Boldenone Undecylenate - British Dragon

Buy Boldabol 200 and Boldabol Forte 300 by British Dragon at XSteroids. Boldabol is boldenone undecylenate - the same hormone in both packs, at 200 mg/mL and a concentrated 300 mg/mL, so the only decision on this page is how much oil you want to inject each week for the same dose.

Boldenone is not approved for human use; sold here it is a research product and the notes below are educational.

What Boldenone Undecylenate Does

Boldenone is a derivative of testosterone with strong anabolic and only moderate androgenic activity, and it is not a 17-alpha-alkylated oral, so liver stress is not the concern it is with tablets. It aromatises at a low-to-moderate rate - the brand's own figure is around half of testosterone - and it carries practically no progestagenic activity, which is why water and gynecomastia are usually manageable without a heavy AI protocol.

The undecylenate ester is the long part. Biological half-life is about 14 days and the brand lists active life at 14 to 16 days, so two injections a week is enough to hold steady levels and the compound keeps releasing for weeks after the last shot.

Why Boldenone Cycles Are Long

The ester is not the only reason. Boldenone builds slowly and the visible change usually arrives around week 6 to 8, which is why the brand's cycles run 14 to 16 weeks rather than the 8 to 10 typical of shorter compounds. Buying one vial for a two-week experiment is wasted money; the compound is bought by the cycle, not by the shot.

That is also why the concentration matters. A 14-week run at 600 mg a week is 8400 mg of boldenone - more than three vials of Boldabol 200.

Boldabol 200 - Boldenone Undecylenate 200 mg/mL

What it does and what a vial gives you

Each 10 mL vial holds 2000 mg. At 400 mg a week that is five weeks of compound, at 600 mg a week about three and a half, at 800 mg two and a half. A 600 mg week is 3 mL of oil, so two injections of 1.5 mL, and a 0.5 mL draw is 100 mg.

The practical argument for this pack is a lower concentration per millilitre, which most users find more forgiving in terms of post-injection pain and which leaves finer room for dose adjustment.

Boldabol Forte 300 - Boldenone Undecylenate 300 mg/mL

What it does and what a vial gives you

Forte is the same ester at 300 mg/mL, so 3000 mg in the 10 mL vial. At 600 mg a week that is five weeks, at 900 mg a week about three and a third. The same 600 mg week needs only 2 mL of oil - two injections of 1 mL - instead of 3 mL, and 0.33 mL is 100 mg.

Less oil for the same dose is the whole reason Forte exists, and it matters when the weekly total is high or when several injectables are sharing the syringe. The trade-off to watch is injection discomfort: a more concentrated solution is more likely to produce PIP, and the brand says so. It is also not the first choice for a first boldenone cycle.

Choosing Between the Two Packs

Neither pack changes the compound, the half-life or the cycle length; only the volume of oil per milligram does. Pick Boldabol 200 if you want gentler injections and space to fine-tune the dose, especially on a first run or at moderate weekly totals. Pick Boldabol Forte 300 if your weekly dose is high, if you are stacking several oils and want fewer millilitres to push, or if you simply prefer fewer vials for a long cycle.

Dosing in Practice

The brand's range is 400 to 800 mg a week for Boldabol 200 and 600 to 900 mg a week for Forte, always split into two injections. At the bottom of that range a single vial of either product covers five to seven weeks, which is the natural checkpoint for blood work and a decision on whether to continue.

Estrogen Control on Boldenone

Despite the modest aromatisation, an AI is not always needed on a boldenone-only run - but it should be in the drawer, because stacked testosterone changes the equation. An aromatase inhibitor such as Anastrozole or Letrobol is the tool if water and nipple sensitivity appear; the aim is control, not a crashed estradiol level.

Stacking Boldabol

Boldabol is a lean-mass compound, so it usually rides under a testosterone base such as Testabol, with Methanabol as an oral kickstart during the slow first six weeks. For a harder finish, Trenabol or Mastabol takes over in the last weeks, and Decabol 250 is the classic pairing when size rather than condition is the goal.

PCT After Boldabol

Boldenone suppresses the axis, so recovery is planned around a 14-day half-life: the brand's timing puts PCT after the ester has cleared rather than immediately after the last shot. A SERM such as Clomiphene runs four to six weeks with blood work to confirm the restarted axis - and because the compound stays active for weeks, starting too early is simply money and effort lost.

Side Effects

Androgenic effects are the standard set: acne, oily skin, body and facial hair growth, faster scalp hair loss, and in women voice change that can be permanent. Estrogenic effects are milder than testosterone but still possible. Expect a rise in appetite, falling HDL and rising LDL, and suppression of natural testosterone production that persists well past the final injection.

Storage

Keep the vials at room temperature, away from direct light, and out of the reach of children. Discard any vial with visible particles or discolouration in the solution.

Why Buy Boldabol from XSteroids?

At XSteroids you buy the British Dragon Boldabol vials straight from the brand catalog, with secure checkout, US domestic shipping in 3 to 6 days and international delivery in 12 to 26 days. Browse the full range on the British Dragon brand page to complete a cycle from base to PCT.