ONE of ONE | Hydration | 30 Servings

ONE of ONE Hydration is a minimalist performance hydration formula built around a straightforward idea: replace the electrolytes most responsible for fluid balance and muscle function, then add taurine to support intracellular hydration and exercise output. This is not an overbuilt pre-workout pretending to be a hydration product. It is a stim-free powder designed to improve how you feel and perform when sweat loss, travel, heat, or low fluid intake start dragging down energy, endurance, and muscle function.

The anchor here is sodium at 500mg from pink Himalayan sea salt. For real-world hydration, sodium matters more than flashy label dressing because it helps maintain extracellular fluid volume, supports nerve transmission, and improves water retention instead of letting fluids pass straight through. In practice, that means better thirst response, more effective rehydration, and more stable performance during long training sessions or hot conditions. Many hydration products underdeliver sodium because brands fear the number on the label; this one does not.

Potassium is set at 305mg as tri-potassium citrate monohydrate. Potassium is the primary intracellular electrolyte, meaning it helps regulate fluid status inside the cell, supports membrane potential, and works with sodium to maintain proper muscular and nervous system function. The sodium-potassium relationship is more important than either mineral in isolation, and this formula gives both in meaningful amounts. The citrate form also aligns with good tolerability and is commonly used in electrolyte products.

Magnesium is included at 100mg as magnesium glycinate. That dose is not a full standalone daily magnesium strategy, but it is a smart amount inside a hydration formula. Magnesium is required for neuromuscular function and for the Na+/K+-ATPase pump that helps regulate electrolyte movement across cell membranes. The glycinate form is a strong choice because organic and chelated magnesium forms generally show better bioavailability and tolerance than cheap oxide forms. Here, it supports muscle relaxation, cramp resistance, and overall electrolyte utilization.

Calcium is included at 152mg as tri-calcium citrate. Calcium is often ignored in hydration formulas, but it is central to muscle contraction signaling. During repeated contractions, calcium flux is part of the machinery that turns nerve input into force output. Citrate is a well-absorbed form, and while this is not a bone-health dose, it is a useful inclusion for muscular function within a sweat-support product.

Taurine rounds out the formula at 1,000mg. This is the ingredient that makes the product feel more performance-oriented than a basic electrolyte packet. Taurine functions as an osmolyte, helping regulate cell volume and hydration status, and research also links oral taurine supplementation to endurance performance benefits. Subjectively, taurine often makes hydration formulas feel smoother and more “cellular” rather than just salty. At 1 gram, this is an effective and meaningful dose for a daily hydration product.

The synergy is clean and logical. Sodium supports extracellular fluid retention; potassium supports intracellular balance; magnesium helps the pumps and signaling systems that move and use those electrolytes effectively; calcium supports contraction physiology; taurine helps maintain cell volume and complements potassium and magnesium from a hydration and performance standpoint. That is a real system, not a random ingredient list.

Transparency is a major strength. There is no proprietary blend here. Every active and dose is disclosed, which matters in a category full of formulas that hide behind vague “electrolyte matrices.” What to expect: on day one, better hydration, less flatness, and more stable output during training or travel. Over 2-4 weeks of consistent use, especially if you are someone who routinely under-consumes electrolytes, you can expect fewer hydration-related dips, better session-to-session consistency, and improved tolerance for sweat-heavy training environments.

How to Use ONE of ONE | Hydration | By Floyd Mayweather