L-Citrulline
Support blood flow for your pump.*
Helps your body make nitric oxide, a natural signal that helps blood vessels relax and supports the blood-flow side of your pump.*
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You bring the effort. We bring the support.*
From the first set to the last, your workout asks for focus, fluid balance and muscles ready to work. Krayon Fuel brings those needs together in one pre-workout formula.*
Krayon Fuel™ brings those priorities together through five integrated systems. Here are the ingredients revealed so far, organized by the systems they support.
Some ingredients appear in more than one system. Each still has one amount per full two-scoop serving. The reference list below brings all 11 revealed ingredients together.
Support blood flow. Bring the pump.*
A training pump involves blood flow and hydration. This system brings together five complementary approaches to support both.*
All amounts per full 2-scoop serving
Support blood flow for your pump.*
Helps your body make nitric oxide, a natural signal that helps blood vessels relax and supports the blood-flow side of your pump.*
Supports how blood vessels regulate tension.*
Milk-derived peptides support vessel flexibility, complementing the blood-flow side of your pump.*
Support the hydration behind fullness.*
Helps muscle cells maintain water balance, contributing to the cellular hydration side of your pump.*
(Also in System 03: Precision Electrolytes and System 05: Performance Optimization)
Support muscle cell volume.*
Helps regulate water within cells, supporting the fluid balance that contributes to muscle cell volume.*
(Also in System 03: Precision Electrolytes and System 05: Performance Optimization)
Support fluid for your pump.*
From pink Himalayan salt. Helps maintain fluid balance and blood volume, supporting the fluid side of your pump.*
(Also in System 03: Precision Electrolytes and System 05: Performance Optimization)
Built to help you lock in.*
A nootropic is an ingredient selected for mental performance. This system brings together different roles in attention and mental engagement so you can keep your mind on the work.*
All amounts per full 2-scoop serving
Keep your mind on the work.*
Supports attention and alertness so you can stay mentally engaged with the workout ahead.*
(Also in System 04: Controlled Energy and System 05: Performance Optimization)
Support attention to the task.*
An amino acid found in tea. Studied with caffeine for attention, including switching between tasks.*
(Also in System 04: Controlled Energy)
Support attention-related messengers.*
Provides a building block for dopamine and other brain messengers involved in attention and responses to demanding situations.*
Support brain communication.*
Supplies choline, which your body uses to make acetylcholine, a messenger involved in attention and memory.*
Nourish normal brain function.*
Helps make the chemical messengers that allow brain cells to communicate, supporting normal nervous-system function.*
(Also in System 04: Controlled Energy)
Hydrate with purpose.*
Water is essential to training. Electrolytes help your body manage that water and support the signals that keep muscles working.* Follow the label's mixing directions and stay hydrated throughout your session.
All amounts per full 2-scoop serving
Replenish an electrolyte lost in sweat.*
From pink Himalayan salt. Supplies sodium, a key electrolyte lost in sweat that helps regulate fluid outside cells.*
(Also in System 01: 5-Mechanism Pump Matrix and System 05: Performance Optimization)
Help cells manage water.*
Acts as an osmolyte: a compound that helps cells maintain water balance as fluid conditions change.*
(Also in System 01: 5-Mechanism Pump Matrix and System 05: Performance Optimization)
Support cellular hydration.*
Helps cells regulate water and maintain their volume, contributing to normal fluid balance.*
(Also in System 01: 5-Mechanism Pump Matrix and System 05: Performance Optimization)
Bring the energy. Stay in control.*
“Controlled” describes the formula’s design: one clearly stated caffeine dose, alongside ingredients selected for focus and normal nutrient use.* Caffeine sensitivity varies.
All amounts per full 2-scoop serving
Feel awake and ready.*
The formula's only stimulant. Helps you feel more awake by blocking adenosine, a signal associated with sleepiness.*
(Also in System 02: Advanced Nootropic System and System 05: Performance Optimization)
Pair energy with attention.*
Paired with caffeine to support attention, adding a focus role alongside caffeine's stimulating effect.*
(Also in System 02: Advanced Nootropic System)
Help your body use its fuel.*
Supports the metabolism of carbohydrates and protein, helping your body use nutrients for normal energy needs.*
(Also in System 02: Advanced Nootropic System)
Support the work. Build consistency.*
A good session takes energy, working muscles and the ability to keep applying effort. This system connects those needs with support that develops over time.*
All amounts per full 2-scoop serving
Support sustained, intense effort.*
With daily use over weeks, builds muscle carnosine to help buffer acidity during hard efforts.*
Support muscles under demand.*
Helps maintain the cellular water balance that supports normal muscle cell function during training.*
(Also in System 01: 5-Mechanism Pump Matrix and System 03: Precision Electrolytes)
Support muscle contraction.*
Contributes to the processes muscles use to contract, supporting normal muscle function during exercise.*
(Also in System 01: 5-Mechanism Pump Matrix and System 03: Precision Electrolytes)
Support muscle activation.*
From pink Himalayan salt. Helps carry the electrical signals nerves use to activate muscles during exercise.*
(Also in System 01: 5-Mechanism Pump Matrix and System 03: Precision Electrolytes)
Make hard effort feel more manageable.*
Can reduce how hard exercise feels, supporting your ability to take on demanding training.*
(Also in System 02: Advanced Nootropic System and System 04: Controlled Energy)
Beta-alanine’s contribution builds through repeated daily intake over several weeks and may support high-intensity exercise capacity.* The tingling some people feel is separate from this gradual benefit.
Each ingredient is listed once below. All amounts are per full serving (2 scoops).
| Ingredient | Per 2 scoops |
|---|---|
| Vitamin B6 (as pyridoxal 5-phosphate · P5P) | 10 mg |
| Sodium (from Pink Himalayan Salt) | 400 mg |
| L-Citrulline | 8,000 mg |
| Beta-Alanine | 3,200 mg |
| Betaine Anhydrous | 2,500 mg |
| L-Tyrosine | 2,000 mg |
| Taurine | 1,500 mg |
| VasoDrive-AP® | 508 mg |
| Alpha-GPC (active Alpha-GPC) | 300 mg |
| Caffeine Anhydrous | 250 mg |
| L-Theanine | 200 mg |
11 of the 17 ingredients revealed so far. Six more ingredients still to come. The complete Supplement Facts panel will be published before launch.
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