Project AD | Proj AD NITR-OX | 24 Servings

Project AD | NITR-OX is a stimulant-free pump and hydration formula designed around a simple but effective sports nutrition strategy: increase nitric oxide production, expand intracellular and extracellular fluid, and support muscle function with targeted osmolytes and electrolytes. This is not trying to be a kitchen-sink pre-workout. It is built to improve the way training feels—better blood flow, denser pumps, fuller musculature, and more stable performance as the session progresses.

The centerpiece is 6,000mg of citrulline malate. That is right in the clinically relevant range for citrulline-based pump and performance support. Citrulline is converted to arginine in the kidneys more efficiently than oral arginine itself, which raises nitric oxide production through the arginine-NO pathway and promotes vasodilation. In practical terms, that means more blood reaching working muscle, better nutrient and oxygen delivery, and the kind of pump you feel set to set rather than just in the mirror after training. The malate component is commonly used in pre-workout formulations for exercise performance support, though the key pump driver here is the citrulline dose.

HydroMax® comes in at 5,000mg, which is a serious inclusion. HydroMax® is a stable 65% glycerol powder from Glanbia Nutritionals, so this yields a robust glycerol payload for hyperhydration and cell volumization. Glycerol acts as an osmolyte, pulling water into circulation and muscle tissue. That matters because a pump product works better when the body actually has fluid to move. The result is a rounder, fuller look and a more sustained pump, especially when combined with adequate water intake. HydroMax® also has a practical advantage over older glycerol monostearate materials: it is more concentrated, more stable, and more formulation-friendly.

Taurine at 1,000mg is another smart inclusion. Taurine is not here as filler. It supports cellular osmoregulation, calcium handling, and muscle function, and it has strong evidence behind endurance and cardiovascular support. In a formula like this, taurine complements glycerol and electrolytes by helping cells manage fluid balance while supporting contractile performance.

L-Norvaline at 150mg sits within the commonly used range for arginase inhibition support. Its role is to help preserve arginine availability by reducing arginase activity, which can theoretically support more sustained nitric oxide signaling when paired with citrulline. Human outcome data are not as robust here as they are for citrulline, so this is best viewed as a supporting ingredient rather than the reason to buy the formula.

The electrolyte profile—120mg sodium, 185mg chloride, and 276mg potassium—adds real functional value. These are not massive standalone hydration doses, but they are highly relevant in a pump formula built around glycerol and training performance. Sodium and chloride support extracellular fluid balance and nerve signaling, while potassium helps maintain membrane potential and muscular contraction. Together, they help the hydration side of the formula actually translate into performance.

AstraGin™ at 50mg is included at its standard branded dose. AstraGin™ is designed to upregulate nutrient transporter expression in the gut, improving absorption of amino acids and related compounds. In a formula centered on citrulline and taurine, that makes mechanistic sense and rounds out the blend well.

The main limitation is transparency. The provided formula data gives exact doses for the active components listed here, but the product metadata indicates a proprietary blend structure elsewhere in the product’s history and broader market listings have shown conflicting panels. Based on the verified dose set provided, this is a well-built stim-free pump formula with a clinical citrulline anchor and an above-average glycerol inclusion. Day 1, expect stronger pumps, fuller muscles, and better workout hydration if you consume enough water with it. Over 2-4 weeks, the benefits become more predictable as you learn your ideal water intake and stack it consistently with your training routine.