Raw Nutrition | Fuel Endurance | 60 Servings

Raw Nutrition Fuel is a straightforward endurance formula built around the two variables that matter most during prolonged training: carbohydrate delivery and fluid-electrolyte support. This is not a stim-heavy pre-workout pretending to be an endurance product. It is a purpose-built intra-workout fuel designed to help maintain output when sessions run long, sweat loss climbs, and glycogen availability starts to dictate pace, power, and perceived effort.

The core of the formula is its carbohydrate system. Per serving, Fuel provides roughly 24-25g of carbohydrate using a 1:0.8 glucose-to-fructose ratio from maltodextrin, cane sugar, and fructose. That ratio matters. Glucose-based carbohydrates primarily use the SGLT1 transporter, while fructose uses GLUT5. By using both pathways, dual-carbohydrate formulas can increase total carbohydrate absorption and oxidation beyond what a single-source glucose drink can typically achieve on its own. In practice, that means this formula is designed to be consumed repeatedly across longer sessions so you can push hourly carbohydrate intake higher with better odds of maintaining energy and reducing the late-session fade that comes when muscle glycogen and blood glucose are no longer being adequately supported.

The electrolyte profile is practical, not overloaded. Sodium sits at about 300mg per serving, with chloride around 230-240mg. Chloride is often ignored in marketing, but physiologically it matters: it is a major extracellular electrolyte, works with sodium and potassium to regulate fluid balance and osmotic pressure, and supports acid-base balance and normal nerve-muscle signaling. For athletes sweating through longer sessions, sodium plus chloride is the foundational hydration pair. Fuel also includes small amounts of magnesium, calcium, and potassium. From a clinical-dose perspective, these minerals are far below standalone repletion ranges: magnesium at 4-5mg is nowhere near the 310-420mg daily supplemental range, calcium at 2mg is far below its 1000-1200mg daily intake target, and potassium at 1mg is nutritionally negligible relative to daily needs. That is important to say clearly. These are not meaningfully dosed mineral supplements here. Their performance role in this formula is essentially incidental compared with the formula’s carbohydrate and sodium-chloride backbone.

Vitamin C, vitamin D, and iron are listed but their amounts are not disclosed in the provided panel data, which limits a full clinical assessment. Iron is highly relevant to endurance performance when deficiency is present because it supports hemoglobin and myoglobin formation and therefore oxygen transport, and vitamin C can enhance iron absorption. But without disclosed amounts, these cannot be treated as major selling points.

Where Fuel earns credit is formulation philosophy. It is fully disclosed in its main performance drivers, uses a research-aligned multi-transportable carbohydrate strategy, contains no proprietary blend, and remains stimulant-free. That makes it easy to integrate into training without conflicting with pre-workouts, caffeine intake, or race-day pacing strategy. Day 1, most users will notice more stable energy and easier sipping during longer work. Over 2-4 weeks, the benefit is not a loading effect like creatine or beta-alanine; it is better execution of your fueling plan, more consistent output across long sessions, and fewer workouts ruined by underfueling.

How to Use Raw Nutrition | Fuel | Premium Endurance Formula