Health claim

“Men receiving 500 mg/week of testosterone may experience a 10–15% increase in muscle mass within three months, provided they follow a resistance‑training program.”

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This claim has been extracted from the video but has not yet been fully reviewed against published evidence. Treat with appropriate caution.

Evidence Summary

This claim has not yet been reviewed against the literature.

Extracted from

Is 500 mg of Testosterone Per Week Safe? 10+ Answers From Ask Dr. O'Connor – July 8th 2026

Testosteronology® Health Portal / Anabolic Doc

Dr. Thomas O'Connor answers live questions about dosing testosterone at 500 mg per week, focusing on monitoring protocols, potential side effects, and when such dosing might be considered in clinical practice.

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“Men receiving 500 mg/week of testosterone may experience a 10–15% increase in muscle mass within three months, provided they follow a resistance‑training program.”

Evidence Summary

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“Men receiving 500 mg/week of testosterone may experience a 10–15% increase in muscle mass within three months, provided they follow a resistance‑training program.”