{"id":464,"date":"2026-06-26T10:35:57","date_gmt":"2026-06-26T09:35:57","guid":{"rendered":"https:\/\/dev-prestashop-2b2cd056cbc0.prestashop.sh\/blog\/?p=464"},"modified":"2026-06-26T10:35:58","modified_gmt":"2026-06-26T09:35:58","slug":"cure-collagene","status":"publish","type":"post","link":"https:\/\/www.nutrixeal.fr\/expertise\/cure-collagene\/","title":{"rendered":"Pourquoi et comment faire une cure de collag\u00e8ne ?"},"content":{"rendered":"\n

Le collag\u00e8ne est la prot\u00e9ine la plus abondante de l’organisme humain. Avec l’\u00e2ge, sa synth\u00e8se naturelle diminue, ce qui peut entra\u00eener l’apparition de signes visibles sur la peau et au niveau des articulations. Une cure de collag\u00e8ne apporte un soutien cibl\u00e9 pour accompagner les besoins du corps. D\u00e9couvrez les conseils du laboratoire Nutrixeal pour bien la mener.<\/p>\n\n\n\r\n

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  • Objectif d\u2019une cure<\/strong> : Le collag\u00e8ne aide \u00e0 soutenir les tissus riches en prot\u00e9ines structurelles, comme la peau, les articulations, les tendons et les os.<\/li>\n\n\n\n
  • Peau et \u00e9lasticit\u00e9<\/strong> : Les peptides de collag\u00e8ne peuvent accompagner l\u2019hydratation, la fermet\u00e9 et l\u2019\u00e9lasticit\u00e9 cutan\u00e9e apr\u00e8s plusieurs semaines de prise r\u00e9guli\u00e8re.<\/li>\n\n\n\n
  • Articulations et mobilit\u00e9<\/strong> : Une cure peut apporter des acides amin\u00e9s utiles au cartilage et soutenir la sant\u00e9 articulaire.<\/li>\n\n\n\n
  • Choix de la forme<\/strong> : Le collag\u00e8ne hydrolys\u00e9, est privil\u00e9gi\u00e9 pour son assimilation et sa biodisponibilit\u00e9, le collag\u00e8ne natif agit diff\u00e9r\u00e8ment avec des m\u00e9canismes immunomodulateurs ; les deux formes se compl\u00e8tent.<\/li>\n\n\n\n
  • Dur\u00e9e r\u00e9aliste<\/strong> : Les effets ne sont pas imm\u00e9diats ; il faut g\u00e9n\u00e9ralement 8 \u00e0 12 semaines pour la peau, et plusieurs mois pour les articulations.<\/li>\n\n\n\n
  • Synergie avec la vitamine C<\/strong> : La vitamine C est indispensable \u00e0 la formation normale du collag\u00e8ne et renforce la coh\u00e9rence d\u2019une cure bien men\u00e9e.<\/li>\n<\/ul>\n <\/div>\r\n\r\n<\/section>\n\n\n

    Qu’est-ce que le collag\u00e8ne et pourquoi est-il essentiel ?<\/h2><\/div>\n\n\n\n

    Le collag\u00e8ne est une prot\u00e9ine structurelle qui repr\u00e9sente pr\u00e8s de 30 % des prot\u00e9ines totales du corps humain.[1]<\/sup> On le trouve dans la peau, les os, les tendons, les ligaments, le cartilage et les vaisseaux sanguins.<\/p>\n\n\n\n

    Cette prot\u00e9ine est compos\u00e9e d’acides amin\u00e9s sp\u00e9cifiques : la glycine, la proline et l’hydroxyproline. Ces briques mol\u00e9culaires fondamentales assurent la coh\u00e9sion de nos tissus conjonctifs.[2]<\/sup><\/p>\n\n\n\n

    Au laboratoire Nutrixeal, nous savons que la synth\u00e8se du collag\u00e8ne diminue d\u00e8s 25 ans, \u00e0 un rythme d’environ 1 % par an. Cette baisse progressive justifie l’int\u00e9r\u00eat d’une suppl\u00e9mentation adapt\u00e9e pour soutenir le capital collag\u00e8ne.<\/p>\n\n\n\n

    Quels sont les bienfaits d’une cure de collag\u00e8ne ?<\/h2><\/div>\n\n\n\n

    Pour la peau : fermet\u00e9, \u00e9lasticit\u00e9 et r\u00e9duction des rides<\/h3><\/div>\n\n\n\n

    La peau contient principalement du collag\u00e8ne de type I, qui assure sa fermet\u00e9 et son \u00e9lasticit\u00e9. Avec le temps, la diminution de cette prot\u00e9ine se traduit par l’apparition de rides et une perte de tonicit\u00e9 cutan\u00e9e.<\/p>\n\n\n\n

    Une revue syst\u00e9matique publi\u00e9e en 2019 portant sur 11 \u00e9tudes cliniques (805 participants) a mis en \u00e9vidence des am\u00e9liorations sur l’\u00e9paisseur du derme, l’hydratation et l’\u00e9lasticit\u00e9 apr\u00e8s une suppl\u00e9mentation en peptides de collag\u00e8ne.[3]<\/sup><\/p>\n\n\n\n

    Les peptides de collag\u00e8ne hydrolys\u00e9s apportent \u00e0 l’organisme les acides amin\u00e9s n\u00e9cessaires \u00e0 la synth\u00e8se cutan\u00e9e. Le laboratoire Nutrixeal recommande une approche r\u00e9guli\u00e8re pour observer des r\u00e9sultats sur la qualit\u00e9 de la peau.<\/p>\n\n\n\r\n

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    La vitamine C contribue \u00e0 la formation normale de collag\u00e8ne pour le fonctionnement normal de la peau.[4]<\/sup> Associer une cure de collag\u00e8ne \u00e0 un apport suffisant en vitamine C optimise la synth\u00e8se cutan\u00e9e. C’est pourquoi de nombreuses formulations combinent ces deux ingr\u00e9dients pour une action compl\u00e9mentaire et coh\u00e9rente sur le derme.<\/em><\/p>\n <\/div>\r\n\r\n<\/section>\n\n\n

    Pour les cheveux et les ongles : force et brillance<\/h3><\/div>\n\n\n\n

    Les cheveux et les ongles sont compos\u00e9s de k\u00e9ratine, mais leur croissance d\u00e9pend aussi de la qualit\u00e9 des tissus environnants riches en collag\u00e8ne. Le bulbe pileux et la matrice de l’ongle baignent dans un environnement o\u00f9 cette prot\u00e9ine joue un r\u00f4le structurel.<\/p>\n\n\n\n

    Le laboratoire Nutrixeal souligne que la prise de peptides de collag\u00e8ne fournit les acides amin\u00e9s utiles \u00e0 ces structures. Glycine, proline et hydroxyproline sont les composants essentiels apport\u00e9s par cette prot\u00e9ine.[5]<\/sup><\/p>\n\n\n\n

    Une alimentation \u00e9quilibr\u00e9e associ\u00e9e \u00e0 une suppl\u00e9mentation cibl\u00e9e peut accompagner la beaut\u00e9 des cheveux et des ongles au quotidien.<\/p>\n\n\n\n

    Pour les articulations et les os : mobilit\u00e9 et confort<\/h3><\/div>\n\n\n\n

    Le cartilage articulaire est compos\u00e9 majoritairement de collag\u00e8ne de type II, tandis que le tissu osseux contient du collag\u00e8ne de type I. Ces tissus subissent une usure progressive avec les ann\u00e9es.<\/p>\n\n\n\n

    Les peptides de collag\u00e8ne hydrolys\u00e9s fournissent aux chondrocytes (cellules du cartilage) les acides amin\u00e9s n\u00e9cessaires \u00e0 la synth\u00e8se endog\u00e8ne du collag\u00e8ne articulaire.[6]<\/sup> Cette action de soutien structurel int\u00e9resse particuli\u00e8rement les sportifs et les personnes concern\u00e9es par la mobilit\u00e9.<\/p>\n\n\n\n

    Au-del\u00e0 du cartilage, le collag\u00e8ne participe aussi \u00e0 la qualit\u00e9 des tendons et \u00e0 la trame osseuse. Une cure peut accompagner les besoins li\u00e9s \u00e0 l’activit\u00e9 physique r\u00e9guli\u00e8re.<\/p>\n\n\n\n

    Quel est l’\u00e2ge id\u00e9al pour commencer une cure de collag\u00e8ne ?<\/h2><\/div>\n\n\n\n

    La synth\u00e8se naturelle commence \u00e0 d\u00e9cliner d\u00e8s 25 ans.[7]<\/sup> C’est donc \u00e0 cette p\u00e9riode qu’une suppl\u00e9mentation peut \u00eatre envisag\u00e9e \u00e0 titre pr\u00e9ventif, avant l’apparition des premiers signes visibles.<\/p>\n\n\n\n

    Entre 30 et 40 ans, les premiers signes de l’\u00e2ge se manifestent sur le visage. D\u00e9marrer une cure pr\u00e9ventive permet d’accompagner l’organisme dans ses besoins \u00e9volutifs. Apr\u00e8s 50 ans, la suppl\u00e9mentation reste pertinente pour soutenir la peau et les articulations.<\/p>\n\n\n\n

    Comment choisir le bon type de collag\u00e8ne ?<\/h2><\/div>\n\n\n\n

    Collag\u00e8ne marin vs. collag\u00e8ne bovin : lequel privil\u00e9gier ?<\/h3><\/div>\n\n\n\n

    En pratique, l\u2019origine du collag\u00e8ne n\u2019est probablement pas le crit\u00e8re le plus important en termes d\u2019efficacit\u00e9. Qu\u2019il soit marin ou bovin, ce qui compte surtout est la qualit\u00e9 des peptides de collag\u00e8ne, leur degr\u00e9 d\u2019hydrolyse ainsi que la puret\u00e9 du produit final.<\/p>\n\n\n\n

    Le collag\u00e8ne marin est extrait de la peau et des \u00e9cailles de poissons. Sa structure pr\u00e9sente un poids mol\u00e9culaire g\u00e9n\u00e9ralement plus faible, ce qui favorise son assimilation par l’organisme.[8]<\/sup> Le collag\u00e8ne bovin, quant \u00e0 lui, provient des peaux et des os de bovid\u00e9s.\u00a0<\/p>\n\n\n\n

    Le laboratoire Nutrixeal a choisi de privil\u00e9gier le collag\u00e8ne marin dans ses formulations, notamment pour son impact environnemental plus limit\u00e9 gr\u00e2ce \u00e0 la valorisation de coproduits issus de la fili\u00e8re de p\u00eache.<\/p>\n\n\n\n

    Comprendre les diff\u00e9rents types de collag\u00e8ne (I, II, III)<\/h3><\/div>\n\n\n\n

    Il existe 28 types de collag\u00e8ne dans le corps humain, mais trois dominent largement.[9] <\/sup>Voici un tableau comparatif pour vous aider \u00e0 choisir :<\/p>\n\n\n\n

    Type de collag\u00e8ne<\/th>Localisation principale<\/th>R\u00f4le<\/th><\/tr><\/thead>
    Type I<\/td>Peau, os, tendons<\/td>Fermet\u00e9 et structure<\/td><\/tr>
    Type II<\/td>Cartilage articulaire<\/td>Souplesse du cartilage<\/td><\/tr>
    Type III<\/td>Vaisseaux sanguins, organes, peau<\/td>\u00c9lasticit\u00e9 tissulaire<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    Le collag\u00e8ne de type I reste le plus repr\u00e9sent\u00e9 dans le derme. Il est donc privil\u00e9gi\u00e9 dans les formules orient\u00e9es beaut\u00e9.<\/p>\n\n\n\n

    Collag\u00e8ne hydrolys\u00e9 vs. natif : l’importance de l’assimilation<\/h3><\/div>\n\n\n\n

    Le collag\u00e8ne natif conserve sa structure tridimensionnelle d’origine. Il agit selon un m\u00e9canisme de tol\u00e9rance orale et s’utilise g\u00e9n\u00e9ralement \u00e0 tr\u00e8s faibles doses pour le confort articulaire.[10]<\/sup><\/p>\n\n\n\n

    Le collag\u00e8ne hydrolys\u00e9 subit un processus enzymatique qui fragmente la prot\u00e9ine en peptides de faible poids mol\u00e9culaire (2 000 \u00e0 5 000 daltons). Cette fragmentation contr\u00f4l\u00e9e am\u00e9liore l’assimilation intestinale et la biodisponibilit\u00e9.[11]<\/sup><\/p>\n\n\n\n

    Le laboratoire Nutrixeal recommande ainsi l\u2019association des formes native et hydrolys\u00e9e afin de tirer parti de leurs propri\u00e9t\u00e9s compl\u00e9mentaires.<\/p>\n\n\n\n

    Quelle est la dur\u00e9e id\u00e9ale d’une cure de collag\u00e8ne pour des r\u00e9sultats visibles ?<\/h2><\/div>\n\n\n\n

    Les premi\u00e8res am\u00e9liorations visibles apparaissent g\u00e9n\u00e9ralement entre 8 et 12 semaines de prise quotidienne.[3]<\/sup> Cette dur\u00e9e correspond au cycle de renouvellement des tissus cutan\u00e9s, qui est d’environ 28 jours pour l’\u00e9piderme et bien plus long pour le derme.<\/p>\n\n\n\n

    Pour des r\u00e9sultats sur les articulations, comptez 3 \u00e0 6 mois de cure r\u00e9guli\u00e8re. Une suppl\u00e9mentation prolong\u00e9e et continue permet d’obtenir des effets durables. Le laboratoire Nutrixeal recommande de renouveler la cure deux \u00e0 trois fois par an pour maintenir les b\u00e9n\u00e9fices observ\u00e9s.<\/p>\n\n\n\r\n

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    Les r\u00e9sultats d’une cure de collag\u00e8ne ne sont pas imm\u00e9diats. La patience est essentielle, car les tissus se renouvellent lentement. Pour optimiser votre cure, associez la prise quotidienne \u00e0 une bonne hydratation, une alimentation riche en prot\u00e9ines et une protection solaire adapt\u00e9e. Ces gestes simples soutiennent l’efficacit\u00e9 de la suppl\u00e9mentation sur le long terme.<\/em><\/p>\n <\/div>\r\n\r\n<\/section>\n\n\n

    Posologie : quelle dose de collag\u00e8ne prendre pour une efficacit\u00e9 maximale ?<\/h2><\/div>\n\n\n\n

    Les \u00e9tudes cliniques \u00e9valuent g\u00e9n\u00e9ralement des doses comprises entre 2,5 g et 10 g de peptides de collag\u00e8ne par jour.[3] Cette fourchette correspond aux protocoles valid\u00e9s en recherche clinique sur la peau.<\/p>\n\n\n\n

    Pour le confort articulaire, certaines \u00e9tudes vont jusqu’\u00e0 10 g voire 15 g quotidiens.[12]<\/sup> Adapter la dose \u00e0 l’objectif vis\u00e9 reste la r\u00e8gle d’or. Au laboratoire Nutrixeal, nous recommandons de respecter la posologie indiqu\u00e9e sur le produit choisi.<\/p>\n\n\n\n

    Une dose trop faible (inf\u00e9rieure \u00e0 2,5 g) risque de ne pas produire d’effet notable, tandis qu’au-del\u00e0 de 15 g, aucun b\u00e9n\u00e9fice suppl\u00e9mentaire n’a \u00e9t\u00e9 d\u00e9montr\u00e9 dans la litt\u00e9rature scientifique.[13]<\/sup><\/p>\n\n\n\n

    Comment prendre son collag\u00e8ne : les meilleures astuces<\/h2><\/div>\n\n\n\n

    La r\u00e9gularit\u00e9 : la cl\u00e9 du succ\u00e8s<\/h3><\/div>\n\n\n\n

    La prise quotidienne et continue est indispensable pour obtenir des r\u00e9sultats. Le laboratoire Nutrixeal conseille d’int\u00e9grer le collag\u00e8ne \u00e0 un rituel fixe : au petit-d\u00e9jeuner, en milieu de journ\u00e9e ou avant le coucher.<\/p>\n\n\n\n

    Une routine stable et durable facilite l’observance sur plusieurs mois. Mieux vaut une dose r\u00e9guli\u00e8re qu’une dose ponctuelle plus \u00e9lev\u00e9e.<\/p>\n\n\n\n

    L’association avec la vitamine C : un cofacteur essentiel<\/h3><\/div>\n\n\n\n

    La vitamine C est un cofacteur des enzymes prolyl-hydroxylase et lysyl-hydroxylase, indispensables \u00e0 la stabilisation de la triple h\u00e9lice du collag\u00e8ne.[14]<\/sup><\/p>\n\n\n\n

    Sans apport suffisant en vitamine C, la synth\u00e8se de collag\u00e8ne fonctionnel est compromise. Cette synergie biochimique fondamentale justifie l’association des deux nutriments dans la m\u00eame prise.<\/p>\n\n\n\n

    Les diff\u00e9rentes formes de collag\u00e8ne : poudre, g\u00e9lules, boissons, gummies<\/h3><\/div>\n\n\n\n

    La poudre permet d’apporter les doses les plus \u00e9lev\u00e9es (5 \u00e0 10 g) utilis\u00e9es dans les \u00e9tudes cliniques. Les g\u00e9lules sont pratiques mais limitent la quantit\u00e9 par prise.<\/p>\n\n\n\n

    Les boissons pr\u00eates \u00e0 boire et les gummies offrent un format ludique. Ils pr\u00e9sentent toutefois certaines limites : leur dosage en collag\u00e8ne est souvent plus faible, ils peuvent contenir davantage de sucres, d\u2019\u00e9dulcorants ou d\u2019additifs technologiques, et leur stabilit\u00e9 peut \u00eatre plus complexe \u00e0 garantir dans le temps.<\/p>\n\n\n\n

     Choisir une forme adapt\u00e9e \u00e0 votre quotidien favorise la r\u00e9gularit\u00e9 de la cure.<\/p>\n\n\n\n

    Y a-t-il des effets secondaires \u00e0 une cure de collag\u00e8ne ?<\/h3><\/div>\n\n\n\n

    Le collag\u00e8ne hydrolys\u00e9 est g\u00e9n\u00e9ralement bien tol\u00e9r\u00e9. Des troubles digestifs l\u00e9gers (ballonnements, sensation de lourdeur) peuvent survenir dans de rares cas.[15]<\/sup><\/p>\n\n\n\n

    Les personnes allergiques au poisson doivent \u00e9viter le collag\u00e8ne marin. En cas de grossesse, d\u2019allaitement ou de pathologie particuli\u00e8re, il peut \u00e9galement \u00eatre pr\u00e9f\u00e9rable de demander l\u2019avis d\u2019un professionnel de sant\u00e9 avant toute suppl\u00e9mentation.<\/p>\n\n\n\n

    Bibliographie<\/h2><\/div>\n\n\n\n

    [1] Shoulders MD, Raines RT. Collagen structure and stability. Annual Review of Biochemistry. 2009;78:929-958.<\/p>\n\n\n\n

    [2] NCBI Bookshelf. Biochemistry, Collagen Synthesis. StatPearls Publishing.<\/p>\n\n\n\n

    [3] Choi FD, Sung CT, Juhasz ML, Mesinkovsk NA. Oral Collagen Supplementation: A Systematic Review of Dermatological Applications. Journal of Drugs in Dermatology. 2019;18(1):9-16.<\/p>\n\n\n\n

    [4] EFSA. R\u00e8glement (UE) n\u00b0 432\/2012 – All\u00e9gations de sant\u00e9 autoris\u00e9es concernant la vitamine C.<\/p>\n\n\n\n

    [5] Le\u00f3n-L\u00f3pez A, et al. Hydrolyzed Collagen-Sources and Applications. Molecules. 2019;24(22):4031.<\/p>\n\n\n\n

    [6] Bello AE, Oesser S. Current Medical Research and Opinion. 2006;22(11):2221-2232.<\/p>\n\n\n\n

    [7] Varani J, et al. Decreased collagen production in chronologically aged skin. American Journal of Pathology. 2006;168(6):1861-1868.<\/p>\n\n\n\n

    [8] Sibilla S, et al. An Overview of the Beneficial Effects of Hydrolysed Collagen. The Open Nutraceuticals Journal. 2015;8:29-42.<\/p>\n\n\n\n

    [9] Ricard-Blum S. The Collagen Family. Cold Spring Harbor Perspectives in Biology. 2011;3(1):a004978.<\/p>\n\n\n\n

    [10] Bagchi D, et al. Effects of orally administered undenatured type II collagen. International Journal of Clinical Pharmacology Research. 2002;22(3-4):101-110.<\/p>\n\n\n\n

    [11] Asserin J, et al. The effect of oral collagen peptide supplementation on skin moisture and the dermal collagen network. Journal of Cosmetic Dermatology. 2015;14(4):291-301.<\/p>\n\n\n\n

    [12] Clark KL, et al. 24-Week study on the use of collagen hydrolysate as a dietary supplement in athletes with activity-related joint pain. Current Medical Research and Opinion. 2008;24(5):1485-1496.<\/p>\n\n\n\n

    [13] 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.<\/p>\n\n\n\n

    [14] DePhillipo NN, et al. Efficacy of Vitamin C Supplementation on Collagen Synthesis and Oxidative Stress. PMC. 2018.<\/p>\n\n\n\n

    [15] EFSA Panel. Scientific Opinion on the safety of collagen hydrolysate. EFSA Journal. 2017.<\/p>\n\n\n\n

    <\/p>\n","protected":false},"excerpt":{"rendered":"

    Le collag\u00e8ne est la prot\u00e9ine la plus abondante de l’organisme humain. Avec l’\u00e2ge, sa synth\u00e8se naturelle diminue, ce qui peut entra\u00eener l’apparition de signes visibles sur la peau et au niveau des articulations. Une cure de collag\u00e8ne apporte un soutien cibl\u00e9 pour accompagner les besoins du corps. D\u00e9couvrez les conseils du laboratoire Nutrixeal pour bien […]<\/p>\n","protected":false},"author":3,"featured_media":719,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","nutrixeal_featured":false,"nutrixeal_most_read":false,"footnotes":""},"categories":[37],"tags":[],"class_list":["post-464","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles-collagene"],"yoast_head":"\nCure de collag\u00e8ne : quand et comment la faire ?<\/title>\n<meta name=\"description\" content=\"Fatigu\u00e9(e) des rides et articulations douloureuses ? Une cure de collag\u00e8ne pourrait bien \u00eatre la solution. 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