{"id":35434,"date":"2020-06-26T12:01:46","date_gmt":"2020-06-26T10:01:46","guid":{"rendered":"https:\/\/getindya.com\/?p=35434"},"modified":"2026-11-03T16:26:10","modified_gmt":"2026-11-03T15:26:10","slug":"fuel-utilisation-test","status":"publish","type":"post","link":"https:\/\/getindya.com\/en\/fuel-utilisation-test\/","title":{"rendered":"Fuel utilisation test"},"content":{"rendered":"<p><span style=\"font-weight: 400\">The <strong>fuel utilisation test<\/strong> provides a <\/span><span style=\"font-weight: 400\">detailed estimate<\/span><span style=\"font-weight: 400\"> of carbohydrate derived from <\/span><span style=\"font-weight: 400\">glycogen<\/span><span style=\"font-weight: 400\"> and other glucose sources, plus fat use <\/span><span style=\"font-weight: 400\">during exercise<\/span><span style=\"font-weight: 400\">. Gas-exchange testing does not directly measure protein oxidation or identify the exact origin of every fuel molecule.<\/span><\/p>\n<p><span style=\"font-weight: 400\">More data, better decisions. \u201cNo glycogen is used in Z1.\u201d \u201cNo fat is used in Z5.\u201d Are you sure? Fuel use is more nuanced.<\/span><\/p>\n<p style=\"text-align: center\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-20389  alignleft\" title=\"Fuel utilisation - INDYA - Sports Nutrition\" src=\"https:\/\/getindya.com\/wp-content\/uploads\/Test-de-sustratos-2-IND-239x300.webp\" alt=\"fuel utilisation test - INDYA\" width=\"576\" height=\"723\" srcset=\"https:\/\/getindya.com\/wp-content\/uploads\/Test-de-sustratos-2-IND-239x300.webp 239w, https:\/\/getindya.com\/wp-content\/uploads\/Test-de-sustratos-2-IND-768x962.webp 768w, https:\/\/getindya.com\/wp-content\/uploads\/Test-de-sustratos-2-IND.webp 798w\" sizes=\"auto, (max-width: 576px) 100vw, 576px\" \/><\/p>\n<p><span style=\"font-weight: 400\">This assessment helps <strong>estimate<\/strong><\/span> <span style=\"font-weight: 400\"><strong>energy and nutrient needs during training<\/strong> or competition.<\/span><\/p>\n<p><span style=\"font-weight: 400\">What should you eat beforehand, afterwards or at aid stations? Which supplements, if any, are useful?<\/span><\/p>\n<p><span style=\"font-weight: 400\">Understanding how your body uses each <\/span><span style=\"font-weight: 400\">energy<\/span><span style=\"font-weight: 400\"> system <strong>helps plan the fuels you may need at different intensities<\/strong>, personalising nutrition to support performance.<\/span><\/p>\n<p><span style=\"font-weight: 400\">For the test, we use a <a href=\"https:\/\/cortex-medical.com\/EN\/METALYZER-3B-en.htm?gclid=CjwKCAjwltH3BRB6EiwAhj0IUNrBR-BAVDuObgJ1HTAAHwFyETPOpz3r6Tq01a4UtsP1WLMMdsAr_xoCOCkQAvD_BwE\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #32cacc\">Cortex Metalyzer 3B<\/span><\/a> to assess respiratory gas exchange. Other measurements, such as heart rate, blood lactate, glucose and blood pressure, require suitable additional devices or sampling; not all are measured directly by the gas analyser.<\/span><\/p>\n<p><span style=\"font-weight: 400\">After warming up, the athlete completes an incremental test with stages at different intensities.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Your <a href=\"https:\/\/getindya.com\/\">sports nutritionist<\/a> uses these estimates alongside other information to help prepare for competition.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Understand your exercise fuel use to help plan nutrition for different training demands.<\/p>\n","protected":false},"author":5,"featured_media":20388,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"rop_custom_images_group":[],"rop_custom_messages_group":[],"rop_publish_now":"initial","rop_publish_now_accounts":[],"rop_publish_now_history":[],"rop_publish_now_status":"pending","footnotes":""},"categories":[220],"tags":[],"class_list":["post-35434","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technology"],"acf":[],"_links":{"self":[{"href":"https:\/\/getindya.com\/en\/wp-json\/wp\/v2\/posts\/35434","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/getindya.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/getindya.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/getindya.com\/en\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/getindya.com\/en\/wp-json\/wp\/v2\/comments?post=35434"}],"version-history":[{"count":1,"href":"https:\/\/getindya.com\/en\/wp-json\/wp\/v2\/posts\/35434\/revisions"}],"predecessor-version":[{"id":35435,"href":"https:\/\/getindya.com\/en\/wp-json\/wp\/v2\/posts\/35434\/revisions\/35435"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/getindya.com\/en\/wp-json\/wp\/v2\/media\/20388"}],"wp:attachment":[{"href":"https:\/\/getindya.com\/en\/wp-json\/wp\/v2\/media?parent=35434"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/getindya.com\/en\/wp-json\/wp\/v2\/categories?post=35434"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/getindya.com\/en\/wp-json\/wp\/v2\/tags?post=35434"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}