DOSEGUY

Rosuvastatin

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Also seen as: Crestor, Ezallor Sprinkle, ZD4522, rosu

The Dose Guy’s verdict
Sep 1, 2026
3 sources

If your lipid panel is in the dirt, this is the fix. Rosuvastatin is the most potent statin milligram for milligram, backed by some of the largest cardiovascular trials ever run, and the imaging data shows measurable plaque regression. The catch is that it is a real drug with a real monitoring burden. Liver enzymes, muscle symptoms, and a small push toward diabetes all need your attention. When the bloodwork says go, go, and keep running it.

Would I take it?Yes, non-negotiable when lipids are wrecked.

What it is

Rosuvastatin is an HMG-CoA reductase inhibitor, meaning it blocks the enzyme your liver needs to produce cholesterol. Block that enzyme and LDL drops. Milligram for milligram it outperforms every other statin in its class, which is why it is the one most people in this community reach for when oral steroids or a heavy blast push lipids out of range.

The things people run move lipid markers, and rosuvastatin is what brings them back. Telmisartan handles blood pressure. Rosuvastatin handles cholesterol. Between them they cover the two panels that go sideways first.

What the research shows

The trial base is enormous and the questions are settled. A few numbers that carry the story:

JUPITER: rosuvastatin 20 mg daily cut LDL cholesterol by 50% in participants with elevated hsCRP. Cardiovascular events fell from 1.36 to 0.77 per 100 person-years, HR 0.56, over a median 1.9 years.NEJM 2008 · primary prevention RCT · n=17802
ASTEROID: 40 mg daily for 24 months reduced LDL from 130.4 to 60.8 mg/dL and shrank coronary plaque on intravascular ultrasound, median 6.8% reduction in total atheroma volume.JAMA 2006 · coronary imaging · n=507
STELLAR: rosuvastatin 10 to 80 mg reduced LDL by a mean 8.2% more than atorvastatin, 12 to 18% more than simvastatin, and 26% more than pravastatin 10 to 40 mg at 6 weeks.Am J Cardiol 2003 · dose-ranging · n=2431

Realistic protocols

Rosuvastatin is dose-to-panel, not dose-to-feel. You start, you check lipids in four to six weeks, and you stay or adjust based on what the numbers do. Most people in this community land between 5 and 20 mg daily. If a mild testosterone cycle nudged your LDL out of range, 5 or 10 mg usually handles it. If an oral run has your lipids looking like a disaster, start at 10 or 20 mg and recheck.

Take it any time of day. Unlike simvastatin, rosuvastatin does not need evening dosing. Food does not matter. Consistency matters: a daily pill works when it is daily.

Alcohol and rosuvastatin both stress the liver. If you are also running orals, that is three things loading the same organ. You do not have to quit drinking, but heavy sessions will show on your ALT, and you should not be surprised when they do.

Run bloodwork before starting, then four to six weeks in, then every few months while you are on it. The panel you care about: LDL, HDL, triglycerides, ALT, AST, and fasting glucose. If muscle aches show up in a way that is not training, check CK, but not the day after a heavy session when it will be high from lifting. That is the statin telling you to back the dose down or switch. If the dose is already low or the LDL will not come down, ezetimibe is the add-on that picks up the slack without more statin.

Start5–10 mg/dayLower end for mild lipid shifts. One pill, any time of day.
RechecksameLipid panel at 4–6 weeks. If LDL is in range, hold.
Adjust10–20 mg/dayOnly if LDL has not reached target. Recheck after each change.
On cycle10–20 mg/dayRun through any blast that moves lipids. Drop to maintenance or off between.

Side effects

Statins are well-characterized after decades and millions of users. Most people tolerate rosuvastatin without trouble, but the signals are real:

commonMuscle aches or stiffness, the statin side everyone has heard of. HOPE-3 put it at 5.8% on rosuvastatin versus 4.7% on placebo. Usually mild and dose-related. Drop the dose first.
monitorLiver transaminases (ALT, AST) can rise. Baseline and periodic checks catch it early. Almost always reversible when you cut the dose.
monitorStatins as a class nudge diabetes risk. Rosuvastatin is no exception. Check fasting glucose, especially if you already run borderline.
anecdotalHeadache and GI discomfort. Usually settles.

Where to buy

PCT.zone–
$28 / 40mg vial$0.70/mg
✓ verified Sep 12
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