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Secure Your Supply of Ageless Multi-Collagen® Up To 51% OFF Today! Yes, Collagen May Be the Closest Thing We Have to a Real "Fountain of Youth." If You Want the Age-Defying Benefits, Though, We Recommend You Consume the 5 Right Types of Collagen... If You Want the Age-Defying Benefits, Though, We Recommend You Consume the 5 Right Types of Collagen... Today's Special Offer : UP TO 51% Off BY NOW YOU'VE CERTAINLY HEARD OF COLLAGEN, RIGHT? The older you are, in fact, the more likely it's caught your attention, and for good reason... Many health experts now agree that consuming collagen is as crucial as it gets to renew and revitalize how you look and feel. After all, collagen is the most abundant protein in your body and is essentially the "glue" that holds you together. COLLAGEN * Supports healthy, youthful looking skin and skin elasticity1-3 * Supports joint health and comfort4,5 * Supports fingernail health and growth4 * Supports healthy body composition, muscle mass and strength when combined with resistance training6,7 * Supports bone health8 * Supports gut health9 HERE'S THE BIG PROBLEM THOUGH... Your body's production of collagen naturally slows as you age. In fact, after age 20, people produce about 12% LESS collagen in their skin each decade.10,11 For some, it's an even greater decline. This means that by the time you're "middle aged" you could be producing less than HALF of the collagen you did in your youth. Even worse, various "lifestyle factors" you may have been exposed to – like poor diet, smoking, pollution, stress, and excess sun exposure – can deplete your collagen levels even faster. In short, this year-by-year escalating loss of collagen is a key reason people "look old" as they get older and explains why, over time: * Skin sags and wrinkles * Hair gets thinner * Nails lose their strength * Joints become stiff * Recovery from activity and exercise slows * Digestion-related complaints occasionally seem to "come out of nowhere" * And in general, our bodies seem to turn on us The Good News, With One Important Caveat Your body's reduction in collagen production from your 20s onward may seem quite frustrating. There's actually good news though: Research shows you can increase your body's collagen levels again by consuming more collagen in your diet! That's true regardless of age, and that means – in terms of skin, hair, nails, joints, and more – you really can renew and revitalize the way you look and feel and once again enjoy the benefits of healthy collagen levels. HOWEVER – and this is crucial – we’ve formulated Ageless Multi-Collagen to include not one, but FIVE unique types of collagen to support the truly comprehensive, full-body benefits you desire. 5 CRITICALLY IMPORTANT TYPES OF COLLAGEN & WHAT THEY DO IN YOUR BODY12,13 The most abundant type in the body, essential for healthy skin, tendons, organs, bones, and digestion. ↑ Almost exclusively for cartilage, such as between bones to form joints.+ Usually found with Type I, it helps give skin elasticity and firmness and also forms blood vessels and heart tissue.* Also crucial for optimal skin health and formation as well as healthy hair. † Particularly important for bone health.† GETTING THE RIGHT COLLAGEN FROM FOOD ALONE IS (REALLY) HARD So, what are "the right types" of collagen you should consume, and where do they come from? Out of the 28 different types, five types of collagen in particular are important for healthy, youthful-looking skin and hair, flexible joints, and all the other benefits mentioned above – types I, II, III, V, and X. Now, just like in humans, collagen is located in the skin, bones, cartilage, and other connective tissue of animals, such as fish, chickens, and cattle. And to get the five types you need – through food – would require you eating a lot of these various "parts" from a range of different sources. That's because no single source provides you all the different collagen types. Our ancestors were pretty good at this because they ate "nose to tail" and let nothing go to waste. For example, they routinely ate a lot of skin and organ meat, and they extracted collagen and other nutrients from a range of different animals' bones and cartilage by cooking them for long periods. Most people today, however, eat very little skin, bones, and cartilage – let alone from a range of different animals. We mostly throw those parts away. And while it's technically possible, it would basically be a full-time job to properly select, prepare, and cook all the different parts from a range of sources to get the right types of collagen. Even then, as you're about to see, you still wouldn't be consuming enough of the IDEAL forms of collagen. THE 3 REASONS BONE BROTH DOESN'T CUT IT Bone broth is certainly healthy. However, if you're specifically seeking the age-defying benefits of collagen, it's far from ideal for three key reasons: 1.) Bone broth does not break the collagen proteins down. This means it's very difficult for your body to digest it. If you can't digest it, it can't deliver the full range of benefits possible. 2.) Recent research shows that bone broth might not even provide enough of the key amino acids found in collagen supplements to yield any of major benefits associated with collagen in the first place!14 3.) You're also very limited in how you can use bone broth. For starters, bone broth has a very distinct taste. Imagine adding chicken or beef broth to your protein shakes or coffee... YUCK. Plus, most bone broth supplements don't dissolve well in liquids, leaving a clumpy mess. BEWARE THE 4 HUGE DRAWBACKS OF OTHER COLLAGEN SUPPLEMENTS If you are already taking some type of collagen supplement, kudos to you for being several steps ahead. However, chances are VERY HIGH you're not enjoying nearly as many benefits (if any at all) versus what you could be enjoying, for four key reasons: Drawback #1 Like bone broth, most collagen supplements just provide you collagen from a single source, while BioTRUST Ageless Multi-Collagen was formulated to provide FIVE unique types of collagen to support the truly comprehensive, full-body benefits you desire. Drawback #2 Even many other collagen supplements out there that do provide a range of different collagen types suffer another major drawback: They are not complete proteins. You see, by itself, collagen is an incomplete protein because it doesn't provide all the essential amino acids (EAAs) you need, specifically tryptophan. Drawback #3 Most collagen supplements do not provide you hydrolyzed bioactive collagen peptides. This is mission-critical, though, because hydrolyzed bioactive collagen peptides enable your body to digest considerably more of the collagen and use it faster, meaning greater benefits to you. Drawback #4 Finally, most collagen powder supplements have a "peculiar" to downright bad smell and taste, making it hard to blend with anything else and unenjoyable to consume. Plus, they don't mix well in both hot and cool liquids, meaning you have to try to swallow a clumpy mess. SEE THE DIFFERENCE! UNLIKE BONE BROTH AND OTHER COLLAGEN SUPPLEMENTS, UNFLAVORED AGELESS MULTI-COLLAGEN PROTEIN HAS ZERO TASTE, ZERO ODOR, AND MIXES IN HOT OR COOL LIQUIDS - WITH NO CLUMPING. THIS MEANS YOU CAN ADD IT TO YOUR FAVORITE BEVERAGES, AND EVEN SOUPS AND OTHER RECIPES, TO ENJOY ALL THE BENEFITS OF THE 5 CRUCIAL TYPES OF COLLAGEN IT PROVIDES YOU... WITHOUT TASTING A THING! OR YOU CAN CHOOSE TO ENJOY ONE OF OUR NEW DELICIOUS FLAVORS. THE REASON IT MIXES SO WELL? UNLIKE OTHERS, AGELESS MULTI-COLLAGEN PROTEIN CONTAINS NATURALLY "HYDROLYZED❞ COLLAGEN PEPTIDES. THIS MAKES IT FAR MORE "MIX-ABLE" AND, EVEN MORE IMPORTANTLY, ENABLES YOUR BODY TO DIGEST CONSIDERABLY MORE OF THE COLLAGEN AND UTILIZE IT FASTER, MEANING FAR GREATER BENEFITS TO YOU!13,15 THE GREAT NEWS: YOU FINALLY CAN GET THE 5 TYPES OF COLLAGEN YOU NEED IN ONE COMPLETE PROTEIN So you know that many health experts consider collagen the closest thing on earth to a real "fountain of youth." You now also know, though, that the "devil's in the details" because it can be extremely difficult to get enough of the right types and proportions of collagen in your body to actually gain all the amazing benefits. What's more, most collagen powders don't dissolve well in cool or room temperature liquids, leaving a coagulated, clumpy mess that's unpleasant to drink. That is, until now. Because the scientific team at BioTRUST, America's premium online nutrition brand, worked hard for over a year-and-a-half to provide you the IDEAL collagen supplement, and it's available today with a special introductory offer you'll see only on this page. It's called Ageless Multi-Collagen, and not only does it dissolve easily in hot or cool beverages with no clumping, it also provides you all five key collagen types (I, II, III, V, and X) from FOUR different food sources: Hydrolyzed collagen peptides from grass-fed, pasture-raised cattle (types I & III) Hydrolyzed collagen peptides from sustainable fish (type I) A unique and patented eggshell membrane (types V and X) Native, undenatured collagen naturally-sourced from chicken (type II) This means with Ageless Multi-Collagen you are really getting FIVE collagen products in ONE. Furthermore, these are provided in what we believe to be the ideal amounts to provide optimal support for an array of FULL-body benefits. And as you see above, the collagen is naturally "hydrolyzed." This makes a difference because it means the collagen is broken down into peptides that – unlike collagen from bone broth and other supplements – your body can far more rapidly and easily digest. Want to know one more BIG difference that sets Ageless Multi-Collagen far apart from other collagen supplements? It contains all the essential amino acids (EAAs) you need – including tryptophan. This means that, unlike so many other collagen supplements, Ageless Multi-Collagen is a complete protein. So with 10 grams of protein per serving, you can feel good that you're contributing to your healthy high-protein diet and helping your body in other ways! Plus, Ageless Multi-Collagen follows BioTRUST's strict NO JUNK policy: It's free of artificial colors, preservatives, and sweeteners. It's also a non-GMO, hormone- and antibiotic-free formula that is gluten-free. EASY TO MAKE. NO CLUMPS. MIXES HOT OR COOL! You'll certainly love how Ageless Multi-Collagen helps your skin, hair, nails, joints, and all the rest. Here's something you'll also appreciate, though... It's a breeze to make, and unlike many collagen, bone broth, and gelatin supplements that only mix with hot liquids, Ageless Multi-Collagen dissolves easily in both hot and cool liquids. Plus – unlike all those collagen, bone broth, and gelatin supplements that frankly smell and taste bad – Unflavored Ageless Multi-Collagen is truly odorless and tasteless (in a good way ;-) ). That means you simply add one scoop to your beverage of choice – like a protein shake, smoothie, coffee, or tea – then mix and consume. You can even add it to soups and your favorite baked goods recipes. It’s also now available in delicious new flavors and comes in full 20-serving bags or the NEW convenient single-use take-anywhere stick packs (16 packs per box). BEST OF ALL, IT'S FROM BIOTRUST BioTRUST is America's premium online nutrition brand, known for having shipped over 15 million premium, honest, and science-backed nutrition products to their loyal customers around the world. BioTRUST was started in 2011 with a mission to create a nutrition company that was authentic, honest, and always put quality and service first. Toward that end, BioTRUST... * Has independent labs test products to ensure potency and purity. * Ensures the quality of all products is verified by a certificate of analysis. * Works only with top-tier manufacturers that strictly follow Good Manufacturing Processes (GMP). * Takes enormous pride in providing customers with world-class customer service and a 5-star customer experience. * Cares about community, too. To date, BioTRUST has helped provide over 5.6 million meals to hungry kids through our partnership with nonprofits including Feed.org®,and we've helped grant over 220 wishes for kids with life-threatening medical conditions through our partnership with Make-A-Wish®. "MY HAIR HAS BEEN SO MUCH HEALTHIER. THE ELASTICITY IN MY SKIN HAS BEEN WONDERFUL." REAL PEOPLE. REAL RESULTS REAL RESULTS AFTER 2 WEEKS "I've used the Multi-Collagen product for about 6 or 7 times thus far... in my bulletproof morning coffee and in my BioTRUST Low Carb protein shakes. The 5 different blends of collagen are working in my favor for my overall health and well being. Thank you BioTRUST Nutrition." Bob - Verified Purchaser AMAZING COLLAGEN! "I quickly noticed that my skin, hair and nails have improved. My skin feels and looks healthier. My hair, which has been thinning over the years, feels thicker and softer. My nails, which have always been super weak, have become stronger. It is tasteless as stated on the packaging so you can mix it into your favorite smoothie (my favorite is BioTRUST Low Carb protein) or other liquids. This really is a good product from a great company, so I highly recommend it!" Maria - Verified Purchaser THE BEST COLLAGEN! "I have been using this product for a week now and I have found that it is EXACTLY what it is supposed to be tasteless, odorless, colorless - and I can honestly say that it is one of the best collagen proteins I have ever tried!!! I added it to my shakes and a different variety of foods and you would never know it was in there!!! And I have also noticed a change for the better in my hair, skin and nails - I know it seems fast but its true!!! The perfect addition to a high protein, low carb diet!" Robin - Verified Purchaser ANOTHER WINNER FROM BIOTRUST "This is a quality product. It is basically odorless and tasteless, so you won't hear raves about how delicious it is. However, it mixes well, adds a creamy texture to anything to which it is added, and it does not detract in any way from whatever is being used as a base or foundation. Aching joints and strained tendons and ligaments can feel better quite soon after starting with the product. AND THEY DO!! I can feel the effects of Ageless Multi-Collagen already. Highly recommend." Howard - Verified Purchaser IMMEDIATELY NOTICED A DIFFERENCE "It is odorless and tasteless. I almost immediately started noticing a difference in my hair, nails, and skin – huge benefits to me. My skin seems smoother and more supple. My hair, which has been thinning out, seems like it's thickening, the texture seems smoother, and it seems shinier. My nails, which have always broken very easily, have gotten thicker and stronger." Mary - Verified Purchaser SURPRISING RESULTS! "I have been very surprised by the results. My knees feel great. It's amazing! Also, it has no taste, so I can mix it with anything. I will definitely continue to use this product." Bill - Verified Purchaser "I LOVE THAT IT CONTAINS MULTIPLE TYPES OF COLLAGEN. IT DISSOLVES SUPER QUICK AND EASY. I PUT IT IN MY MORNING COFFEE - YOU WOULDN'T EVEN KNOW IT'S IN THERE." TIM SKWIAT MED., CSCS, PN2 Tim is a Precision Nutrition Level 2 Certified Nutrition Coach and a NSCA Certified Strength and Conditioning Specialist. He completed his undergraduate degree in Movement & Sports Science at Purdue University, and he earned his Master’s degree in Sports Science & Nutrition from the University of Texas at Austin, where he also worked as a Strength and Conditioning Coach under the tutelage of world-renowned basketball strength coach Todd Wright for 10 years. With 20+ years of health and wellness experience, Tim is a published author of over a dozen evidence-based eBooks delving into the nitty gritty of nutrition for overall health, body composition, cognitive function, joint health, hormonal health, sexual performance, healthy aging, and more. PLUS 3 BONUSES WORTH OVER $50! 1. FREE SHIPPING Enjoy free U.S. ground shipping straight to your door (or special discounted International shipping). You can track the status of your order any time (you will receive tracking information once your order ships). 2. FREE VIP LIVE HEALTH AND FITNESS COACHING FOR LIFE You'll get live, personalized coaching from BioTRUST's team of expert nutrition and health coaches, as well as instant access to our inspiring, supportive community of people with goals like yours – free for life! 3. FREE NEW EREPORT THE 14 FOODS FOR AMAZING SKIN In this 30-page report you'll get instantly, you'll discover the most effective dietary steps to take to help restore that healthy, youthful look to your skin, including the 14 types of food that help the most. With BioTRUST, you're always protected by our 60-Day Total Satisfaction Guarantee. If for any reason at all you are unsatisfied with your purchase, just return the bags to us. You can get a fast and friendly refund even on empty bags, up to 60 days after your order today. YOU SAVE BIG ON AGELESS MULTI-COLLAGEN TODAY, BIOTRUST HELPS FEED A HUNGRY CHILD BioTRUST cares about our customers and community. For every Ageless Multi-Collagen order today, we help support programs that feed hungry children through our partnership with FeedTheChildren.org®. To date, BioTRUST has helped provide over 5.6 million meals to hungry kids. What’s more, with the support of our customers, we’ve funded over 220 wishes for kids with life-threatening medical conditions through our partnership with Make-A-Wish®. Through our partnership with Pencils of Promise®, BioTRUST has helped build three schools for underprivileged children, and along with Water.org®, we’ve provided clean drinking water for hundreds of families in third-world countries. It's support from customers like you that allows us to give back. Thank you! ORDER YOUR AGELESS MULTI-COLLAGEN NOW ↓ ↓ ↓ With the brand new Ageless Multi-Collagen, you're getting... The age-defying power of collagen in the scientifically ideal forms. The 5 key types of collagen you need from 4 different sources – ESSENTIAL to properly increase your body's collagen levels! Hydrolyzed collagen peptides, meaning better and faster digestibility for you. A COMPLETE PROTEIN, unlike other collagen supplements, providing you 10 grams of quality protein per serving. Paleo- and KETO-friendly. Is a non-GMO, hormone- and antibiotic-FREE formula that is gluten-free and FREE of artificial colors, flavors, preservatives, and sweeteners. No odor or taste, unlike bone broth and other collagen supplements, or choose one of our delicious new flavors. Mixes easily in hot or cool beverages, and it's fast and easy to prepare. NO CLUMPING! 60-day total satisfaction guarantee – just return even empty bags for your money back. When you order, we help feed a hungry child through FeedTheChildren.org®. 3 free bonuses worth $50. Up to 51% OFF today on this page. Yes, Ageless Multi-Collagen really can work wonders… for your skin, hair, nails, joints, and even the health and strength of your bones, teeth, digestive system, and muscles. And right now is the perfect time to try it, because today you're getting the very special up to 51% OFF a reduced price on Ageless Multi-Collagen–plus 3 FREE bonuses… How Much Should I Order? Each bag of Ageless Multi-Collagen Protein provides you with 221 grams per bag and 10 grams of collagen protein per serving. For "re-boosting" their collagen levels for maximum benefits, many customers like to start with two servings per day, and then after about a month, scale down to one serving per day. As such, most customers new to Ageless Multi-Collagen choose to save more by ordering 3 to 6 bags. It also makes sense to stock up now as today’s low sale prices may not last. Plus, Ageless Multi-Collagen Protein is available to you in both full 20-serving bags and BRAND NEW stick packs (16 packs per box). These convenient single-use stick packs fit in your purse, tote bag, or pocket and are ideal to quickly prepare your Ageless Multi-Collagen in water or any liquid when you're on-the-go… no fuss, no mess! Secure Yours For Up to 51% Off Today! That's as low as $1.20 per serving for the highest quality, best-mixing, and complete collagen supplement available containing ALL 5 types of essential collagen shipped directly to your door. Current status: In Stock. Your Order Will Ship Today. choose your package: Includes 3 free gifts buy 1 bag buy 1 bag $49 $34 per bag choose flavor you save 30% ($15) most popular! buy 3 bags buy 3 bags $49 $29 per bag total price: $87 choose flavor you save 40% ($60) buy 6 bags buy 6 bags $49 $24 per bag total price: $144 choose flavor you save 51% ($150) FAQs Q: How much should I buy today? Each bag of Ageless Multi-Collagen provides you with 221 grams per bag and 10 grams of bioactive collagen protein per serving. Many customers double down for added anti-aging support and take two servings per day, and customers often share Ageless Multi-Collagen with their family and friends – this product is great for women and men, and it makes a great gift! It also makes sense to stock up now, especially considering the current significantly discounted price. With all that in mind, we highly recommend stocking up and saving more today with our 3- or 6-bag options. Q: What specifically makes Ageless Multi-Collagen the best choice for a collagen supplement? Ageless Multi-Collagen is made with quality naturally-sourced ingredients and features FIVE types of collagen from FOUR sources: grass-fed, pasture-raised beef, sustainable fish, egg, and chicken. Ageless Multi-Collagen dissolves easily and it delivers your body the building blocks it needs to support gut health and healthy joints, bones, skin, hair, and nails. It is a COMPLETE protein, and it provides hydrolyzed collagen peptides for easy, rapid, and efficient digestion and absorption. Q: What are the ingredients and amounts used in the formula? Q: What is the best way to use Ageless Multi-Collagen? Simply add 1 scoop to at least 8 ounces of any hot or cool liquid and mix thoroughly. You can add Ageless Multi-Collagen to protein shakes, smoothies, coffee, tea, soups, and recipes. Q: How long will a bag of Ageless Multi-Collagen last? Each bag contains 20 to 40 servings depending on how you use it. Each full serving provides 10 grams of collagen protein; however, some of our customers add half a serving (5 grams of collagen) to coffee and protein drinks for an extra boost. Q: What’s different about the Collagen Stick Packs? The only difference is that each serving is individually packaged to make the product more convenient for on-the-go. This adds to the production and packaging costs, so while the price is the same as bags, stick packs have 16 servings with 10 grams of collagen per serving compared to the typical 20 servings in a bag. For now, stick packs are only available as unflavored, and we encourage you to add them to your routine such as when you are going to gym or traveling. Q: Does this product contain caffeine or any other stimulants? No. This product is caffeine- and stimulant-free. Q: Are there any allergy concerns with this product? This product contains ingredients from eggs and fish, and it is manufactured in a facility that also processes tree nuts, peanuts, wheat, and soy. Always review the label for the most accurate information. Q: If I have a medical condition, can I take this product? Ageless Multi-Collagen is intended for use by healthy adults over 18 years old. Do not take this product if you are pregnant or nursing. Consult your physician before use if you are taking any prescription or over-the-counter medications or are being treated for any medical condition. Discontinue use and consult your physician if you experience any adverse reaction to this product. Q: What if this product doesn't work for me? While Ageless Multi-Collagen was created to work, if for any reason at all you are unsatisfied with your purchase, just return even empty bags to us, and we will issue a prompt and courteous refund. You're always protected by our naturally honest 60-Day Money Back Guarantee. choose your package: Includes 3 free gifts buy 1 bag buy 1 bag $49 $34 per bag choose flavor you save 30% ($15) most popular! buy 3 bags buy 3 bags $49 $29 per bag total price: $87 choose flavor you save 40% ($60) buy 6 bags buy 6 bags $49 $24 per bag total price: $144 choose flavor you save 51% ($150) † STATEMENTS ON THIS WEBSITE HAVE NOT BEEN EVALUATED BY THE FOOD AND DRUG ADMINISTRATION. PRODUCTS ARE NOT INTENDED TO DIAGNOSE, TREAT, CURE OR PREVENT ANY DISEASE. © 2024 BioTRUST. All Rights Reserved. Privacy Policy | Terms of Use Offer ID: 1413 REFERENCES 1. Proksch E, Schunck M, Zague V, Segger D, Degwert J, Oesser S. Oral intake of specific bioactive collagen peptides reduces skin wrinkles and increases dermal matrix synthesis. Skin Pharmacol Physiol. 2014;27:113–9. 2. Proksch E, Segger D, Degwert J, Schunck M, Zague V, Oesser S. Oral supplementation of specific collagen peptides has beneficial effects on human skin physiology: a double-blind, placebo-controlled study. Skin Pharmacol Physiol. 2014;27:47–55. 3. Schunck M, Zague V, Oesser S, Proksch E. Dietary Supplementation with Specific Collagen Peptides Has a Body Mass Index-Dependent Beneficial Effect on Cellulite Morphology. J Med Food. 2015;18:1340–8. 4. Benito-Ruiz P, Camacho-Zambrano MM, Carrillo-Arcentales JN, Mestanza-Peralta MA, Vallejo-Flores CA, Vargas-López SV, et al. A randomized controlled trial on the efficacy and safety of a food ingredient, collagen hydrolysate, for improving joint comfort. Int J Food Sci Nutr. 2009;60 Suppl 2:99–113. 5. Clark KL, Sebastianelli W, Flechsenhar KR, Aukermann DF, Meza F, Millard RL, et al. 24-Week study on the use of collagen hydrolysate as a dietary supplement in athletes with activity-related joint pain. Curr Med Res Opin. 2008;24:1485–96. 6. Zdzieblik D, Oesser S, Baumstark MW, Gollhofer A, König D. Collagen peptide supplementation in combination with resistance training improves body composition and increases muscle strength in elderly sarcopenic men: a randomised controlled trial. Br J Nutr. 2015;114:1237–45. 7. Oertzen-Hagemann V, Kirmse M, Eggers B, Pfeiffer K, Marcus K, de Marées M, et al. Effects of 12 Weeks of Hypertrophy Resistance Exercise Training Combined with Collagen Peptide Supplementation on the Skeletal Muscle Proteome in Recreationally Active Men. Nutrients [Internet]. 2019 [cited 2020 Dec 4];11. Available from: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6566884/ 8. König D, Oesser S, Scharla S, Zdzieblik D, Gollhofer A. Specific Collagen Peptides Improve Bone Mineral Density and Bone Markers in Postmenopausal Women—A Randomized Controlled Study. Nutrients [Internet]. 2018 [cited 2018 Sep 26];10. Available from: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5793325/ 9. Chen Q, Chen O, Martins IM, Hou H, Zhao X, Blumberg JB, et al. Collagen peptides ameliorate intestinal epithelial barrier dysfunction in immunostimulatory Caco-2 cell monolayers via enhancing tight junctions. Food Funct. 2017;8:1144–51. 10. Varani J, Dame MK, Rittie L, Fligiel SEG, Kang S, Fisher GJ, et al. Decreased Collagen Production in Chronologically Aged Skin. Am J Pathol. 2006;168:1861–8. 11. Baumann L. Skin ageing and its treatment. J Pathol. 2007;211:241–51. 12. Lodish H, Berk A, Zipursky SL, Matsudaira P, Baltimore D, Darnell J. Collagen: The Fibrous Proteins of the Matrix. Mol Cell Biol 4th Ed [Internet]. 2000 [cited 2018 Sep 26]; Available from: https://www.ncbi.nlm.nih.gov/books/NBK21582/ 13. León-López A, Morales-Peñaloza A, Martínez-Juárez VM, Vargas-Torres A, Zeugolis DI, Aguirre-Álvarez G. Hydrolyzed Collagen—Sources and Applications. Molecules [Internet]. 2019 [cited 2021 Apr 29];24. Available from: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6891674/ 14. Alcock RD, Shaw GC, Burke LM. Bone Broth Unlikely to Provide Reliable Concentrations of Collagen Precursors Compared With Supplemental Sources of Collagen Used in Collagen Research. Int J Sport Nutr Exerc Metab. 2019;29:265–72. 15. Sibilla S, Godfrey M, Brewer S, Budh-Raja A, Genovese L. An Overview of the Beneficial Effects of Hydrolysed Collagen as a Nutraceutical on Skin Properties: Scientific Background and Clinical Studies. Open Nutraceuticals J. 2015;8:29–42.