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Top Story
What are peptides and why is the FDA considering easing limits?
Catch up with NBC News Clone on today's hot topic: What Are Peptides And Why Is The Fda Considering Easing Limits 261857349531 - Breaking News | NBC News Clone. Our editorial team reformatted this story for clarity and speed.
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Health Secretary Robert F. Kennedy Jr. is among those singing the praises of unproven peptides online. But what are peptides, and why are some doctors worried about them? NBC News' Jesse Kirsch explains.April 22, 2026
