{"format":"barcodepedia.product.v2","key":"05000159519328","url":"/product/5000159519328/mars-duo-78-8-g","version":{"number":2,"recorded_at":"2026-09-25T19:22:15.870Z","author_type":"user_bot","bot_pass":null,"change_note":"Open Food Facts photos requested with the result"},"product":{"schemaVersion":2,"identity":{"gtin":"05000159519328","name":"Mars Duo 78.8 g","brand":"brand/mars","family":"family/mars-bar","summary":"French-market two-bar Mars Duo, 2 x 39.4 g, imported by Mars Wrigley Confectionery at Haguenau with a French-only label.","category":"category/10000045","net_content":{"unit":"g","value":78.8},"pack_format":"two-bar wrapper","piece_count":2,"pack_quantity":2,"country_of_sale":["FR"],"default_observation":"fr-2021"},"selectedId":"__legacy","observations":[{"id":"fr-2021","label":"French wrapper with the Mars Wrigley Confectionery importer block","kind":"label","market":["FR"],"language":"fr","validFrom":null,"validUntil":null,"observed":"2021-10-04","status":"supported","source":"^off-ing-fr","note":"Transcribed from the 3208 x 428 px side-panel photograph uploaded 2021-10-04; the front photograph of the same day reads \"= 39.4 g\", \"742 kJ 177 kcal 9%\" and \"100 g: 1882 kJ / 448 kcal\". 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\"Mars Duo 78,8 g\", \"mars duo\" and 5000159519328 (the store's own search answered with a bot challenge, so the searches ran through a web search restricted to amazon.fr): the only Duo listings are the lots of 6 (B013P4YLBG) and 3 (B013P4YIVO) of 78.8 g bars, both \"Actuellement indisponible\" and both giving Great Britain as the country on the label, so neither is this French single pack."},{"domain":"identity","state":"unknown","detail":"Whether Mars still makes this French article is unsettled: no maker range page or French grocer listing carrying this GTIN was found on 2026-09-25, and the latest photograph is from November 2021."},{"domain":"identity","state":"unknown","detail":"The photographed panels print no country of origin, so country_of_origin is left empty."},{"domain":"evidence","state":"stale","detail":"Evidence was observed over a year ago; check for newer labels. Historical evidence remains valid.","observation":"fr-2021"},{"domain":"evidence","state":"stale","detail":"Evidence was observed over a year ago; check for newer labels. Historical evidence remains valid.","observation":"fr-2019"},{"domain":"schema","state":"schema_gap","detail":"Review and assign legacy facts to coherent observations.","observation":"__legacy"},{"domain":"ingredients","state":"not_researched","detail":"Ingredient statement or sourced exemption not recorded.","observation":"fr-2019"},{"domain":"nutrition","state":"not_researched","detail":"Nutrition declaration or exemption not recorded.","observation":"fr-2019"},{"domain":"ingredients","state":"not_researched","detail":"Ingredient statement or sourced exemption not recorded.","observation":"__legacy"},{"domain":"nutrition","state":"not_researched","detail":"Nutrition declaration or exemption not recorded.","observation":"__legacy"}],"observations":[{"id":"fr-2021","label":"French wrapper with the Mars Wrigley Confectionery importer block","supportedValues":16,"declaredValues":16,"sourceLinked":16,"stale":true},{"id":"fr-2019","label":"Earlier French wrapper with the Mars Chocolat 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Haguenau, with the French consumer number 0969 320 680, above a French-only ingredient statement.[^off-ing-fr] Its table declares 1882 kJ / 448 kcal per 100 g and 742 kJ / 177 kcal per bar.[^off-nut] An earlier wrapper printed the same address under the importer's former name, Mars Chocolat France.[^off-2019]\n\nThe Duo is the two-bar pack that replaced the 84 g king-size Mars bar in Britain; the bar itself was first made by Forrest Mars Sr. in Slough in 1932 and is sold worldwide except in the United States.[^wp-mars] The barcode's company prefix belongs to the group's French confectionery company: GS1's list of GDSN member companies carries GLN 5000159000000 against MARS CHOCOLAT FRANCE.[^gs1-gdsn] Amazon.fr lists the Duo only in lots of three and six bars labelled for Great 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soja)"},{"id":"fr-15","from":null,"kind":"label","note":null,"role":null,"basis":null,"state":"known","until":null,"market":null,"source":"^off-ing-fr","percent":null,"position":15,"parent_id":null,"ingredient":"ingredient/salt","observation":"fr-2021","printed_name":"sel"},{"id":"fr-16","from":null,"kind":"label","note":null,"role":null,"basis":null,"state":"known","until":null,"market":null,"source":"^off-ing-fr","percent":null,"position":16,"parent_id":null,"ingredient":"ingredient/egg-white-powder","observation":"fr-2021","printed_name":"blanc d'oeuf en poudre"},{"id":"fr-17","from":null,"kind":"label","note":null,"role":null,"basis":null,"state":"known","until":null,"market":null,"source":"^off-ing-fr","percent":null,"position":17,"parent_id":null,"ingredient":"ingredient/milk-protein","observation":"fr-2021","printed_name":"protéine de lait"},{"id":"fr-18","from":null,"kind":"label","note":null,"role":null,"basis":null,"state":"known","until":null,"market":null,"source":"^off-ing-fr","percent":null,"position":18,"parent_id":null,"ingredient":"ingredient/vanilla-extract","observation":"fr-2021","printed_name":"extrait naturel de vanille"}],"observations":[{"id":"fr-2021","kind":"label","note":"Transcribed from the 3208 x 428 px side-panel photograph uploaded 2021-10-04; the front photograph of the same day reads \"= 39.4 g\", \"742 kJ 177 kcal 9%\" and \"100 g: 1882 kJ / 448 kcal\". The Open Food Facts typed record carries the same list with the typing slips \"lactese\" and \"blanc doeuf\". The nutrition table was read from two photographs of 2020 whose figures match this front.","label":"French wrapper with the Mars Wrigley Confectionery importer block","market":["FR"],"source":"^off-ing-fr","status":"supported","language":"fr","observed":"2021-10-04","valid_from":null,"net_content":{"unit":"g","value":78.8},"pack_format":"two-bar wrapper","piece_count":2,"valid_until":null,"model_number":null,"pack_quantity":2,"ingredients_text":"Chocolat au lait fourré de confiserie (32%) et caramel (27%). Ingrédients: sucre, sirop de glucose, lait écrémé en poudre, beurre de cacao, pâte de cacao, huile de tournesol, matière grasse du lait, lactose et protéines de petit lait, petit-lait en poudre, matière grasse de palme, cacao maigre, extrait de malt d'orge, émulsifiant (lécithine de soja), sel, blanc d'oeuf en poudre, protéine de lait, extrait naturel de vanille. (Peut contenir: cacahuète, noisette). Le chocolat au lait contient des matières grasses végétales en plus du beurre de cacao.","ingredients_declaration":"listed","ingredients_exempt_basis":null},{"id":"fr-2019","kind":"label","note":"A dim 2048 x 337 px photograph uploaded 2019-02-22 shows the same Haguenau address under the name Mars Chocolat France, with \"Service Consommateurs N°CRISTAL 0969 320 680 (appel non surtaxé)\". The statement below it is too blurred to transcribe word by word; its legible parts (confiserie (32%) et caramel (27%), sucre, sirop de glucose, lait écrémé en poudre, beurre de cacao, pâte de cacao) follow the 2021 order.","label":"Earlier French wrapper with the Mars Chocolat France importer block","market":["FR"],"source":"^off-2019","status":"unconfirmed","language":"fr","observed":"2019-02-22","valid_from":null,"net_content":{"unit":"g","value":78.8},"pack_format":"two-bar wrapper","piece_count":2,"valid_until":null,"model_number":null,"pack_quantity":2,"ingredients_text":null,"ingredients_declaration":"listed","ingredients_exempt_basis":null}],"research_gaps":[{"state":"unknown","detail":"Searched amazon.fr on 2026-09-25 for \"Mars Duo 78,8 g\", \"mars duo\" and 5000159519328 (the store's own search answered with a bot challenge, so the searches ran through a web search restricted to amazon.fr): the only Duo listings are the lots of 6 (B013P4YLBG) and 3 (B013P4YIVO) of 78.8 g bars, both \"Actuellement indisponible\" and both giving Great Britain as the country on the label, so neither is this French single pack.","domain":"markets","source":"^amazon-fr-6","observation":null},{"state":"unknown","detail":"Whether Mars still makes this French article is unsettled: no maker range page or French grocer listing carrying this GTIN was found on 2026-09-25, and the latest photograph is from November 2021.","domain":"identity","source":"^off","observation":null},{"state":"unknown","detail":"The photographed panels print no country of origin, so country_of_origin is left empty.","domain":"identity","source":"^off-ing-fr","observation":null}],"nutrition_panels":[{"id":"fr-100g","note":"Read from the 2048 x 1200 px photograph uploaded 2020-07-14 and checked against the 1485 x 1200 px one of 2020-08-01.","basis":{"unit":"g","value":100},"label":"Information nutritionnelle / 100g","source":"^off-nut","basis_note":null,"basis_state":"as_sold","declaration":"transcribed","observation":"fr-2021","exempt_basis":null},{"id":"fr-39g","note":"The percentages are of the reference intake of an average adult (8 400 kJ / 2 000 kcal).","basis":{"unit":"g","value":39.4},"label":"Information nutritionnelle / 39.4g (one bar)","source":"^off-nut","basis_note":"printed serving column; \"Portions par paquet: 2, Taille de la portion: 39.4g\"","basis_state":"as_sold","declaration":"transcribed","observation":"fr-2021","exempt_basis":null}],"nutrition_values":[{"note":"The Open Food Facts typed record gives 1875.1 kJ, computed from 448 kcal; the label prints 1882.","panel":"fr-100g","state":"known","value":1882,"method":"printed","source":"^off-nut","nutrient":"energy_kj","qualifier":"exact","value_max":null,"dv_percent":null,"printed_value":"1882kJ"},{"note":null,"panel":"fr-100g","state":"known","value":448,"method":"printed","source":"^off-nut","nutrient":"energy_kcal","qualifier":"exact","value_max":null,"dv_percent":null,"printed_value":"448kcal"},{"note":null,"panel":"fr-100g","state":"known","value":17,"method":"printed","source":"^off-nut","nutrient":"fat_g","qualifier":"exact","value_max":null,"dv_percent":null,"printed_value":"17g"},{"note":null,"panel":"fr-100g","state":"known","value":8.1,"method":"printed","source":"^off-nut","nutrient":"saturated_fat_g","qualifier":"exact","value_max":null,"dv_percent":null,"printed_value":"8.1g"},{"note":null,"panel":"fr-100g","state":"known","value":69,"method":"printed","source":"^off-nut","nutrient":"carbohydrate_g","qualifier":"exact","value_max":null,"dv_percent":null,"printed_value":"69g"},{"note":null,"panel":"fr-100g","state":"known","value":60,"method":"printed","source":"^off-nut","nutrient":"sugars_g","qualifier":"exact","value_max":null,"dv_percent":null,"printed_value":"60g"},{"note":null,"panel":"fr-100g","state":"known","value":4.3,"method":"printed","source":"^off-nut","nutrient":"protein_g","qualifier":"exact","value_max":null,"dv_percent":null,"printed_value":"4.3g"},{"note":null,"panel":"fr-100g","state":"known","value":0.42,"method":"printed","source":"^off-nut","nutrient":"salt_g","qualifier":"exact","value_max":null,"dv_percent":null,"printed_value":"0.42g"},{"note":null,"panel":"fr-39g","state":"known","value":742,"method":"printed","source":"^off-nut","nutrient":"energy_kj","qualifier":"exact","value_max":null,"dv_percent":9,"printed_value":"742kJ (9%)"},{"note":null,"panel":"fr-39g","state":"known","value":177,"method":"printed","source":"^off-nut","nutrient":"energy_kcal","qualifier":"exact","value_max":null,"dv_percent":9,"printed_value":"177kcal (9%)"},{"note":null,"panel":"fr-39g","state":"known","value":6.6,"method":"printed","source":"^off-nut","nutrient":"fat_g","qualifier":"exact","value_max":null,"dv_percent":9,"printed_value":"6.6g (9%)"},{"note":null,"panel":"fr-39g","state":"known","value":3.2,"method":"printed","source":"^off-nut","nutrient":"saturated_fat_g","qualifier":"exact","value_max":null,"dv_percent":16,"printed_value":"3.2g (16%)"},{"note":null,"panel":"fr-39g","state":"known","value":27,"method":"printed","source":"^off-nut","nutrient":"carbohydrate_g","qualifier":"exact","value_max":null,"dv_percent":10,"printed_value":"27g (10%)"},{"note":null,"panel":"fr-39g","state":"known","value":24,"method":"printed","source":"^off-nut","nutrient":"sugars_g","qualifier":"exact","value_max":null,"dv_percent":27,"printed_value":"24g (27%)"},{"note":null,"panel":"fr-39g","state":"known","value":1.7,"method":"printed","source":"^off-nut","nutrient":"protein_g","qualifier":"exact","value_max":null,"dv_percent":3,"printed_value":"1.7g (3%)"},{"note":null,"panel":"fr-39g","state":"known","value":0.17,"method":"printed","source":"^off-nut","nutrient":"salt_g","qualifier":"exact","value_max":null,"dv_percent":3,"printed_value":"0.17g (3%)"}]},"licences":{"database":"ODbL-1.0","text":"CC-BY-SA-4.0","images":"See each image record"}}