Anavar vs Masteron

The Dose Guy’s verdict
Oct 27, 2026
6 sources

Anavar, if you can verify it, unless you are already under about 12% body fat. It is the most faked steroid there is, so get a third-party test before you trust the capsule. Anavar holds and adds a little muscle while you diet and works at any stage of a cut; masteron does almost nothing for mass and only shows once you are lean, where it adds the hard, dry, grainy look. If you are prepping for a stage, masteron’s place is the last weeks, and plenty of preps run both on a testosterone base. Women and anyone worried about their hairline should pick anavar.

Which would I take?Anavar for the cut, masteron for the finish.

How they differ

The difference is the mirror versus the muscle. Anavar is anabolic enough to matter in a deficit: it holds lean tissue while calories are low and adds a little, whether you are at 18% or 10%. Masteron is a cosmetic androgen. It dries and hardens muscle that is already visible and does nothing you can see under a layer of fat. Under about 12% it is the grainy, vascular finish that makes a prep look done. Above it, you are running a look nobody can see.

The second difference is how each one costs you. As a 17-alpha-alkylated oral, anavar taxes your liver and keeps runs short. Masteron skips the liver, but it is the bigger androgenic load: if you are prone to male-pattern baldness, masteron is the one that takes hair. It also carries a mild anti-estrogen effect, which helps on a test base right up until you run too little test and your estrogen crashes. Anavar has no such effect either way.

For women it is anavar; masteron’s androgenic load virilizes faster. If primobolan is the third name in your search, it is the overpriced mild one, and neither of these needs it.

What the research shows

One side of this pair has body-composition trials; the other has 1970s cancer wards:

No head-to-head trial of anavar against masteron exists, and no controlled human trial has tested masteron for muscle gain, fat loss, physique, or performance.as of Aug 2026
Anavar 20 mg/day in HIV-positive men doing resistance exercise: lean body mass rose 6.9 kg versus 3.8 kg on placebo over eight weeks, p=0.005.RCT 1999 · HIV + resistance exercise · n=24
At anavar 20 mg daily, elevated liver enzymes occurred in 32.4% of patients versus 2.9% on placebo, p<0.001.RCT 2013 · pressure ulcers · n=212
In 91 patients with advanced breast cancer, masteron, nandrolone, and testololactone showed no difference in effectiveness.Onkologie 1978 · controlled trial · n=91

None of that says anything about a prep. What masteron does to a lean physique is community knowledge, not trial data, and I treat it that way.

How people run them

Both go on a testosterone base, and masteron needs it most: it adds no estrogen, so with too little test your estradiol crashes, and crashed estrogen means flat mood, dead libido, and achy joints. Keep test at least equal to the masteron dose. Both suppress you fully, so plan the PCT or the TRT cruise before you start. Lipids before, during, and after on both, liver too on anavar. Skip alcohol on anavar; on masteron your liver is fine, but your lipids aren’t.

Men run anavar at 20 to 50 mg a day, split, starting at 20, for six to eight weeks; women run 5 to 10. Masteron is 300 to 500 mg a week of propionate, pinned every other day, in the final weeks of a prep. Some run the enanthate at 100 to 200 mg a week alongside TRT for the look, which is purely anecdotal.

They are less a swap than a sequence. The usual prep runs anavar through the middle of the cut and adds masteron once you are lean enough to see it, overlapping in the final weeks. No washout either way; propionate gets going fast. Two non-aromatizing compounds in a hard deficit hammer HDL, so the bloodwork is the price of the combination.

Anavar, men20–50 mg/daySplit AM/PM, 6–8 weeks, any stage of the cut.
Anavar, women5–10 mg/dayThe female pick of the two. Start at the bottom.
Masteron300–500 mg/wkPropionate every other day, final weeks of a prep.
Body fat gateSub-12%Above it, masteron is invisible. Anavar isn't gated.
The stackvar, then + mastAnavar mid-cut, masteron once lean, overlap at the end.
Base+ testosteroneEqual to or above the masteron dose, or estrogen crashes.

Side effects, side by side

Both dry and estrogen-free; anavar’s cost is the liver, masteron’s is hair and estrogen balance:

monitorLiver enzymes rose in a third of patients on anavar 20 mg daily in one trial. Bloodwork, and stop past three times baseline. Masteron injected skips the liver.
monitorHDL drops on both with no estrogen to offset it, and stacking them stacks the hit. Lipid panels before, during, and after.
commonHair loss, acne, and oily skin in men prone to them: masteron is the bigger threat, anavar the smaller one. Neither is safe for a hairline that is already going.
monitorCrashed estrogen on masteron when testosterone runs too low: achy joints, flat mood, no libido. Run more test and ease off any aromatase inhibitor.
commonBoth suppress your own testosterone fully. PCT or TRT.
anecdotalPainful pumps on anavar; prostate irritation or more trips to the bathroom on masteron, reported by a minority.

Where to buy Anavar

$1.38 / 10mg vial$0.14/mg
✓ verified Oct 31

Prices move. Links are affiliate links; they never change a ranking, and scores are set before the deal exists.

Where to buy Masteron

$102 / 2000mg vial$0.051/mg
✓ verified Oct 31

Prices move. Links are affiliate links; they never change a ranking, and scores are set before the deal exists.