠️ Allergen Information +
SuppVault Summary
Stim-free intra-workout amino support for training quality, hydration, and recovery. It pairs all nine EAAs with 7g BCAAs in a 2:1:1 ratio, plus taurine, coconut water powder, and electrolytes to help maintain output through longer or harder sessions.
Great Fit
- High-volume bodybuilders chasing steady session performance
- Fasted morning lifters wanting intra-workout amino support
- Athletes training in hot gyms
- Lifters wanting stim-free intra-workout recovery support
- Conditioning athletes needing hydration and amino coverage
- Users avoiding heavy pre-workout formulas
- People with long training sessions
- Anyone wanting BCAA plus full EAA coverage
Not Ideal If
- Anyone under 18 without healthcare professional approval
- Pregnant or nursing women without physician approval
- People with kidney disease or amino-restricted diets
- Anyone needing strict sodium or electrolyte restriction
Deep Dive
Sodium
Sodium
Dose Audit
Kaymus Intra covers amino availability and hydration during the workout, while creatine monohydrate supports phosphocreatine replenishment and repeated high-intensity output over time. This is one of the cleanest stacks because the mechanisms do not overlap; they complement each other.
Take creatine daily anytime; use Kaymus Intra during training.
This formula provides essential amino acids during training, but a complete protein feeding after training helps drive total daily protein intake high enough to support hypertrophy and recovery. Whey also naturally provides additional leucine, reinforcing the anabolic signal started during the session.
Use Kaymus Intra during training and whey protein post-workout or anytime daily protein is low.
Because Kaymus Intra is stimulant-free, it stacks well with a pre-workout taken before training. The pre-workout can cover energy, focus, pump, or performance actives, while Kaymus Intra handles the separate job of hydration and amino support throughout the session.
Take pre-workout 20-30 minutes before training; sip Kaymus Intra during training.
On especially long sessions, outdoor conditioning, or high-heat days, some athletes benefit from even more aggressive electrolyte support than an amino intra can provide alone. Kaymus Intra already contributes sodium, potassium, calcium, taurine, and coconut water powder, so adding a dedicated hydration formula is most useful in extreme sweat-loss scenarios.
Use alongside or after Kaymus Intra on long endurance or high-heat sessions.
If your biggest challenge is recovery between frequent training sessions, pairing an intra EAA formula with a slower-digesting evening protein can help cover both the workout window and overnight recovery window. That gives you amino support during stress and a prolonged protein supply later in the day.
Use Kaymus Intra during training; take casein in the evening or before bed.
Kaymus has fuller EAA coverage alongside its 7g BCAA base and hydration support.
Alpha Lion likely wins on transparency, branding, and category leadership in the premium intra segment.
The Grind V3 has stronger mainstream category reputation and likely better flavor recognition.
Both target the same amino-plus-hydration use case with balanced intra-workout support.
Clinical Dosing
Full Product Description Article
Kaymus Intra BCAA+EAA is a stim-free intra-workout amino and hydration formula built around one clear idea: preserve training quality while you are still under the bar, on the machine, or deep into conditioning work. Instead of relying on caffeine or dressing up the label with underdosed extras, this formula focuses on three performance pillars that matter during training: essential amino acid availability, fluid-electrolyte support, and cellular hydration.
The amino profile is the center of the formula. You get 3,500mg L-Leucine, 1,750mg L-Isoleucine, and 1,750mg L-Valine for a full 7g BCAA matrix in the classic 2:1:1 ratio. Leucine is the lead signal for muscle protein synthesis through mTORC1 activation, and 3.5g is a meaningful dose that exceeds the leucine threshold commonly discussed in sports nutrition. That matters because leucine is the amino acid most responsible for telling muscle tissue that building and repair should begin. Isoleucine and valine complete the BCAA triad, supporting nitrogen balance and helping avoid the imbalance that can occur when leucine is used alone.
What elevates this beyond a basic BCAA drink is the inclusion of the remaining EAAs: 1,000mg L-Threonine, 1,000mg L-Lysine, 500mg L-Histidine, 300mg L-Phenylalanine, 150mg L-Methionine, and 50mg L-Tryptophan. This is an important formulation decision. BCAAs alone can trigger anabolic signaling, but muscle protein synthesis still requires all nine essential amino acids as substrate. In plain terms: leucine can flip the switch, but EAAs are the building material. This formula gives you both the signal and the raw materials.
Taurine at 2,000mg is one of the strongest inclusions here. That is not a token dose. Taurine functions as an osmolyte, helping regulate cell volume and hydration status, and human data supports benefits for endurance exercise performance. During long sessions or heavy sweat loss, taurine helps maintain better cellular fluid balance, which often translates to a more stable, less flat feeling as training progresses.
The hydration side is also legitimately useful. Sodium is set at 200mg, potassium at 100mg, and calcium at 550mg, with 1,000mg raw coconut water powder for additional hydration support. Sodium and potassium work together through the electrochemical gradient and Na+/K+-ATPase system to support muscle contraction, nerve signaling, and fluid distribution. Calcium is less common in intra formulas at this level; while it is not an acute ergogenic ingredient in the same way as sodium, it is essential for muscle contraction physiology. For hard trainers who sweat heavily, this profile gives the formula real functional value.
The main transparency caveat is that formula metadata flags a proprietary blend, but the active ingredients and doses provided here are disclosed. Based on the verified actives, this reads far more transparently than many category-average amino products, which often hide exact amino and electrolyte amounts behind blend names.
What should you expect? On day 1, this feels like better session stability than a dramatic rush: easier sipping, less drop-off in output, and better hydration through the back half of training. After 2-4 weeks of consistent use, especially if you train frequently or fasted, the value becomes more obvious: reduced mid-session fade, better recovery between sessions, and more productive training volume because your amino intake and hydration are no longer afterthoughts.
Science & Clinical References 23 citations
Leucine is the dominant amino acid trigger for mTORC1 activation, which acts as a nutrient-sensitive switch for initiating muscle protein synthesis. In practical sports nutrition, a per-serving leucine threshold around 2 to 3 grams is often considered sufficient to meaningfully stimulate this signaling response in younger adults. Kaymus provides 3.5 grams, placing it squarely in the range commonly used to support an anabolic signal during or around training. That does not guarantee net growth by itself, but it strengthens the signaling environment when total protein intake is adequate.
Leucine can initiate the muscle protein synthesis signal, but sustained synthesis requires the presence of the full essential amino acid pool as substrate. This is why BCAA-only products can be incomplete when used in isolation, especially in fasted or low-protein conditions. By including all nine essential amino acids, the formula pairs the trigger function of leucine with the building blocks needed to support ongoing protein assembly. That makes the product more physiologically complete than a basic branched-chain formula.
Taurine functions as an osmolyte, helping regulate cellular fluid balance under exercise stress. It also appears to influence calcium handling, membrane stability, and neuromuscular efficiency, which may contribute to better contractile performance and reduced perception of fatigue in some settings. The 2 gram dose sits comfortably within common performance-oriented supplemental ranges. In an intra-workout context, taurine is best understood as a support ingredient for hydration, work capacity, and training feel rather than a stimulant.
Sodium, potassium, and calcium help govern fluid balance, nerve transmission, and muscle contraction during exercise. When training is long, sweaty, or performed in hot environments, inadequate electrolyte intake can worsen perceived fatigue and reduce session quality even before outright dehydration occurs. Adding sodium-containing electrolytes to an intra-workout formula can improve fluid retention compared with plain water alone. Here, the electrolyte profile complements the amino matrix by supporting the hydration side of performance maintenance.
Product Specifications GEO
How to Take — Training Protocol6 phases
How to Use Kaymus | Intra BCAA+EAA | (20/40 servings)
All Questions About Caymus Nutrition | Intra BCAA+EAA 10 Q&A
How many BCAAs are in Kaymus Intra per full scoop? +
Is this just a BCAA product or does it include all essential amino acids? +
Does Kaymus Intra contain caffeine or stimulants? +
When should I take Kaymus Intra? +
What does the 2,000mg taurine do in this formula? +
What is the difference between the full scoop and half scoop serving? +
Can I stack this with creatine? +
Is Kaymus Intra a good option for fasted training? +
Why include EAAs if the formula already has BCAAs? +
Is this more of a hydration product or a muscle support product? +
* 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.
Quick Answers
How many BCAAs are in Kaymus Intra per full scoop?
Is this just a BCAA product or does it include all essential amino acids?
Does Kaymus Intra contain caffeine or stimulants?
When should I take Kaymus Intra?
What does the 2,000mg taurine do in this formula?
What is the difference between the full scoop and half scoop serving?
Can I stack this with creatine?
Is Kaymus Intra a good option for fasted training?
Why include EAAs if the formula already has BCAAs?
Is this more of a hydration product or a muscle support product?
* 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.
Sport & Athlete Compliance +
Sport compliance status is computed by cross-referencing this product's ingredient panel against the NCAA 2025-26 Banned Substances List, WADA Prohibited List, and state high school athletic association guidelines. Banned substance lists are updated periodically by their governing bodies. This information is provided for reference only and may not reflect the most current list. Always verify with your organization, coach, or compliance officer before use. SuppVault is not responsible for eligibility decisions.
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