1. Alizadeh-Otaghvar HR, Moradi F, Sadigh N, et al. Silk fibroin and Nettle extract promote wound healing in a rat model: A histological and morphometrical study. Acta Histochemica. 2022;124(6):151930. doi:10.1016/j.acthis.2022.151930
2. Almohanna HM, Ahmed AA, Tsatalis JP, Tosti A. The Role of Vitamins and Minerals in Hair Loss: A Review. Dermatol Ther (Heidelb). 2019;9(1):51-70. doi:10.1007/s13555-018-0278-6
3. Ambati RR, Phang SM, Ravi S, Ravishankar GA. Astaxanthin: Sources, Extraction, Stability, Biological Activities and Its Commercial Applications—A Review. Marine Drugs. 2014;12(1):128-152. doi:10.3390/md12010128
4. Anunciato TP, Da Rocha Filho PA. Carotenoids and polyphenols in nutricosmetics, nutraceuticals, and cosmeceuticals. Journal of Cosmetic Dermatology. 2012;11(1):51-54. doi:10.1111/j.1473-2165.2011.00600.x
5. Asgarpanah J, Roohi E. Phytochemistry and pharmacological properties of Equisetum arvense L. Journal of Medicinal Plants Research. 2012;6(21). doi:10.5897/jmpr12.234
6. Aşkın Ö, Uzunçakmak TKÜ, Altunkalem N, Tüzün Y. Vitamin deficiencies/hypervitaminosis and the skin. Clinics in Dermatology. 2021;39(5):847-857. doi:10.1016/j.clindermatol.2021.05.010
7. Morgado‐Carrasco D, Gil-Jilianes J, Jourdain E, Piquero‐Casals J. Tratamiento mediante suplementación oral o fármacos sistémicos del envejecimiento cutáneo. Revisión narrativa de la literatura. Actas Dermo-Sifiliográficas. 2023;114(2):114-124. doi:10.1016/j.ad.2022.09.014
8. Bandaranayake I, Mirmirani P. Hair loss remedies–separating fact from fiction. Cutis. 2004;73(2):107-114.
9. Buser S, Jovanovic D, Lenz B, et. al. Ro 11e3741/021 (Astaxanthin); 52-week oral chronic toxicity study in the rat. Protocol No. 005V913, 13-May2003, DSM Report 1007904, Published 2003.
10. Butawan M, Benjamin RL, Bloomer RJ. Methylsulfonylmethane: Applications and safety of a novel dietary supplement. Nutrients. 2017;9(3):290. doi:10.3390/nu9030290
11. Butt MS, Pasha I, Sultan MT, Randhawa MA, Saeed F, Ahmed W. Black Pepper and health Claims: A comprehensive treatise. Critical Reviews in Food Science and Nutrition. 2013;53(9):875-886. doi:10.1080/10408398.2011.571799
12. Četojević-Simin D, Čanadanović-Brunet J, Bogdanović G, et al. Antioxidative and Antiproliferative Activities of Different Horsetail (Equisetum arvense L.) Extracts. Journal of Medicinal Food. 2010;13(2):452-459. doi:10.1089/jmf.2008.0159
13. Chaiyana W, Punyoyai C, Somwongin S, et al. Inhibition of 5α-Reductase, IL-6 Secretion, and Oxidation Process of Equisetum debile Roxb. ex Vaucher Extract as Functional Food and Nutraceuticals Ingredients. Nutrients. 2017;9(10):1105. doi:10.3390/nu9101105
14. de Miranda RB, Weimer P, Rossi RC. Effects of hydrolyzed collagen supplementation on skin aging: a systematic review and meta-analysis. Int J Dermatol. 2021;60(12):1449-1461. doi:10.1111/ijd.15518
15. Di Francesco S, Savio M, Bloise N, Borroni G, Stivala LA, Borroni RG. Red grape (Vitis vinifera L.) flavonoids down-regulate collagen type III expression after UV-A in primary human dermal blood endothelial cells. Exp Dermatol. 2018;27(9):973-980. doi:10.1111/exd.13682
16. Dini I, Laneri S. Nutricosmetics: A brief overview. Phytother Res. 2019;33(12):3054-3063. doi:10.1002/ptr.6494
17. Sameem B, Khan F, Niaz K. L-Cysteine. In: Elsevier eBooks. ; 2019:53-58. doi:10.1016/b978-0-12-812491-8.00007-2
18. Dos Santos JG Jr, Blanco MM, Do Monte FH, et al. Sedative and anticonvulsant effects of hydroalcoholic extract of Equisetum arvense. Fitoterapia. 2005;76(6):508-513. doi:10.1016/j.fitote.2005.04.017
19. Nutrition NFEPO, Turck D, Castenmiller J, et al. Safety of astaxanthin for its use as a novel food in food supplements. EFSA Journal. 2020;18(2). doi:10.2903/j.efsa.2020.5993
20. Evron E, Juhász M, Babadjouni A, Mesinkovska NA. Natural hair supplement: friend or foe? Saw Palmetto, a Systematic review in Alopecia. Skin Appendage Disorders. 2020;6(6):329-337. doi:10.1159/000509905
21. Fernández-Lázaro D, Mielgo-Ayuso J, Martínez AC, Calvo JS. Iron and physical activity: bioavailability enhancers, properties of black pepper (Bioperine®) and potential applications. Nutrients. 2020;12(6):1886. doi:10.3390/nu12061886
22. Geng R, Kang S, Huang K, Tong T. Boosting the photoaged skin: The potential role of dietary components. Nutrients. 2021;13(5):1691. doi:10.3390/nu13051691
23. Guo D, Zhang L, Zhang L, et al. Effect of dietary methylsulfonylmethane supplementation on growth performance, hair quality, fecal microbiota, and metabolome in ragdoll kittens. Frontiers in Microbiology. 2022;13. doi:10.3389/fmicb.2022.838164
24. Hsu TF, Su ZR, Hsieh YH, et al. Oral hyaluronan relieves wrinkles and improves dry skin: a 12-Week Double-Blinded, Placebo-Controlled study. Nutrients. 2021;13(7):2220. doi:10.3390/nu13072220
25. Hochman LG, Scher RK, Meyerson MS. Brittle nails: response to daily biotin supplementation. Cutis. 1993;51(4):303-305.
26. Li H, Li M, Fu J, Ao H, Wang W, Wang X. Enhancement of oral bioavailability of quercetin by metabolic inhibitory nanosuspensions compared to conventional nanosuspensions. Drug Delivery. 2021;28(1):1226-1236. doi:10.1080/10717544.2021.1927244
27. Lisjak M.: Uporabna dermatologija – kožne bolezni in tumorji v vsakdanji praksi. Simona Boc, 2013: 92-97
28. Meephansan J, Rungjang A, Yingmema W, Deenonpoe R, Ponnikorn S. Effect of astaxanthin on cutaneous wound healing. Clinical, Cosmetic and Investigational Dermatology. 2017;Volume 10:259-265. doi:10.2147/ccid.s142795
29. Michalak M, Pierzak M, Kręcisz B, Suliga E. Bioactive Compounds for skin Health: A review. Nutrients. 2021;13(1):203. doi:10.3390/nu13010203
30. Mock DM. Skin manifestations of biotin deficiency. Semin Dermatol. 1991;10(4):296-302.
31. Muddasani S, Lin GHY, Hooper J, Sloan B. Nutrition and nail disease. Clinics in Dermatology. 2021;39(5):819-828. doi:10.1016/j.clindermatol.2021.05.009
32. Muizzuddin N, Benjamin R. Beneficial Effects of a Sulfur-Containing Supplement on Hair and Nail Condition [1] A prospective,… ResearchGate. Published online January 18, 2020. https://www.researchgate.net/publication/338677423_Beneficial_Effects_of_a_SulfurContaining_Supplement_on_Hair_and_Nail_Condition_1_A_prospective_doubleblind_study_in_middle-aged_women
33. Muzumdar S, Ferenczi K. Nutrition and youthful skin. Clinics in Dermatology. 2021;39(5):796-808. doi:10.1016/j.clindermatol.2021.05.007
34. Pandey A. Cosmeceuticals. StatPearls – NCBI Bookshelf. Published August 7, 2023. https://www.ncbi.nlm.nih.gov/books/NBK544223/
35. Preuss HG, Echard B, Yamashita E, Perricone NV. High dose astaxanthin lowers blood pressure and increases insulin sensitivity in rats: Are these effects interdependent? International Journal of Medical Sciences. 2011;8(2):126-138. doi:10.7150/ijms.8.126
36. Puri V, Nagpal M, Singh I, et al. A Comprehensive review on Nutraceuticals: therapy support and formulation challenges. Nutrients. 2022;14(21):4637. doi:10.3390/nu14214637
37. Rustad AM, Nickles MA, McKenney JE, Bilimoria S, Lio PA. Myths and media in oral collagen supplementation for the skin, nails, and hair: A review. Journal of Cosmetic Dermatology. 2021;21(2):438-443. doi:10.1111/jocd.14567
38. Shi J, Yu J, Pohorly J, Kakùda Y. Polyphenolics in Grape Seeds—Biochemistry and Functionality. Journal of Medicinal Food. 2003;6(4):291-299.
doi:10.1089/109662003772519831
39. Singh KNM, Patil S, Barkate H. Protective effects of astaxanthin on skin: Recent scientific evidence, possible mechanisms, and potential indications. Journal of Cosmetic Dermatology. 2019;19(1):22-27. doi:10.1111/jocd.13019
40. Sweetman L, Nyhan WL. Inheritable Biotin-Treatable Disorders and associated phenomena. Annual Review of Nutrition. 1986;6(1):317-343. doi:10.1146/annurev.nu.06.070186.001533
41. Uchiyama T, Tsunenaga M, Miyanaga M, Ueda O, Ogo M. Oral intake of lingonberry and amla fruit extract improves skin conditions in healthy female subjects: A randomized, double‐blind, placebo‐controlled clinical trial. Biotechnology and Applied Biochemistry. 2019;66(5):870-879. doi:10.1002/bab.1800
42. Uchida Y, Park K. Ceramides in Skin Health and Disease: An update. American Journal of Clinical Dermatology. 2021;22(6):853-866. doi:10.1007/s40257-021-00619-2
43. Uredba komisije (EU) št. 432/2012 z dne 16. maja 2012 o seznamu dovoljenih zdravstvenih trditev na živilih, razen trditev, ki se nanašajo na zmanjšanje tveganja za nastanek bolezni ter razvoj in zdravje otrok. https://eur-lex.europa.eu/legalcontent/SL/TXT/PDF/?uri=CELEX:32012R0432
44. Woodby B, Penta K, Pecorelli A, Lila MA, Valacchi G. Skin Health from the Inside Out. Annual Review of Food Science and Technology. 2020;11(1):235-254. doi:10.1146/annurevfood-032519-051722
45. Zhu Y, Wu Z, Liu H, Liu G, Li F. Methionine promotes the development of hair follicles via the Wnt/β‐catenin signalling pathway in Rex rabbits. Journal of Animal Physiology and Animal Nutrition. 2019;104(1):379-384. doi:10.1111/jpn.13238
46. Qu L, Wang F, Chen Y. Protective effect and mechanism research of Phyllanthus emblica Linn. fruit extract on UV-induced photodamage in keratinocytes. Photochemical & Photobiological Sciences. 2023;22(8):1945-1959. doi:10.1007/s43630-023-00423-3
47. Sørensen LT. Effect of lifestyle, gender and age on collagen formation and degradation. Hernia. 2006;10(6):456-461. doi:10.1007/s10029-006-0143-x
48. Fisher GJ, Varani J, Voorhees JJ. Looking older. Archives of Dermatology. 2008;144(5). doi:10.1001/archderm.144.5.666
49. Bolke L, Schlippe G, Gerß J, Voss W. A collagen supplement improves skin hydration, elasticity, roughness, and density: results of a randomized, Placebo-Controlled, blind study. Nutrients. 2019;11(10):2494. doi:10.3390/nu11102494
50. Panwar P, Butler GS, Jamroz A, Azizi P, Overall CM, Brömme D. Aging-associated modifications of collagen affect its degradation by matrix metalloproteinases. Matrix Biology. 2018;65:30-44. doi:10.1016/j.matbio.2017.06.004
51. Office of Dietary Supplements – Dietary supplements: What you need to know. https://ods.od.nih.gov/factsheets/WYNTK-Consumer/
52. Perez-Sanchez A, Burns EK, Perez VM, Tantry E, Prabhu S, Katta R. Safety concerns of skin, hair and nail supplements in retail stores. Cureus. Published online July 30, 2020. doi:10.7759/cureus.9477
53. Abrahams M, O’Grady R, Prawitt J. Feasibility and acceptability of a mixed model digital study to explore the effect of a daily collagen peptide supplement on digestive symptoms in healthy females: findings from a pilot study. (Preprint). JMIR Formative Research. 2022;6(5):e36339. doi:10.2196/36339
54. Lee JK, Kim I, Jeon EK, et al. Bacterially converted oat active ingredients enhances antioxidative and Anti-UVB photoaging activities. Evidence-based Complementary and Alternative Medicine. 2022;2022:1-12. doi:10.1155/2022/1901564
55. Montoro M, Belloc B, Domínguez-Cajal M. Small and large intestine (I): malabsorption of nutrients. Nutrients. 2021;13(4):1254. doi:10.3390/nu13041254
56. Zuvarox T, Belletieri C. Malabsorption Syndromes. In: StatPearls. Treasure Island (FL): StatPearls Publishing; July 24, 2023.
57. Hewlings S, Kalman D. Curcumin: A review of its Effects on Human health. Foods. 2017;6(10):92. doi:10.3390/foods6100092
58. Badmaev V, Majeed M, Prakash L. Piperine derived from black pepper increases the plasma levels of coenzyme q10 following oral supplementation. Journal of Nutritional Biochemistry. 2000;11(2):109-113. doi:10.1016/s0955-2863(99)00074-1
59. Gerasymchuk M, Cherkasova V, Kovalchuk O, Kovalchuk I. The role of microRNAs in organismal and skin aging. International Journal of Molecular Sciences. 2020;21(15):5281. doi:10.3390/ijms21155281
60. Reilly D, Lozano J. Skin collagen through the lifestages: importance for skin health and beauty. Plastic and Aesthetic Research. 2021;8:2. doi:10.20517/2347-9264.2020.153
61. Meléndez-Martínez AJ, Stinco CM. Skin carotenoids in Public Health and nutricosmetics: The emerging roles and applications of the UV Radiation-Absorbing colourless carotenoids phytoene and phytofluene. Nutrients. 2019;11(5):1093. doi:10.3390/nu11051093
62. Sirše M. Vpliv polifenolov na hondrogeno diferenciacijo mezenhimskih matičnih celic pri bolnikih z osteoartrozo. 2022. https://dk.um.si/IzpisGradiva.php?lang=slv&id=81576. Dostopano junij 1, 2023.
63. Lunder M, Roškar I, Hošek J, Štrukelj B. Silver Fir (Abies alba) Extracts Inhibit Enzymes Involved in Blood Glucose Management and Protect against Oxidative Stress in High Glucose Environment. Plant Foods for Human Nutrition. 2018;74(1):47-53. doi:10.1007/s11130-018-0698-6