BlackMarket Labs | X Man | 20 Servings

BlackMarket X Man Sports is a loaded, fully disclosed high-stim pre-workout built around a clear formulation strategy: clinical pump dosing, real performance dosing, and a stimulant/nootropic layer that is intentionally intense. This is not a label built around one flashy ingredient and a lot of filler. It gives you 8,000mg L-citrulline, 5,000mg beta-alanine, 5,000mg betaine anhydrous, and 5,000mg creatine monohydrate before you even get to the focus and stimulant complex. That tells you exactly what the formula is trying to do: improve blood flow, delay fatigue, support power output, and then layer on central drive and urgency.

The pump and performance backbone is legitimately strong. L-citrulline at 8g sits at the top end of the commonly studied range for nitric oxide support. Citrulline raises arginine more reliably than arginine itself, feeding the arginine-NO pathway and promoting vasodilation, blood flow, and the fuller muscular feel most users describe as a “real pump.” Research on citrulline and nitric oxide precursors supports benefits for blood flow and endurance-style exercise performance, and 8g is the kind of dose that makes sense for users who actually want to feel it. Agmatine sulfate at 1,000mg adds another pump-oriented layer by interacting with nitric oxide signaling and vascular tone, while the pine bark extract contributes polyphenols that fit well in a nitric oxide-supportive formula.

Beta-alanine at 5g is above the classic 3.2-6.4g daily research range associated with increased intramuscular carnosine. That matters because beta-alanine doesn’t work like a stimulant; it works by helping muscles buffer accumulating hydrogen ions during hard efforts, which is why it shines most in repeated high-intensity efforts and longer sets. You may feel paresthesia shortly after taking it, but the more important effect is what happens after consistent use: better tolerance for the burn and less rapid drop-off during demanding work. Creatine monohydrate at 5g is the gold-standard daily maintenance dose for phosphocreatine support and rapid ATP regeneration, directly relevant for strength, repeated explosive efforts, and training volume. Betaine anhydrous at 5g is also aggressively dosed; while many formulas stop around 2.5g, this gives a larger osmolyte and power-support layer that fits a high-output training formula.

The cognitive and stimulant side is equally assertive. Total caffeine is 447mg from 350mg caffeine anhydrous plus 133mg Infinergy di-caffeine malate, which contributes sustained caffeine release while still hitting hard up front. L-tyrosine at 1,000mg provides catecholamine precursor support, a sensible addition in a formula with this much stimulant pressure. Alpha GPC 50% at 800mg yields about 400mg actual Alpha GPC, right in the range commonly used to support acetylcholine-driven focus and mind-muscle connection. Eria Jarensis extract, dendrobium extract, synephrine from Citrus aurantium, velvet bean extract, and a small amount of L-theanine round out a heady energy profile that is more about intensity and drive than smooth minimalism.

Synergy is the real story here. Citrulline, agmatine, pine bark, and salt support blood flow and cell volumization. Creatine, betaine, and beta-alanine target different fatigue mechanisms: ATP regeneration, osmotic support, and acid buffering. Caffeine, tyrosine, Alpha GPC, and Eria Jarensis attack focus, alertness, and training aggression from multiple angles. This is a formula designed as a system, not a collection of isolated claims.

Transparency is a major strength. There are no proprietary blends hiding weak doses; every meaningful active is printed. That matters in a category where many formulas still bury stimulant and pump totals behind blend names. Day 1, expect strong energy, pronounced beta-alanine tingles, better workout urgency, and a more noticeable pump than average pre-workouts. Over 2-4 weeks of regular use, creatine saturation and beta-alanine-driven carnosine loading become more relevant, improving the formula’s repeat-performance value beyond the immediate stimulant rush.

How to Use Blackmarket X Man Sports | Loaded Preworkout