In this episode of Fitness Stuff (For Normal People), Marianna and Tony dive into the wild world of peptides—what they are, what they’re supposed to do, and which ones are actually worth your time. They cover the big claims around fat loss, muscle growth, brain power, and faster recovery, breaking down the science in a way that actually makes sense. No gatekeeping, no BS—just straight talk on what works and what doesn’t. If you've been tempted by a TikTok ad or just want to understand what the hype is about, this one’s for you.

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Timestamps:

(7:46) Peptides for weight loss & metabolism

(20:26) Peptides for growth & performance

(35:30) Peptides for brain health & cognition

(44:58) Peptides for recovery & injury