Peptides and Hormones - What Works? with Dr. Wittmer | Starting Strength Radio #346 Mark Rippetoe | March 27, 2026 Dr. Wittmer joins Rip on this week's Starting Strength Radio to discuss peptide and testosterone therapy.05:25 Dr. Wittmer06:42 BPC-15715:34 Do they work?18:32 Talk to an expert33:38 Raising testosterone37:45 Testosterone works47:02 Growth of clinic