The ultimate biochemistry dad joke has arrived! Proline isn't just any amino acid - it's literally a "pro-line" amino acid that creates those beautiful collagen fibers in your skin, tendons, and basically everywhere that needs structural support.
What makes this so brilliant is that proline's unique structure (it's the only amino acid with a ring connected to its backbone) forces collagen to form those twisted, rope-like structures. So when your skin stays firm instead of sagging like a sad balloon, you can thank proline for being such a professional at making lines!
Next time you're applying that expensive collagen face cream, remember - it's just proline doing what it does best: being pro-line!