Proper Labs Cutting Stack - Ultimate

This stack combines four compounds run together for eight weeks: Testosterone Propionate as the hormonal base, Trenbolone Acetate for hardness and fat loss, Masteron (Drostanolone Propionate) for dryness and density, and Arimidex (Anastrozole) tablets to control estrogen. All three injectables are short esters, so they clear quickly and give tighter control over blood levels during a cut.

The standard plan across weeks 1-8 is Test Prop 100mg every other day, Tren Ace 50-100mg every other day, and Masteron 100mg every other day, injected as separate shots unless your gear is pre-blended. Arimidex is taken orally at 0.5mg every other day alongside the injectables to keep estrogen in check throughout the cycle. Because all three esters are short-acting, missing injections lets blood levels dip fast, so sticking to the every-other-day (or daily split-dose) schedule matters more than with longer esters.

Arimidex is in the stack because of the Testosterone Propionate, which does convert to estrogen and can cause water retention, bloat, or gyno if left unmanaged. Trenbolone does not aromatise at all, and Masteron is a DHT derivative that also does not aromatise, so neither compound contributes to estrogenic side effects on its own. Anastrozole dosing should still be adjusted against your own bloodwork rather than run blindly at a fixed dose for the full eight weeks.

Expect the usual androgenic load from three compounds running together: possible acne, hair thinning in predisposed users, blood pressure and lipid strain, and night sweats or aggression from the Tren especially at the higher end of the range. Blood pressure monitoring, a cholesterol-friendly diet, and cardio support are worth having in place before you start, and Anastrozole should be titrated rather than fixed if you notice joint dryness or low libido from over-suppressed estrogen. A full PCT (typically Nolvadex and/or Clomid) is required after this stack since all three injectables are suppressive.

A Test Prop and Masteron pairing gives a drier, harder look with a milder side effect profile and less strain on blood pressure and cardiovascular markers. Adding Trenbolone Acetate, as this Ultimate stack does, pushes fat loss, nutrient partitioning, and muscle hardness considerably further but brings a noticeably heavier sides profile and a stricter need for aromatase and blood pressure management. Choose the three-compound Ultimate version if you have run Tren before and know how you respond to it; otherwise the two-compound version is the safer starting point.

Every Proper Labs item in this stack is genuine stock with a unique verification check-code printed on the box that you can confirm before use. Orders are dispatched from the UK on Royal Mail Tracked 24, with most customers receiving their parcel within 1-2 working days, and everything goes out in plain, discreet packaging with no branding on the outside. Place your order before noon on a working day and it ships same-day.