Grass-Fed Hydrolyzed Bovine Collagen

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Saha A, Alam MJ, Ashraf KU, Mannan A. Computational analysis of bovine alpha-1 collagen sequences. Bioinformation. 2013;9(1):42‐48. doi: 10.6026/97320630009042

León-López A, Morales-Peñaloza A, Martínez-Juárez VM, Vargas-Torres A, Zeugolis DI, Aguirre-Álvarez G. Hydrolyzed Collagen-Sources and Applications. Molecules. 2019;24(22):4031. Published 2019 Nov 7. doi: 10.3390/molecules24224031

K. Henriksen, M.A. Karsdal, in Biochemistry of Collagens, Laminins and Elastin, 2016

Albaugh VL, Mukherjee K, Barbul A. Proline Precursors and Collagen Synthesis: Biochemical Challenges of Nutrient Supplementation and Wound Healing. J Nutr. 2017;147(11):2011‐2017. doi:10.3945/jn.117.256404

Avila Rodríguez, MI, Rodríguez Barroso, LG, Sánchez, ML. Collagen: A review on its sources and potential cosmetic applications. J Cosmet. Dermatol. 2018; 17: 20– 26. DOI: 10.1111/jocd.12450

Paul C, Leser S, Oesser S. Significant Amounts of Functional Collagen Peptides Can Be Incorporated in the Diet While Maintaining Indispensable Amino Acid Balance. Nutrients. 2019;11(5):1079. Published 2019 May 15.  doi: 10.3945/jn.117.256404

Proksch, E., Segger, D., Degwert, J., Schunck, M., Zague, V., & Oesser, S. (2014). Oral supplementation of specific collagen peptides has beneficial effects on human skin physiology: a double-blind, placebo-controlled study. Skin pharmacology and physiology, 27(1), 47–55. DOI: 10.1159/000351376

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(8):1237‐1245. doi: 10.1017/S0007114515002810

Organic Chicken Bone Broth

Crowley DC, Lau FC, Sharma P, et al. Safety and efficacy of undenatured type II collagen in the treatment of osteoarthritis of the knee: a clinical trial. Int J Med Sci. 2009;6(6):312‐321. Published 2009 Oct 9. doi: 10.7150/ijms.6.312

Bakilan F, Armagan O, Ozgen M, Tascioglu F, Bolluk O, Alatas O. Effects of Native Type II Collagen Treatment on Knee Osteoarthritis: A Randomized Controlled Trial. Eurasian J Med. 2016;48(2):95‐101. doi: 10.5152/eurasianjmed.2015.15030

Lugo, J.P., Saiyed, Z.M. & Lane, N.E. Efficacy and tolerability of an undenatured type II collagen supplement in modulating knee osteoarthritis symptoms: a multicenter randomized, double-blind, placebo-controlled study. Nutr J 15, 14 (2015). DOI: 10.1186/s12937-016-0130-8

Bagchi, D., Misner, B., Bagchi, M., Kothari, S. C., Downs, B. W., Fafard, R. D., & Preuss, H. G. (2002). Effects of orally administered undenatured type II collagen against arthritic inflammatory diseases: a mechanistic exploration. International journal of clinical pharmacology research, 22(3-4), 101–110.

Zhu, P., Li, X. Y., Wang, H. K., Jia, J. F., Zheng, Z. H., Ding, J., & Fan, C. M. (2007). Oral administration of type-II collagen peptide 250-270 suppresses specific cellular and humoral immune response in collagen-induced arthritis. Clinical immunology (Orlando, Fla.), 122(1), 75–84. DOI: 10.1016/j.clim.2006.08.004

Barnett, M. L., Kremer, J. M., St Clair, E. W., Clegg, D. O., Furst, D., Weisman, M., Fletcher, M. J., Chasan-Taber, S., Finger, E., Morales, A., Le, C. H., & Trentham, D. E. (1998). Treatment of rheumatoid arthritis with oral type II collagen. Results of a multicenter, double-blind, placebo-controlled trial. Arthritis and rheumatism, 41(2), 290–297. DOI: 10.1002/1529-0131(199802)41:2<290::AID-ART13>3.0.CO;2-R

Yoshinari, O., Moriyama, H., & Shiojima, Y. (2015). An overview of a novel, water-soluble undenatured type II collagen (NEXT-II). Journal of the American College of Nutrition, 34(3), 255–262. DOI: 10.1080/07315724.2014.919541

Paul, C., Leser, S., & Oesser, S. (2019). Significant Amounts of Functional Collagen Peptides Can Be Incorporated in the Diet While Maintaining Indispensable Amino Acid Balance. Nutrients, 11(5), 1079. DOI: 10.3390/nu11051079

Darling, A. L., Manders, R., Sahni, S., Zhu, K., Hewitt, C. E., Prince, R. L., Millward, D. J., & Lanham-New, S. A. (2019). Dietary protein and bone health across the life-course: an updated systematic review and meta-analysis over 40 years. Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA, 30(4), 741–761. DOI: 10.1007/s00198-019-04933-8

Lerman, R. H., Chang, J. L., Konda, V., Desai, A., & Montalto, M. B. (2015). Nutritional Approach for Relief of Joint Discomfort: A 12-week, Open-case Series and Illustrative Case Report. Integrative medicine (Encinitas, Calif.), 14(5), 52–61. PMCID: PMC4712866

Organic Beef Bone Broth

Di Lullo GA, Sweeney SM, Korkko J, Ala-Kokko L, San Antonio JD. Mapping the ligand-binding sites and disease-associated mutations on the most abundant protein in the human, type I collagen. The Journal of Biological Chemistry. 2002 Feb;277(6):4223-4231. DOI: 10.1074/jbc.M110709200

Xin Liu, Hong Wu, Michael Byrne, Stephen Krane, and Rudolf Jaenisch. Type III collagen is crucial for collagen I fibrillogenesis and for normal cardiovascular development. PNAS March 4, 1997 94 (5) 1852-1856. DOI: 10.1073/pnas.94.5.1852

Rebello, C. J., Liu, A. G., Greenway, F. L., & Dhurandhar, N. V. (2013). Dietary strategies to increase satiety. Advances in food and nutrition research, 69, 105–182. DOI: 10.1016/B978-0-12-410540-9.00003-X

Rubio, I. G., Castro, G., Zanini, A. C., & Medeiros-Neto, G. (2008). Oral ingestion of a hydrolyzed gelatin meal in subjects with normal weight and in obese patients: Postprandial effect on circulating gut peptides, glucose and... Eating and weight disorders : EWD, 13(1), 48–53. DOI: 10.1007/BF03327784

Veldhorst, M. A., Nieuwenhuizen, A. G., Hochstenbach-Waelen, A., Westerterp, K. R., Engelen, M. P., Brummer, R. J., Deutz, N. E., & Westerterp-Plantenga, M. S. (2009). A breakfast with alpha-lactalbumin, gelatin, or gelatin + TRP lowers energy intake at lunch compared with a breakfast with casein, soy, whey, or whey-GMP. Clinical nutrition (Edinburgh, Scotland), 28(2), 147–155. DOI: 10.1016/j.clnu.2008.12.003

Hochstenbach-Waelen, A., Westerterp-Plantenga, M. S., Veldhorst, M. A., & Westerterp, K. R. (2009). Single-protein casein and gelatin diets affect energy expenditure similarly but substrate balance and appetite differently in adults. The Journal of nutrition, 139(12), 2285–2292. DOI: 10.3945/jn.109.110403

Schunck, M., Zague, V., Oesser, S., & Proksch, E. (2015). Dietary Supplementation with Specific Collagen Peptides Has a Body Mass Index-Dependent Beneficial Effect on Cellulite Morphology. Journal of medicinal food, 18(12), 1340–1348. DOI: 10.1089/jmf.2015.0022

Wild Caught Hydrolyzed Fish Collagen

Sanchez A, Blanco M, Correa B, Perez-Martin RI, Sotelo CG. Effect of Fish Collagen Hydrolysates on Type I Collagen mRNA Levels of Human Dermal Fibroblast Culture. Mar Drugs. 2018;16(5):144. Published 2018 Apr 26. doi: 10.3390/md16050144

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. 2018;10(1):97. Published 2018 Jan 16. doi: 10.3390/nu10010097

Porfírio, Elisângela & Fanaro, Gustavo. (2016). Collagen supplementation as a complementary therapy for the prevention and treatment of osteoporosis and osteoarthritis: a systematic review. Revista Brasileira de Geriatria e Gerontologia. 19. 153-164. DOI: 10.1590/1809-9823.2016.14145

De Luca C, Mikhal'chik EV, Suprun MV, Papacharalambous M, Truhanov AI, Korkina LG. Skin Antiageing and Systemic Redox Effects of Supplementation with Marine Collagen Peptides and Plant-Derived Antioxidants: A Single-Blind Case-Control Clinical Study. Oxid Med Cell Longev. 2016;2016:4389410. doi: 10.1155/2016/4389410

Glynis A. A Double-blind, Placebo-controlled Study Evaluating the Efficacy of an Oral Supplement in Women with Self-perceived Thinning Hair. J Clin Aesthet Dermatol. 2012;5(11):28‐34. PMCID: PMC3509882

Proksch, E., Schunck, M., Zague, V., Segger, D., Degwert, J., & Oesser, S. (2014). Oral intake of specific bioactive collagen peptides reduces skin wrinkles and increases dermal matrix synthesis. Skin pharmacology and physiology, 27(3), 113–119. DOI: 10.1159/000355523

Proksch, E., Segger, D., Degwert, J., Schunck, M., Zague, V., & Oesser, S. (2014). Oral supplementation of specific collagen peptides has beneficial effects on human skin physiology: a double-blind, placebo-controlled study. Skin pharmacology and physiology, 27(1), 47–55. DOI: 10.1159/000351376

Egg Shell Membrane Collagen

Ruff KJ, Morrison D, Duncan SA, Back M, Aydogan C, Theodosakis J. Beneficial effects of natural eggshell membrane versus placebo in exercise-induced joint pain, stiffness, and cartilage turnover in healthy, postmenopausal women. Clin Interv Aging. 2018;13:285‐295. Published 2018 Feb 19. doi: 10.2147/CIA.S153782

Ruff KJ, Winkler A, Jackson RW, DeVore DP, Ritz BW. Eggshell membrane in the treatment of pain and stiffness from osteoarthritis of the knee: a randomized, multicenter, double-blind, placebo-controlled clinical study. Clin Rheumatol. 2009;28(8):907‐914. doi: 10.1007/s10067-009-1173-4

Hewlings, S., Kalman, D., & Schneider, L. V. (2019). A Randomized, Double-Blind, Placebo-Controlled, Prospective Clinical Trial Evaluating Water-Soluble Chicken Eggshell Membrane for Improvement in Joint Health in Adults with Knee Osteoarthritis. Journal of medicinal food, 22(9), 875–884. DOI: 10.1089/jmf.2019.0068

Ruff, K. J., DeVore, D. P., Leu, M. D., & Robinson, M. A. (2009). Eggshell membrane: a possible new natural therapeutic for joint and connective tissue disorders. Results from two open-label human clinical studies. Clinical interventions in aging, 4, 235–240. DOI: 10.2147/cia.s5797