Phoenix Labs specialises in hardcore bodybuilding supplements, from advanced prohormone formulas and post-cycle products to high-stimulant pre-workouts and thermogenic fat burners. Its range includes ON II Cycle Hardcore, OFF II Cycle PCT, LX-GH Prime, Crack Pre-Workout and Redline-X Ultra Hardcore.
Explore Phoenix Labs UK at Cross The Limits. We specialise in sourcing hard-to-find American and international sports nutrition, offering one of the UK’s most extensive selections of hardcore bodybuilding supplements, advanced muscle formulas and specialist pre-workouts.
Phoenix Labs skips lifestyle branding, skips ambassador squads, and doesn’t promise rainbow flavours; instead, it puts its entire budget into compositions. Everything here sits at the far end of the intensity scale.
The name is no accident. Phoenix Labs is hardcore. It fits people who push hard, then rise back stronger. Our lineup is deliberate: a few products for people who already know what they are doing.
Most brands chase every trend on the shelf. Phoenix Labs keeps its range tight instead and lets each product carry serious weight, which is what you want when a whole training cycle depends on it.
Lx-GH Prime supports growth and recovery, the quiet work that happens between sessions. Phoenix OFF II Cycle is a PCT product, designed for the weeks after a demanding cycle, when the body needs structure to regain its balance. Planning that phase before you start is what separates experienced users from expensive lessons.
Redline-X Ultra Hardcore covers the fat-burning side, and the name is a fair warning; if you have never run yohimbine-based formulas, read up before you start. This formula comes in 120 capsules and belongs in experienced hands; it sits in our stim fat burner category.
Shop on Cross the Limits if your training runs in structured cycles and you want Phoenix Labs supplements to cover more than one phase. Follow the label, keep your support supplements in order and never improvise with dosing at this intensity.