Do Steroids Damage Your Liver? 6 Facts on the Real Danger
DO STEROIDS DAMAGE YOUR LIVER? WHAT 6 CASE SERIES AND ONE COHORT SHOW
Steroids damage your liver in two different ways, and most users only ever see the harmless one. In 100 men followed through a cycle, ALT rose a mean 18.7 U/L and was back to baseline a year later (PMID 33038020).
This guide separates muscle enzymes from real injury, shows what cholestasis looks like in case series, and lists the blood tests that tell them apart. More panels are on the bloodwork and health hub.
Do steroids damage your liver? Three numbers
Three study figures show how often steroids damage your liver, and how often a scary ALT is just muscle. Do steroids damage your liver? Less often than ALT suggests, but in a specific way.
Mean rise during the cycle. Back to baseline after one year (PMID 33038020).
Named liver disease first despite a normal GGT (PMID 11476029).
71% were hospitalised, none died or needed a transplant (PMID 30934130).
Study figures come from PubMed papers. Where a protective habit is user practice rather than a study result, we say so.
What this guide covers
Why a high ALT after training is usually muscle, not proof that steroids damage your liver.
How steroids damage your liver for real: cholestasis, its time course, and who gets it.
Which blood tests catch it early and what the recovery looks like in published cases.
Not coveredDoses or cycle design. We do not say what to take or how much.
Treatment protocols. Jaundice is a hospital problem, not a forum problem.
Fact 1: high ALT and AST after lifting is usually muscle, not liver
ALT and AST live in muscle as well as liver. Hard training releases them into the blood, which is why the question "do steroids damage your liver" cannot be answered from ALT.
In 15 healthy men, one hour of weightlifting raised AST, ALT, LD, CK and myoglobin. The rise lasted at least 7 days. GGT, bilirubin and ALP stayed normal (PMID 17764474).
In bodybuilders, CK, AST and ALT were raised whether they used steroids or not. GGT stayed normal in both groups. Only hepatitis patients had all three liver enzymes up together (PMID 10336050).
When 84 physicians saw such a profile, 63% named liver disease first. 56% never mentioned muscle, despite a markedly raised CK (PMID 11476029).
Fact 2: in a real cycle, steroids damage your liver less than ALT suggests
The HAARLEM study followed 100 men through one cycle. Blood tests came before, at the end, 3 months after, and one year after the start (PMID 33038020).
Mean ALT rose 18.7 U/L during the cycle. Creatinine rose 4.7 µmol/L. After one year the prevalence of observed effects had returned to baseline (PMID 33038020).
Steroid dose and cycle length were not associated with the type or severity of side effects in that cohort (PMID 33038020).
The authors' review sums up the liver and kidney effect as distinct but limited (PMID 35938779).
Fact 3: when steroids damage your liver for real, it looks like jaundice
When steroids damage your liver for real, the injury is cholestasis. Bile flow stalls, bilirubin climbs, the skin and eyes turn yellow, and the skin itches.
In the US Drug Induced Liver Injury Network, 44 young men developed liver injury from bodybuilding products. 100% had jaundice and 84% had itching. 71% were hospitalised. None died or needed a transplant (PMID 30934130).
Chemical analysis found anabolic steroids that were not on the label in some of those products (PMID 30934130).
In 52 reviewed cases, peak bilirubin was 705 µmol/L while ALT peaked at only 125 U/L and GGT at 52 U/L. Biopsies showed bland cholestasis (PMID 33214235).
The Spanish registry found the same pattern. Steroid cases had far higher bilirubin than other drug classes, and no fatalities (PMID 25394890).
Fact 4: oral 17-alpha-alkylated steroids damage your liver most often
The 17-alpha-alkylation that lets a steroid survive oral dosing also slows its clearance in the liver. That is why oral steroids damage your liver more than injectables (PMID 29521706).
In the 52 case review, the most common drug was methyldrostanolone, an oral (PMID 33214235).
In 18 stanozolol users from the Latin American registry, all had raised bilirubin, transaminases rose only mildly, and GGT stayed near normal (PMID 40040852).
A 2026 case followed a man on oral oxymetholone plus injectable testosterone. Bilirubin peaked at 24.6 mg/dL on day 29 and fell 91.5% by day 85 after stopping (PMID 42729935).
SARMs, sold as the liver safe alternative, produce the same bland cholestasis in case reports (PMID 36479151).
| Route | What studies show | Source |
|---|---|---|
| Oral, 17-alpha-alkylated | Most case series; cholestasis with high bilirubin | Abeles 2020, Nunes 2025 |
| Injectable testosterone esters | Mean ALT +18.7 U/L in one cycle; reversible | Smit 2021 |
| Mislabeled supplements | Hidden steroids found in DILIN products | Stolz 2019 |
| SARMs | Same bland cholestasis as steroids | Mohideen 2023 |
Fact 5: steroids damage your liver slowly, so early ALT checks can miss it
Steroid cholestasis does not appear in week one. Symptoms came a median 73 days after starting in the 44 DILIN men (PMID 30934130).
In the 52 case review, patients presented 56 days after starting. Bilirubin kept rising and peaked 28 days after stopping (PMID 33214235).
Mean latency was 55 days in the stanozolol series (PMID 40040852). Jaundice then lasted a median 91 days in the DILIN bodybuilding cases (PMID 25043597).
The share of registry cases is rising. Steroid injury went from under 1% of the Spanish registry in 2001 to 2009 to 8% in 2010 to 2013 (PMID 25394890). Supplement injury rose from 7% to 20% of the US network over 2004 to 2013 (PMID 25043597).
Fact 6: the rare ways steroids damage your liver are vascular and tumor related
Reviews list four liver problems with steroids: cholestasis, peliosis hepatis, benign and malignant tumors, and fatty liver (PMID 36051334, 29521706).
Peliosis hepatis is blood filled cavities in the liver. Hepatic adenoma is a benign tumor that can bleed.
The HAARLEM clinic reported a nearly fatal spontaneous bleed from a hepatic adenoma in a man using exceptionally high doses plus growth hormone (PMID 31582578).
Kidney injury rides along with severe cholestasis. 43% of the 52 reviewed cases developed kidney injury, and bilirubin above 21.5 times normal predicted it in the Spanish data (PMID 33214235, 25394890).
If steroids damage your liver, does it recover after stopping?
In most published cases, yes. Liver function normalizes with discontinuation, though some long term consequences are irreversible (PMID 36051334).
No patient died or needed a transplant in the 44 DILIN men or the 52 reviewed cases. The same held for the 25 Spanish and Latin American cases (PMID 30934130, 33214235, 25394890).
In the Spanish registry, none of the 20 steroid cases progressed to acute liver failure, and none had injury on repeat exposure (PMID 29307848).
Recovery is slow. Jaundice lasted a median 91 days (PMID 25043597). Bilirubin peaked a month after stopping (PMID 33214235).
Liver support supplements have no trial behind them for steroid cholestasis. Doctors in the case series used ursodeoxycholic acid and antipruritics as supportive care. One report says recovery cannot be credited to them (PMID 33214235, 42729935).
Liver panel for steroid users: how to tell if steroids damage your liver
| Marker | Muscle pattern | Liver injury pattern | Source |
|---|---|---|---|
| ALT, AST | Raised for 7 days after training | Mildly raised, ALT peak 125 U/L | Pettersson 2008, Abeles 2020 |
| CK | High | Not the signal | Dickerman 1999 |
| GGT | Normal | Normal or near normal | Dickerman 1999, Nunes 2025 |
| Bilirubin | Normal | Very high, peak 705 µmol/L | Abeles 2020 |
| ALP | Normal | Raised, peak 262 U/L | Abeles 2020 |
| Creatinine | Muscle mass raises it | Rises in 43% with cholestasis | Abeles 2020 |
GGT is the odd one out. It stays normal in trained muscle and also near normal in steroid cholestasis. On its own it cannot rule injury in or out (PMID 10336050, 40040852).
Bilirubin is the marker that shows whether steroids damage your liver or muscle is talking. It was normal in the weightlifting study and many times normal in every injury series (PMID 17764474, 33214235).
When steroids damage your liver: signs that need a doctor now
Yellow eyes or skin
Jaundice was present in 100% of the 44 DILIN cases (PMID 30934130).
Itching all over
Pruritus affected 84% of those men (PMID 30934130).
Dark urine or pale stools
Signs of stalled bile flow, the pattern in steroid cholestasis (PMID 36051334).
Bilirubin above normal on any test
Bilirubin, not ALT, is the marker that climbs in these cases (PMID 33214235).
Sudden severe belly pain
A bleeding adenoma was nearly fatal in one reported user (PMID 31582578).
Verdict: do steroids damage your liver?
Do steroids damage your liver? Six facts from the sources above.
1. ALT after lifting is mostly muscle. GGT normal, CK high (PMID 10336050).
2. One cycle: ALT +18.7 U/L, reversible. Back to baseline at one year (PMID 33038020).
3. Real injury is cholestasis. Jaundice in 100%, bilirubin very high (PMID 30934130, 33214235).
4. Orals are the case reports. 17-alpha-alkylation is the reason (PMID 29521706).
5. It takes about two months. Latency 55 to 73 days (PMID 30934130, 40040852).
6. Nobody died in the series, but recovery took months. Jaundice median 91 days (PMID 25043597).
Steroids and your liver: frequently asked questions
Do steroids damage your liver?
Steroids damage your liver in two ways. Injectable cycles raised ALT a mean 18.7 U/L, reversibly (PMID 33038020). Oral 17-alpha-alkylated steroids cause cholestasis in case series (PMID 33214235).
Are steroids bad for your liver if ALT is high?
Not necessarily. Weightlifting alone raises ALT and AST for 7 days with normal GGT (PMID 17764474). Check CK, GGT and bilirubin.
Which steroids are worst for the liver?
Oral 17-alpha-alkylated ones. Methyldrostanolone was most common in 52 cases; stanozolol caused 18 cases in one registry (PMID 33214235, 40040852).
How long does steroid liver injury take to appear?
A median 73 days after starting in 44 men; 55 to 56 days in two other series (PMID 30934130, 33214235, 40040852).
Does the liver recover after a steroid cycle?
Usually. When steroids damage your liver, function normalizes after stopping in most cases, and no one died in the published series (PMID 36051334, 30934130).
Can steroid liver damage be fatal?
No deaths or transplants occurred in the 44 US, 52 reviewed or 25 Spanish and Latin American cases (PMID 30934130, 33214235, 25394890). Rare adenoma bleeds are reported (PMID 31582578).
Do liver support supplements work on a cycle?
No trial has tested them for steroid cholestasis. Some bodybuilding supplements in the DILIN series contained unlabeled steroids (PMID 30934130).
What is the best blood test for liver damage on steroids?
Bilirubin with ALP, plus ALT, AST, GGT and CK to separate muscle from liver (PMID 10336050, 33214235).
Sources and further reading
Every study figure on this page comes from one of the 16 papers below, checked against PubMed on 4 November 2026. Practice notes are marked as practice. Reference links are dofollow to support open science.
Keep reading
Four pages that finish the job: the liver markers explained, the kidney side, the pre cycle panel, and when to test.
Final Educational Note
This article is educational and is not medical advice. MuscleScience does not prescribe, sell or supply steroids and does not give cycle protocols. Non medical steroid use is illegal in many countries.
Yellow eyes, itching, dark urine or a raised bilirubin need a doctor the same day. More guides sit on the bloodwork and health hub. Read more on the about page and in the full disclaimer.
