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If your neck is starting to age faster than your face, your moisturizer isn't the problem. It's a protein your body stops making around 30. By 50, you've lost roughly half. The crepey looking skin, the brittle nails, the morning stiffness — they share one thing in common, not three. That protein is collagen. It lives three layers below where any cream can reach. The fix isn't topical. It's giving your body the three specific amino acids it uses to rebuild collagen from scratch: glycine, proline, hydroxyproline. Bone broth has them, but you'd need a quart a day. A hydrolyzed powder gives you the same building blocks, pre-broken-down so your body absorbs them faster. One tasteless scoop. Stir into coffee. Many women in their 50s and 60s report visible changes in 4 to 8 weeks — firmer jawlines, stronger nails, easier mornings. See what they're using →