{"id":31039,"date":"2026-03-16T17:16:07","date_gmt":"2026-03-16T16:16:07","guid":{"rendered":"https:\/\/www.neolifesalud.com\/blog\/sin-categorizar\/index-glucemic-i-proteina-el-que-realment-importa-si-vol-perdre-pes\/"},"modified":"2026-03-16T17:16:07","modified_gmt":"2026-03-16T16:16:07","slug":"index-glucemic-i-proteina-el-que-realment-importa-si-vol-perdre-pes","status":"publish","type":"post","link":"https:\/\/www.neolifesalud.com\/ca\/blog\/nutricio\/index-glucemic-i-proteina-el-que-realment-importa-si-vol-perdre-pes\/","title":{"rendered":"\u00cdndex gluc\u00e8mic i prote\u00efna: el que realment importa si vol perdre pes."},"content":{"rendered":"
\n

Ni tot \u00e9s l’\u00edndex gluc\u00e8mic ni necessites menjar prote\u00efna sense l\u00edmit.<\/strong><\/h1>\n

Si voleu perdre greix, probablement heu sentit que ha d’evitar aliments amb alt \u00edndex gluc\u00e8mic i augmentar molt la prote\u00efna. Per\u00f2 qu\u00e8 \u00e9s realment important? L’\u00edndex gluc\u00e8mic influeix tant com creiem? Quanta prote\u00efna necessites de deb\u00f2? Aclarim tots dos conceptes amb base cient\u00edfica i aplicaci\u00f3 pr\u00e0ctica. <\/p>\n

Adriana Mart\u00edn Peral – Unitat de Nutrici\u00f3 Neolife<\/em><\/p>\n

\n

Qu\u00e8 \u00e9s realment l’\u00edndex gluc\u00e8mic?<\/strong><\/p>\n

L’\u00edndex gluc\u00e8mic (IG) mesura la velocitat amb qu\u00e8 un aliment que cont\u00e9 carbohidrats eleva la glucosa a la sang en comparaci\u00f3 amb la glucosa pura.<\/p>\n

    \n
  • IG alt \u2192 pujada r\u00e0pida de glucosa.<\/li>\n
  • IG baix \u2192 pujada m\u00e9s lenta<\/li>\n<\/ul>\n

    Per\u00f2 hi ha un problema: l’\u00edndex gluc\u00e8mic es mesura en condicions a\u00efllades, amb l’aliment consumit sol i quantitats estandarditzades. A la vida real, mengem combinacions d’aliments. Per aix\u00f2, el concepte m\u00e9s \u00fatil \u00e9s la c\u00e0rrega gluc\u00e8mica, que t\u00e9 en compte tant la qualitat com la quantitat de carbohidrat. <\/p>\n

    \u00bfImporta l’\u00edndex gluc\u00e8mic per perdre pes?<\/strong><\/p>\n

    L’evid\u00e8ncia mostra que:<\/p>\n

      \n
    • Les dietes de baix IG poden millorar el control gluc\u00e8mic.<\/li>\n
    • En persones amb resist\u00e8ncia a la insulina poden ser especialment \u00fatils.<\/li>\n
    • Tot i aix\u00f2, quan les calories i la prote\u00efna estan controlades, l’IG per si sol no determina la p\u00e8rdua de greix.<\/li>\n<\/ul>\n

      El que m\u00e9s influeix en la p\u00e8rdua de pes \u00e9s:<\/p>\n

        \n
      • D\u00e8ficit cal\u00f2ric sostingut<\/li>\n
      • Suficient prote\u00efna<\/li>\n
      • Adher\u00e8ncia a llarg termini<\/li>\n<\/ul>\n

        Un aliment amb IG alt no \u201cengreix\u201d per si mateix. El context complet de la dieta \u00e9s el que marca la difer\u00e8ncia. <\/p>\n

        \"\u00edndex<\/p>\n

        La prote\u00efna: la gran protagonista en la p\u00e8rdua de greix<\/strong><\/p>\n

        Si hi ha un macronutrient clau quan busquem perdre greix sense perdre massa muscular, \u00e9s la prote\u00efna, per qu\u00e8?<\/p>\n

          \n
        • Augmenta la sacietat.<\/li>\n
        • Redueix la p\u00e8rdua de massa muscular en d\u00e8ficit cal\u00f2ric.<\/li>\n
        • T\u00e9 m\u00e9s efecte t\u00e8rmic (despesem m\u00e9s energia en digerir-la).<\/li>\n<\/ul>\n

          Per\u00f2 aqu\u00ed sorgeix la pregunta important:<\/p>\n

          Quanta prote\u00efna es necessita realment per perdre pes?<\/strong><\/p>\n

          La recomanaci\u00f3 est\u00e0ndard per a poblaci\u00f3 general \u00e9s 0,8 g\/kg\/dia.<\/p>\n

          Per a la p\u00e8rdua de greix i preservaci\u00f3 de massa muscular, l’evid\u00e8ncia actual suggereix: 1,6 \u2013 2,2 g\/kg de pes corporal al dia. No obstant aix\u00f2, abans d’augmentar la prote\u00efna, assegureu-vos que no hi hagi una condici\u00f3 m\u00e8dica que requereixi un enfocament diferent. Aquesta ingesta s’ha d’individualitzar i supervisar per un professional sanitari. <\/p>\n

          Exemple pr\u00e0ctic:<\/u><\/p>\n

          Una persona de 70 kg que vol perdre greix hauria de consumir entre 112 i 154 g de prote\u00efna al dia. No \u00e9s \u201cmenjar prote\u00efna sense l\u00edmit\u201d. M\u00e9s enll\u00e0 d’aquest rang, els beneficis no augmenten significativament. <\/p>\n

          \"\u00edndex<\/p>\n

          El que realment hauria de fer:<\/strong><\/p>\n

          En lloc d’obsessionar-se amb l’\u00edndex gluc\u00e8mic:<\/p>\n

            \n
          • Assegureu prote\u00efna suficient en cada \u00e0pat.<\/li>\n
          • Combineu carbohidrats amb fibra, greix i prote\u00efna.<\/li>\n
          • Prioritzar aliments m\u00ednimament processats.<\/li>\n
          • Avalueu la vostra adher\u00e8ncia abans que l’IG.<\/li>\n<\/ul>\n

            Si en millora la distribuci\u00f3 proteica di\u00e0ria, l’impacte en composici\u00f3 corporal ser\u00e0 molt m\u00e9s gran que centrar-se exclusivament en l’\u00edndex gluc\u00e8mic.<\/p>\n

            Conclusi\u00f3<\/strong><\/p>\n

            L’\u00edndex gluc\u00e8mic pot ser una eina \u00fatil en determinats contextos, especialment en persones amb alteracions metab\u00f2liques, per\u00f2 no \u00e9s el factor decisiu quan parlem de p\u00e8rdua de greix. El que marca realment la difer\u00e8ncia \u00e9s mantenir un d\u00e8ficit cal\u00f2ric sostenible, assegurar una ingesta adequada de prote\u00efna i construir un patr\u00f3 alimentari que pugui mantenir en el temps. <\/p>\n

            En aquest context, la prote\u00efna juga un paper clau perqu\u00e8 ajuda a preservar la massa muscular, en millora la sacietat i en facilita l’adher\u00e8ncia al pla. Tot i aix\u00f2, m\u00e9s no sempre \u00e9s millor, i les recomanacions s’han d’ajustar a les caracter\u00edstiques individuals ia l’estat de salut de cada persona. <\/p>\n

            En definitiva, perdre pes no dep\u00e8n de demonitzar aliments pel seu \u00edndex gluc\u00e8mic ni de consumir prote\u00efna sense l\u00edmit, sin\u00f3 aplicar estrat\u00e8gia, evid\u00e8ncia i coher\u00e8ncia a llarg termini.<\/p>\n

            \n

            BIBLIOGRAFIA<\/p>\n

            (1) Thomas, D., Erdman, K., & Burke, L. (2016). Position of the Academy of Nutrition and Dietetics: Nutrition and Athletic Performance. <\/p>\n

            (2) Morton, R. W., et al. (2018). Protein intake and muscle mass: A meta-analysis.<\/p>\n

            (3) Wycherley, T. P., et al. (2012). Effects of energy-restricted high-protein diets on body composition.<\/p>\n

            (4) Livesey, G., et al. (2008). Glycemic index and body weight: systematic review and meta-analysis.<\/p>\n

            \n","protected":false},"excerpt":{"rendered":"

            Ni tot \u00e9s l’\u00edndex gluc\u00e8mic ni necessites menjar prote\u00efna sense l\u00edmit. Si voleu perdre greix, probablement heu sentit que ha d’evitar aliments amb alt \u00edndex gluc\u00e8mic i augmentar molt la prote\u00efna. Per\u00f2 qu\u00e8 \u00e9s realment important? L’\u00edndex gluc\u00e8mic influeix tant com creiem? Quanta prote\u00efna necessites de deb\u00f2? Aclarim tots dos conceptes amb base cient\u00edfica i […]<\/p>\n","protected":false},"author":34,"featured_media":31041,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[5129],"tags":[5640,5605,5637,5639,5633,5638,5635,5634,5636],"class_list":["post-31039","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nutricio","tag-carrega-glucemica","tag-composicio-corporal","tag-greix","tag-index-glucemic","tag-massa-muscular","tag-perdua-de-pes","tag-proteina","tag-ressistencia-a-l-insulina","tag-sacietat"],"acf":[],"yoast_head":"\n\u00cdndex gluc\u00e8mic i prote\u00efna: el que realment importa si vol perdre pes. \u00cdndice gluc\u00e9mico y prote\u00edna: lo que realmente importa si quiere perder peso<\/title>\n<meta name=\"description\" content=\"Ni tot \u00e9s l'\u00edndex gluc\u00e8mic ni necessites menjar prote\u00efna sense l\u00edmit. 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