une m\u00e9ta-analyse de 8 essais contre placebo<\/a> conclut qu\u2019une prise de guarana rend plus rapide aux tests de r\u00e9action.<\/p>\nInt\u00e9grale D\u00e9tox contient un extrait sec de graine de guarana, dans son complexe Br\u00fble-graisse & Contr\u00f4le du poids, avec du th\u00e9 vert, du mat\u00e9, du gingembre et de la papaye.<\/p>\n","protected":false},"excerpt":{"rendered":"
Liane d\u2019Amazonie de la famille des sapindac\u00e9es, dont les graines sont riches en caf\u00e9ine.<\/p>\n","protected":false},"featured_media":2760,"template":"","meta":{"_bw_latin":"Paullinia cupana","_bw_synonyms":"","_bw_brand":"","_bw_precautions":"Le guarana apporte de la caf\u00e9ine : comptez-la avec le caf\u00e9, le th\u00e9 et les boissons \u00e9nergisantes. Pour un adulte en bonne sant\u00e9, l\u2019EFSA ne voit pas de risque jusqu\u2019\u00e0 200 mg de caf\u00e9ine en une prise et 400 mg par jour.","_bw_subtitle":"","_bw_studies_intro":"
Chez 28 jeunes adultes, une dose unique de 75 mg d\u2019extrait de guarana (environ 9 mg de caf\u00e9ine) a donn\u00e9 de meilleurs r\u00e9sultats aux tests d\u2019attention au cours de la journ\u00e9e que le placebo (Kennedy et al., 2004<\/a>). Dans une m\u00e9ta-analyse de 8 essais contre placebo (328 participants), une prise unique de guarana a rendu les r\u00e9ponses aux tests cognitifs plus rapides (Hack et al., 2023<\/a>).<\/p>","_bw_mention":"","_bw_studies":[{"resultat":"Par rapport au placebo, les tests d\u2019attention ont \u00e9t\u00e9 mieux r\u00e9ussis au cours de la journ\u00e9e, ainsi qu\u2019un test de v\u00e9rification de phrases et des soustractions en s\u00e9rie.","type":"essai","population":"28 jeunes adultes de 18 \u00e0 24 ans en bonne sant\u00e9","dose":"75 mg d\u2019extrait sec de guarana (environ 9 mg de caf\u00e9ine), dose unique","duree":"une prise, tests sur 6 heures","auteurs":"Kennedy et al.","annee":"2004","revue":"Pharmacology Biochemistry and Behavior","lien":"https:\/\/doi.org\/10.1016\/j.pbb.2004.07.014","source":"publication","note":"R\u00e9sum\u00e9 PubMed 15582012 lu. Essai crois\u00e9 ; les auteurs jugent l\u2019effet peu attribuable \u00e0 la faible dose de caf\u00e9ine."},{"resultat":"Pris en une fois, le guarana a rendu les r\u00e9ponses plus rapides aux tests cognitifs.","type":"revue","population":"8 essais contre placebo, 328 participants","dose":"37,5 \u00e0 500 mg de guarana (4,3 \u00e0 100 mg de caf\u00e9ine)","duree":"prises uniques","auteurs":"Hack et al.","annee":"2023","revue":"Nutrients","lien":"https:\/\/doi.org\/10.3390\/nu15020434","source":"publication","note":"R\u00e9sum\u00e9 PubMed 36678305 lu. M\u00e9ta-analyse des effets aigus seulement."}],"_bw_documents":[],"_bw_claims":["Guarana contribue \u00e0 la vigilance et \u00e0 la r\u00e9duction de la fatigue mentale","Le guarana aide \u00e0 maintenir la vitalit\u00e9 physique et mentale","Utilis\u00e9 traditionnellement pour aider \u00e0 contr\u00f4ler le poids","Favorise le confort digestif"],"_bw_logo":0,"_bw_logo_dark":false},"class_list":["post-608","bw_ingredient","type-bw_ingredient","status-publish","has-post-thumbnail","hentry"],"yoast_head":"\nGuarana - Journal Purvival<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/purvival.com\/journal\/ingredients\/guarana\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Guarana - Journal Purvival\" \/>\n<meta property=\"og:description\" content=\"Liane d\u2019Amazonie de la famille des sapindac\u00e9es, dont les graines sont riches en caf\u00e9ine.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/purvival.com\/journal\/ingredients\/guarana\/\" \/>\n<meta property=\"og:site_name\" content=\"Journal Purvival\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-25T21:28:21+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/purvival.com\/journal\/wp-content\/uploads\/sites\/5\/2026\/10\/guarana.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1600\" \/>\n\t<meta property=\"og:image:height\" content=\"895\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/purvival.com\\\/journal\\\/ingredients\\\/guarana\\\/\",\"url\":\"https:\\\/\\\/purvival.com\\\/journal\\\/ingredients\\\/guarana\\\/\",\"name\":\"Guarana - 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