What Does Collagen Do for Your Physique? A Full Information
If in case you have spent any time within the wellness world over the previous few years, you could have heard the phrase collagen in all places: in dietary supplements, in espresso creamers, in bone broth, in pores and skin lotions. And perhaps you could have puzzled: what does it really do? Is it actually as vital as everybody says?
As a naturopathic doctor with over 20 years of medical apply, I can inform you this with out hesitation: collagen is among the most vital proteins within the human physique. Not only for magnificence. Not only for pores and skin. For the whole lot. Let me clarify why.
Collagen 101: What It Really Is
Collagen is probably the most ample protein in your physique, making up roughly 30 p.c of your complete protein content material. It’s the main structural protein present in your pores and skin, bones, tendons, ligaments, cartilage, blood vessels, and intestine lining. Consider it because the glue, the scaffolding, the help system that actually holds your physique collectively.
There are at the very least 28 sorts of collagen, however the ones that matter most on your well being and the way you are feeling each day are Varieties I, II, and III. Kind I is present in pores and skin, tendons, and bones. Kind II is concentrated in cartilage. Kind III works alongside Kind I in pores and skin, blood vessels, and organs. When individuals speak about collagen dietary supplements and bone broth, they’re primarily speaking about Varieties I and III.
The Physique’s Collagen Decline: Why It Issues
Right here is the uncomfortable reality: your physique begins producing much less collagen round age 25. By the point most of my sufferers come to me of their 40s and 50s, their collagen manufacturing has dropped considerably. They usually really feel it. They see it. The modifications are actual.
What accelerates collagen loss past regular growing old? Sugar and refined carbohydrates are main culprits. They set off a course of known as glycation, the place sugar molecules connect to and injury collagen fibers, making them stiff and fragile. Persistent solar publicity degrades collagen within the pores and skin. Smoking impairs collagen synthesis. Persistent stress elevates cortisol, which breaks down collagen. Poor sleep reduces the expansion hormone indicators that drive collagen restore in a single day.
That is why I by no means take a look at growing old pores and skin or achy joints as inevitable. They’re largely dietary and way of life points, and dietary and way of life options work.
What Collagen Does for Your Pores and skin
Collagen gives the underlying construction that retains pores and skin agency, clean, and hydrated. When collagen ranges are sturdy, pores and skin has what I name bounce: press it and it springs again. As collagen declines, that bounce goes away and fantastic strains, sagging, and dryness set in. Supplementing with collagen gives the amino acids glycine, proline, and hydroxyproline that your pores and skin’s fibroblasts have to synthesize new collagen. Lots of my sufferers and prospects report seen enhancements in pores and skin texture, hydration, and firmness inside 4 to eight weeks of constant every day use.
What Collagen Does for Your Joints
Cartilage is roughly 60 p.c collagen by dry weight. It’s the cushioning tissue that retains your bones from grinding in opposition to one another. When cartilage degrades, which it does as collagen manufacturing declines, joint discomfort follows. Kind II collagen particularly helps cartilage construction. Analysis means that collagen supplementation might assist help joint consolation and mobility, which is why it’s one in every of my first suggestions for sufferers coping with stiff mornings or achy knees.
What Collagen Does for Your Intestine
That is the place I see a number of the most dramatic ends in my apply. The intestine lining is a single cell layer thick and is partially composed of collagen. When that lining turns into compromised, we see the cascade of signs that may present up as bloating, digestive misery, meals sensitivities, and systemic irritation. The amino acids in collagen, notably glycine and glutamine, might assist help intestine lining integrity and soothe the digestive tract.
What Collagen Does for Your Bones
Bone is not only calcium and minerals. It’s roughly 35 p.c collagen by weight. Collagen gives the versatile framework that mineral crystals connect to. With out ample collagen, bones turn into brittle quite than resilient. That is particularly vital for girls post-menopause, when each collagen manufacturing and bone density can decline concurrently.
What Collagen Does for Your Hair and Nails
Hair follicles are surrounded by a collagen-rich sheath. Nails develop from a collagen-supported nail matrix. When collagen manufacturing is ample, hair tends to be thicker and nails develop sturdy with out breaking. When it’s not, a lot of my sufferers discover thinning hair and brittle nails lengthy earlier than they discover pores and skin modifications.
Meals Sources vs. Dietary supplements: Getting Sufficient Collagen
The physique can’t soak up collagen complete. It should be damaged down into amino acids after which reassembled. That is why meals sources and dietary supplements that present the collagen-building amino acids glycine, proline, and hydroxyproline are what really issues. The richest meals sources are bone broth, slow-cooked meats, organ meats, and fish with pores and skin. I cowl the total comparability between food-based collagen and dietary supplements in my put up on bone broth vs. collagen, however the quick reply is that each work by way of the identical amino acid pathway and might complement one another fantastically.
I additionally cowl the total case for why the advantages of collagen prolong up to now past pores and skin in a devoted put up that I encourage you to learn if you wish to go deeper on the analysis.
The Backside Line: Collagen Is Non-Negotiable
After 20 years of apply, I’m satisfied that collagen is among the most vital dietary priorities for anybody over 30. It’s not a development. It’s foundational biology. If you wish to help your pores and skin, your joints, your intestine, your bones, and your hair , constant every day collagen is among the highest-leverage habits you may construct. My collagen merchandise are formulated particularly for absorption and efficacy, and so they match seamlessly into the clear consuming framework I train within the Bone Broth Eating regimen and all of my different packages.