ONE of ONE | Pre-Workout | 30 Servings

One of One Sport Pre-Workout is a moderate-stim, performance-first pre-workout built for repeatable training quality rather than maximum stimulant intensity. The formulation strategy is clear: combine a proven endurance base, a focused but not overwhelming energy profile, nootropic support for concentration under fatigue, and an electrolyte layer that many mainstream pre-workouts skip entirely. This is the kind of formula that suits athletes and lifters who want to train hard and stay sharp without needing 300-400mg of caffeine to feel anything.

The performance backbone starts with 3.2g beta-alanine, which is the established daily dose used to raise intramuscular carnosine over time. Carnosine buffers hydrogen ions that accumulate during hard efforts, which is why beta-alanine shines most during repeated high-intensity work where the burn normally forces output down. Day 1, some users will notice the familiar tingling sensation. Over 2-4 weeks of daily use, the real benefit is better fatigue resistance during longer sets, intervals, circuits, and volume-heavy training.

L-citrulline is included at 3g. Mechanistically, citrulline converts to arginine in the kidneys, raising nitric oxide production and supporting vasodilation and blood flow while also participating in ammonia clearance through the urea cycle. The honest assessment: this is below the 6-8g range most strongly supported in sports nutrition research, so it is not a fully clinical pump dose. It is still a meaningful inclusion, especially in a moderate-stim formula, but customers specifically chasing maximal pump and blood-flow support should know this is more of a supportive than aggressive citrulline dose.

Betaine anhydrous at 2g is another smart inclusion. Betaine functions as an osmolyte, helping cells regulate fluid balance, and it also contributes methyl groups in one-carbon metabolism. In sports nutrition, betaine is most often used to support power output, work capacity, and training quality. Research often centers around 2.5g daily, so 2g sits just below the most common clinical target but still in a useful range.

The focus complex is one of the formula's strongest areas. L-tyrosine at 1.5g provides a substantial amount of precursor material for dopamine, norepinephrine, and epinephrine synthesis, which matters most when stress and fatigue begin draining cognitive performance. Choline at 400mg from choline bitartrate adds substrate for acetylcholine production, supporting neuromuscular signaling and concentration. Huperzia serrata extract at 1mg standardized to 1% huperzine-A yields 10mcg huperzine-A, a light supportive dose for slowing acetylcholine breakdown. This is paired with 100mg NeuroRush, a branded coffee fruit extract used here for coffee polyphenols and smoother cognitive support rather than brute-force stimulation.

Energy is anchored by 150mg caffeine anhydrous, which places this squarely in moderate-stim territory. For most users, that means a clear rise in alertness and drive without the anxiety, appetite suppression, or late-day sleep disruption often seen with higher-stim products. The electrolyte system is also well judged: 250mg sodium, 220mg potassium, and 70mg magnesium as bisglycinate chelate support hydration, neuromuscular function, and contraction quality. The magnesium dose is not a full daily repletion dose, but bisglycinate is a premium, well-absorbed form and a sensible choice for pre-workout use.

From a transparency standpoint, this is a fully disclosed formula with no proprietary blends hiding key actives. That matters. You can evaluate every meaningful ingredient against the literature instead of guessing what a blend name contains. Expect the day-1 experience to be smooth energy, stronger mental lock-in, mild-to-moderate tingles, and better hydration support than typical basic pre-workouts. Over 2-4 weeks of consistent use, beta-alanine becomes the bigger story as carnosine levels rise and the formula's endurance benefits become much more noticeable.

How to Use One of One | Sport Pre-Workout | By Floyd Mayweather