Steroid Detection Times: The Complete Chart (2026)

Every steroid has a detection window, and almost nobody tells you the truth about them — forums round down, sellers round down harder, and the tested athlete finds out the hard way. This is the honest chart: approximate urine detection windows after a normal-dose cycle, what drives them, and how testing actually works. Numbers are estimates for standard-cycle doses and standard screens; confirmatory mass spec testing pushes every window longer.

The Detection Times Chart

Read the word "typical" hard. These are normal-dose, normal-length cycles in healthy individuals against routine screens — every row stretches with higher doses, longer runs, and more sensitive confirmation tests. The 19-nor family (Deca, NPP, tren) sits at the top of the chart because their metabolites are structurally unusual and labs hunt them for months after the ester itself is gone.

Why Esters and Metabolites Decide Everything

Two clocks run after your last pin. The ester clock: the fatty-acid sidechain must first be cleaved off by esterase enzymes before the hormone is active and eventually cleared — a long ester like undecylenate keeps releasing active compound for weeks after injection stops. Then the metabolite clock: once cleared, the hormone has left behind metabolites — and detection tests hunt those fragments, some of which are unique enough to identify the exact compound weeks or months later.

This is why tren ace vs tren E barely matters for detection (both leave the same metabolites), why a 5-week orals-only run is the most detectable-friendly structure there is, and why deca is the single worst choice an tested athlete can make — 19-nor metabolites are the gift that keeps on giving.

How Testing Actually Works

Every test is two steps. First a screen — cheap immunoassay, fixed cutoff, designed to flag presumptive positives at speed. A flagged screen is not a failed test: it goes to confirmation, mass spectrometry that identifies the exact molecule at far lower thresholds. When someone claims "I passed," ask which step they mean — passing a screen against a cutoff says little about what a confirmation lab would find.

Two more realities the chart cannot show:

• Where the test came from: urine is standard; blood catches recent use; HGH has its own testing story entirely (isoform testing, short windows — GH is not on this chart because it is measured differently)
• Screening panels vary: an employer panel, a sport federation's threshold list, and a competition's out-of-competition window are three different games with three different rules — the federation's published threshold list is the only authority that matters

What Speeds Detection Up (And What Doesn't)

• Short esters, short runs: the only genuine lever. Propionate clears weeks before enanthate; a 6-week oral window is dwarfed by a 16-week deca run — cycle structure is your detection strategy
• Hydration, cardio, healthy kidneys: supports normal clearance — marginal, honest, unspectacular
• "Detox" products and masking agents: do not clear metabolites, only attempt to hide them — and masking agents are themselves detectable. Federations test for the mask; employers treat it as a refusal
• Nothing shortens the 19-nor window: nandrolone metabolites do not care about your sauna protocol. Time is the only exit

What Else Gets Tested: SARMs, Peptides, and Ancillaries

The steroid chart is only the visible half of the panel. Everything else you take sits somewhere on the wider detection map:

• SARMs: ostarine, rad-140, and friends are specifically scheduled by WADA and increasingly screened in employment panels — metabolites linger days to a couple of weeks depending on the compound, and "it's not a steroid" is not a legal defense anywhere that tests for them
• Peptides (BPC-157, TB-500, CJC/ipamorelin): short detection windows — most clear within days — but targeted peptide assays exist in tested sport, and the BPC-157 guide notes the scheduling reality that comes with them
• HGH: not on this chart for a reason — detection runs through isoform testing and IGF-1 mapping rather than urine metabolites, with far shorter windows (see the HGH guide)
• Ancillaries: AI blockers, SERMs, and diuretics all have their own entries on federation prohibited lists — gyno tabs and water pills have failed more tested athletes than the cycle itself

Dose and Duration: How the Windows Stretch

The chart assumes normal doses and normal-length cycles — both of which move the numbers more than people expect:

• Dose scaling: double the weekly dose and metabolite load roughly doubles. A deca run at 600 mg/week for 16 weeks sits at the deep end of its window; the same compound at 300 for 10 weeks sits at the shallow end. Nobody's biology reads the label — they read what you injected
• Duration dominates: a 4-week oral sprint and a 16-week injectable marathon are different sports. Longer runs mean deeper metabolite reservoirs, and the tail after the last pin stretches accordingly — this is the single biggest reason windows vary between two people "taking the same thing"
• Body fat and clearance: more adipose tissue, slower release of stored compounds (this matters most for the fat-soluble long-esters); weaker kidney or liver function, slower metabolite exit. Two identical cycles can test clean and dirty on the same day for reasons that have nothing to do with willpower
• Stacking compounds: the windows do not average — they max. Test plus deca means the deca calendar governs your entire clear-out, no matter that the test cleared weeks earlier

The practical rule: take the chart number, apply the worst-case multiplier for your actual dose and duration, and add margin. The calendar is not the place to optimistically round down.

Detection Times FAQ

• Which steroid is easiest to clear? By the chart: anavar and proviron at the short end; clenbuterol fastest of all. Short window, fast molecules, forgiving screens
• Which is the worst choice for a tested athlete? Nandrolone — up to 12–18 months of metabolite detection. Deca is career-ending for tested competitors and nothing else on the chart comes close
• Do oral steroids clear faster than injectables? Almost always — no ester to metabolize, shorter windows across the board. Anadrol and anavar sit at the bottom of the table for exactly this reason
• Does a test booster or cleanse help? No. Time clears metabolites; hydration helps marginally; everything else is marketing aimed at people who cannot read a calendar
• How accurate is this chart for mass spec confirmation? Confirmation is more sensitive than the screen assumptions behind these windows — treat every number here as a floor, not a ceiling

The Bottom Line

Detection is chemistry, not luck: esters set the release, metabolites set the clock, and the assay sets the finish line. Plan cycles around the chart — if testing is in your life, structure is everything: short esters, short runs, and the compounds at the bottom of the table. And if you are cycling, land it properly: the PCT guide and the glossary cover the rest of the vocabulary this chart assumes you know.