Unapproved ibutamoren capsules (MK-677) found to contain undisclosed anabolic steroid

TGA warns that unapproved ibutamoren capsules (MK-677) contain an undisclosed anabolic steroid, posing serious health risks.

Source updated: Jun 4, 2026

Primary source: https://www.tga.gov.au/news/safety-alerts/unapproved-ibutamoren-capsules-mk-677-found-contain-undisclosed-anabolic-steroid

PV Impact Brief

Urgency: HighConfidence: high

What changed

TGA published a safety alert warning that unapproved ibutamoren capsules (MK-677) contain an undisclosed anabolic steroid.

Why it matters

The presence of an undisclosed anabolic steroid poses serious health risks, including potential adverse effects from unregulated ingredients.

Action needed

Consumers must stop taking the product immediately and return remaining capsules to a pharmacy for safe disposal.

Relevant for: Regulatory Intelligence LeadSignal Management Lead
Processes impacted: Signal ManagementLabeling
Owner: Regulatory Intelligence Lead
Review cadence: Review in the next regulatory intelligence cycle.

Regulatory action details

Action type: Safety Alert
Publication date: 2026-06-04
Safety issue: Unapproved ibutamoren capsules (MK-677) were found to contain an undisclosed anabolic steroid, posing serious health risks.

Affected products

Ibutamoren capsules (MK-677)

PV internal implications

Consumers should stop taking the product immediately and take any remaining capsules to their local pharmacy for safe disposal.

View regulator source

Evidence and confidence

Confidence: highSource updated: Jun 4, 2026

https://www.tga.gov.au/news/safety-alerts/unapproved-ibutamoren-capsules-mk-677-found-contain-undisclosed-anabolic-steroidUpdated June 4, 2026

Full briefing

Practical implication

Consumers must stop taking the product immediately and return remaining capsules to a pharmacy for safe disposal.

The TGA issued a safety alert on 4 June 2026 regarding unapproved ibutamoren capsules (MK-677) found to contain an undisclosed anabolic steroid. Consumers are advised to stop use immediately and dispose of remaining capsules at a pharmacy.

What changed: TGA published a safety alert warning that unapproved ibutamoren capsules (MK-677) contain an undisclosed anabolic steroid.

Why it matters: The presence of an undisclosed anabolic steroid poses serious health risks, including potential adverse effects from unregulated ingredients.

Practical implication: Consumers must stop taking the product immediately and return remaining capsules to a pharmacy for safe disposal.

View original source

Published from the Firecrawl agent regulatory extraction pipeline.

#TGA #Safety Signals #firecrawl-agent #regulatory-extraction #Other #Safety Alert

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