Stanozolol (Winstrol)
Stanozolol is a DHT derivative sold both as an oral and as an injectable. The registry holds 4 independent lab tests of Stanozolol (Winstrol) from 4 vendors. The average is 97.2 percent of label, 3 of 4 pass, and results range from 88.4 to 113.5 percent. The newest test is from May 2026.
Registry updated
UnderPassOver
106.8% market
97.2% running average
05090100%115150200
4lab tests
4vendors
97.2%average of label
75%pass rate
25.1points of spread
2026.05.04newest test
| Vendor | Label to measured | Of label | Tested | Report |
|---|---|---|---|---|
| Monsterlab | 50 → 56.76 mg/ml | 113.5%Pass | 2026.01.16 batch 532/01 | Verify Janoshik #100810 |
| Premium | 20 → 19.26 mg | 96.3%Pass | 2025.08.18 | Verify Janoshik #75300 |
| Golden Era Pharmacy | 25 → 22.6 mg | 90.4%Pass | 2026.05.04 | Verify Janoshik #152658 |
| Fulmen Pharma | 10 → 8.84 mg | 88.4%Under | 2023.06.27 | Verify Janoshik #32043 |
Values above 100 percent mean more active compound than the label states, not necessarily better. Click Verify to open the original report at the lab.
Stanozolol (Winstrol) lab tests, in short
What is a good lab value for Stanozolol (Winstrol)?
A good test sits close to 100 percent of what the label states. 90 percent or more counts as a pass, and above 115 percent is flagged as over label. For Stanozolol (Winstrol) the registry average is 97.2 percent, against 106.8 percent for the whole registry.
How do I check a vendor of Stanozolol (Winstrol)?
Look the vendor up in the directory on the forum and read the lab tests, the vouches from buyers and the scam register before you decide. This site sells nothing and gives no advice on use.
Compare every vendor of Stanozolol (Winstrol)
Full comparison with vouches and the scam register on the forum.
https://roidboard.biz/compounds/stanozolol/ · May 2026