{"id":8020,"date":"2026-01-11T08:51:32","date_gmt":"2026-01-11T06:51:32","guid":{"rendered":"https:\/\/stokas.lt\/?p=8020"},"modified":"2026-05-05T16:27:48","modified_gmt":"2026-05-05T13:27:48","slug":"kas-yra-mitochondrijos-ir-kokios-ju-funkcijos","status":"publish","type":"post","link":"https:\/\/stokas.lt\/en\/2026\/01\/11\/kas-yra-mitochondrijos-ir-kokios-ju-funkcijos\/","title":{"rendered":"What are mitochondria and what are their functions?"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Mitochondria are the \u201eenergy factories\u201c of every cell, producing ATP (adenosine triphosphate) \u2013 the body\u2019s main fuel, without which neither muscles, nor the nervous system, nor the immune system would function smoothly. When their activity slows down, we often feel it very simply: less strength, slower recovery, \u201efoggy\u201c mind and fatigue, even if it seems like you are sleeping and eating well.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Unfortunately, the modern pace of life is not kind to mitochondria. Chronic stress, lack of sleep, and too little natural daylight can weaken their efficiency, which eventually leads to the feeling that the body is constantly working in \u201esaving mode\u201c. Most often, we do not associate this with mitochondrial function, but this is often the answer to why we sometimes feel \u201edischarged\u201c for no apparent reason.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In this article, we\u2019ll explain exactly what mitochondria do, why they\u2019re so important to your daily energy levels, and how their health can affect your well-being. We\u2019ll also discuss the habits and environmental factors that most affect cellular energy production\u2014so you can understand where to start if you want more vitality and better recovery.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">What are mitochondria?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Mitochondria are tiny structures in our cells that \u201emake\u201c energy from what we eat and the oxygen we breathe in. Simply put, they convert nutrients into ATP (adenosine triphosphate), a form of energy that cells immediately use for movement, thinking, tissue repair, and other vital functions. For this reason, mitochondria are often called the \u201epowerhouses\u201c of the cell.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Key facts:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Mitochondria are present in almost all of our cells (with a few exceptions, such as mature red blood cells);<\/li>\n\n\n\n<li>Mitochondria use oxygen and nutrients to produce energy;<\/li>\n\n\n\n<li>Mitochondria produce ATP, the \u201efast fuel\u201c that cells use right here and now.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">If we were to use an analogy, a cell is a city, and mitochondria are the power plants that supply energy to all the activities of the \u201ecity.\u201c When mitochondria are working smoothly, the cell has enough resources to perform daily tasks, and the body can more easily maintain endurance and recovery. When their activity weakens, the body can get tired more quickly, recover more slowly from exertion, and some processes (such as tissue regeneration or concentration) may not be as efficient.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">What is the function of mitochondria?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The main function of mitochondria is to produce energy for cells. This energy is packaged into a molecule called ATP (adenosine triphosphate). ATP is what your muscles use to move, what your brain uses to think, and what every cell needs to do its job.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>In short: without ATP, the body has nothing to &quot;live on&quot; - strength decreases, recovery slows down, and concentration deteriorates.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">How do mitochondria produce ATP (usually)?<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Absorbs &quot;raw materials&quot; for energy;<\/strong> They use glucose (sugar from food) and oxygen;<\/li>\n\n\n\n<li><strong>Converts them into energy during cellular respiration;<\/strong> During biochemical processes, ATP is produced - a quickly usable &quot;fuel&quot;;<\/li>\n\n\n\n<li><strong>Provides the cell with energy for daily tasks;<\/strong> ATP is needed for muscle contraction, nerve signals, metabolism, and tissue &quot;repair&quot;.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">When mitochondria are working efficiently, the body feels \u201echarged\u201c more often: it\u2019s easier to keep up the pace, you recover faster from exertion, and your mind is clearer. When their work weakens, the body can go into a saving mode \u2013 and this is reflected in how you feel.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">What do mitochondria do besides producing energy?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Although ATP production is the most important, mitochondria also perform several &quot;invisible&quot; but critically important functions:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Regulates the cell life cycle<\/strong>: helps the cell &quot;decide&quot; when to activate the natural program to remove damaged or old cells;<\/li>\n\n\n\n<li><strong>Participates in the synthesis of some molecules<\/strong>: mitochondria act as important links in the production processes of certain hormones and proteins;<\/li>\n\n\n\n<li><strong>Manages calcium balance<\/strong>: stores and releases calcium, which is necessary for muscle contraction and transmission of nerve impulses.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading has-text-align-center\"><strong>What are the most important functions of mitochondria?<\/strong><\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Function<\/th><th>What does this mean in general?<\/th><th>What does that mean for a person?<\/th><\/tr><\/thead><tbody><tr><td>ATP production<\/td><td>Produces energy for the cell<\/td><td>Movement, thinking, recovery<\/td><\/tr><tr><td>Cellular &quot;quality control&quot;\u201e<\/td><td>Helps maintain order and eliminate what no longer works<\/td><td>Healthier tissue regeneration<\/td><\/tr><tr><td>Calcium (Ca\u00b2\u207a) regulation<\/td><td>Helps control signals within the cell<\/td><td>Important for muscles and nerves<\/td><\/tr><tr><td>Participation in the synthesis of some substances<\/td><td>Involved in the production processes of certain molecules<\/td><td>Contributes to the regulation of the body<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In short, mitochondria are more than just an \u201eenergy station\u201c\u2014they act as the center of the cell\u2019s efficiency, repair, and stability. Every breath you take and every bite you eat becomes meaningful through their work.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">How does red light affect mitochondria?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Mitochondria don&#039;t just respond to nutrients and oxygen - they can also respond to <strong>light of a certain wavelength<\/strong>, especially <strong>red<\/strong> and <strong>near infrared<\/strong>. This phenomenon is usually explained by the fact that light interacts with <strong>cytochrome c oxidase<\/strong> (an enzyme important in the mitochondrial respiratory chain), so electron transport can occur more efficiently, and <strong>ATP production \u2013 intensify<\/strong>. This mechanism is described in detail in <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC5523874\/.\" target=\"_blank\" rel=\"noopener\" title=\"\"><em>National Institutes of Health<\/em><\/a> in a published article about the principles of low-intensity light therapy.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">So,<strong> Red light therapy (photobiomodulation) can &quot;push&quot; mitochondria to work more efficiently, which is why for some people it is associated with better recovery and a sense of energy.<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The target is often named <strong>cytochrome c oxidase<\/strong> in mitochondria;<\/li>\n\n\n\n<li>A more active respiratory chain may mean <strong>more ATP<\/strong> (it is easier for cells to do their work);<\/li>\n\n\n\n<li>The literature also discusses additional mechanisms, e.g., <strong>NO (nitric oxide) alarm<\/strong> and effects on blood circulation.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">As a result, in recent years, red light therapy has become relevant not only for athletes or biohackers, but also for people who are looking for <strong>non-invasive<\/strong> ways to maintain well-being, energy and recovery in everyday life. If you are looking for a reliable solution in Lithuania, it is worth checking out <em><a href=\"https:\/\/stokas.lt\/en\/product-category\/led-sviesos-terapijos-paneles\/\" target=\"_blank\" rel=\"noopener\" title=\"LED light therapy panels\">stokas.lt<\/a><\/em> offered light therapy devices \u2013 focused on safe and scientifically based solutions.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">We recommend<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">If you are considering purchasing an LED panel, we recommend that you familiarize yourself with our selected brands, which are valued in Europe. There you will also find relevant <strong>discount coupons (5\u201320 %)<\/strong> \u2013 <a href=\"https:\/\/stokas.lt\/en\/rekomenduojame\/\">https:\/\/stokas.lt\/rekomenduojame\/<\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">FAQ<\/h2>\n\n\n<style>.kt-accordion-id8020_997d93-85 .kt-accordion-inner-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:8px;}.kt-accordion-id8020_997d93-85 .kt-accordion-panel-inner{padding-top:var(--global-kb-spacing-sm, 1.5rem);padding-right:var(--global-kb-spacing-sm, 1.5rem);padding-bottom:var(--global-kb-spacing-sm, 1.5rem);padding-left:var(--global-kb-spacing-sm, 1.5rem);}.kt-accordion-id8020_997d93-85 > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header{padding-top:var(--global-kb-spacing-xxs, 0.5rem);padding-right:var(--global-kb-spacing-xs, 1rem);padding-bottom:var(--global-kb-spacing-xxs, 0.5rem);padding-left:var(--global-kb-spacing-xs, 1rem);}@media all and (max-width: 767px){.kt-accordion-id8020_997d93-85 .kt-accordion-inner-wrap{display:block;}.kt-accordion-id8020_997d93-85 .kt-accordion-inner-wrap .kt-accordion-pane:not(:first-child){margin-top:8px;}}<\/style>\n<div class=\"wp-block-kadence-accordion alignnone\"><div class=\"kt-accordion-wrap kt-accordion-id8020_997d93-85 kt-accordion-has-6-panes kt-active-pane-0 kt-accordion-block kt-pane-header-alignment-left kt-accodion-icon-style-basic kt-accodion-icon-side-right\" style=\"max-width:none\"><div class=\"kt-accordion-inner-wrap\" data-allow-multiple-open=\"false\" data-start-open=\"0\">\n<div class=\"wp-block-kadence-pane kt-accordion-pane kt-accordion-pane-1 kt-pane8020_0cc84a-cc\"><div class=\"kt-accordion-header-wrap\"><button class=\"kt-blocks-accordion-header kt-acccordion-button-label-show\" type=\"button\"><span class=\"kt-blocks-accordion-title-wrap\"><span class=\"kt-blocks-accordion-title\"><strong>What are mitochondria and why are they called the &quot;powerhouses&quot; of the cell?<\/strong><\/span><\/span><span class=\"kt-blocks-accordion-icon-trigger\"><\/span><\/button><\/div><div class=\"kt-accordion-panel kt-accordion-panel-hidden\"><div class=\"kt-accordion-panel-inner\">\n<p class=\"wp-block-paragraph\">Mitochondria are structures in the cell that produce energy from food and oxygen. They are called the &quot;powerhouses&quot; because they produce a lot of ATP, the energy that the cell uses to do work.<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-kadence-pane kt-accordion-pane kt-accordion-pane-2 kt-pane8020_9710c9-a8\"><div class=\"kt-accordion-header-wrap\"><button class=\"kt-blocks-accordion-header kt-acccordion-button-label-show\" type=\"button\"><span class=\"kt-blocks-accordion-title-wrap\"><span class=\"kt-blocks-accordion-title\"><strong>What is ATP and why is it needed by the body?<\/strong><\/span><\/span><span class=\"kt-blocks-accordion-icon-trigger\"><\/span><\/button><\/div><div class=\"kt-accordion-panel kt-accordion-panel-hidden\"><div class=\"kt-accordion-panel-inner\">\n<p class=\"wp-block-paragraph\">ATP (adenosine triphosphate) is the basic \u201eunit\u201c of cellular energy. It is needed for muscle contractions, brain function, the transport of substances through cells, and tissue regeneration.<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-kadence-pane kt-accordion-pane kt-accordion-pane-3 kt-pane8020_399fbd-58\"><div class=\"kt-accordion-header-wrap\"><button class=\"kt-blocks-accordion-header kt-acccordion-button-label-show\" type=\"button\"><span class=\"kt-blocks-accordion-title-wrap\"><span class=\"kt-blocks-accordion-title\"><strong>How do mitochondria convert food into energy?<\/strong><\/span><\/span><span class=\"kt-blocks-accordion-icon-trigger\"><\/span><\/button><\/div><div class=\"kt-accordion-panel kt-accordion-panel-hidden\"><div class=\"kt-accordion-panel-inner\">\n<p class=\"wp-block-paragraph\">They use nutrients (e.g. glucose) and oxygen to produce ATP during cellular respiration. In simple terms: food + oxygen \u2192 mitochondria \u2192 ATP.<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-kadence-pane kt-accordion-pane kt-accordion-pane-4 kt-pane8020_111959-b8\"><div class=\"kt-accordion-header-wrap\"><button class=\"kt-blocks-accordion-header kt-acccordion-button-label-show\" type=\"button\"><span class=\"kt-blocks-accordion-title-wrap\"><span class=\"kt-blocks-accordion-title\"><strong>Do mitochondria perform functions other than energy production?<\/strong><\/span><\/span><span class=\"kt-blocks-accordion-icon-trigger\"><\/span><\/button><\/div><div class=\"kt-accordion-panel kt-accordion-panel-hidden\"><div class=\"kt-accordion-panel-inner\">\n<p class=\"wp-block-paragraph\">Yes. They contribute to the &quot;quality control&quot; of the cell, are involved in the control of calcium (Ca\u00b2\u207a) signals, and in some tissues are involved in the processes of certain substances (e.g., the initiation of steroid hormone synthesis).<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-kadence-pane kt-accordion-pane kt-accordion-pane-5 kt-pane8020_0e59b0-78\"><div class=\"kt-accordion-header-wrap\"><button class=\"kt-blocks-accordion-header kt-acccordion-button-label-show\" type=\"button\"><span class=\"kt-blocks-accordion-title-wrap\"><span class=\"kt-blocks-accordion-title\"><strong>What most often weakens mitochondrial function in everyday life?<\/strong><\/span><\/span><span class=\"kt-blocks-accordion-icon-trigger\"><\/span><\/button><\/div><div class=\"kt-accordion-panel kt-accordion-panel-hidden\"><div class=\"kt-accordion-panel-inner\">\n<p class=\"wp-block-paragraph\">The most common negative effects are lack of sleep, chronic stress, too little exercise or too much exertion without rest, as well as an unbalanced diet and poor recovery.<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-kadence-pane kt-accordion-pane kt-accordion-pane-6 kt-pane8020_c3c2e1-ba\"><div class=\"kt-accordion-header-wrap\"><button class=\"kt-blocks-accordion-header kt-acccordion-button-label-show\" type=\"button\"><span class=\"kt-blocks-accordion-title-wrap\"><span class=\"kt-blocks-accordion-title\"><strong>Is it possible to &quot;improve&quot; the functioning of mitochondria?<\/strong><\/span><\/span><span class=\"kt-blocks-accordion-icon-trigger\"><\/span><\/button><\/div><div class=\"kt-accordion-panel kt-accordion-panel-hidden\"><div class=\"kt-accordion-panel-inner\">\n<p class=\"wp-block-paragraph\">The basics are usually the best: regular sleep, sensible physical activity, a balanced diet, and adequate recovery. This creates the best conditions for mitochondria to work efficiently.<\/p>\n<\/div><\/div><\/div>\n<\/div><\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusions<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Mitochondria are the \u201epowerhouses\u201c of the cell, which use nutrients and oxygen to produce ATP, the main source of energy for movement, thought, and tissue repair. When their activity slows down, it often manifests itself in very human ways: reduced endurance, slower recovery, foggy minds, and fatigue. Mitochondria have also been shown to respond to specific wavelengths of light: red and near-infrared light have been linked to more efficient respiratory chain activity and increased ATP production. If you\u2019re looking for a practical, non-invasive way to support mitochondrial function, consider the scientifically proven light therapy panels offered by <em><a href=\"https:\/\/stokas.lt\/en\/product-category\/led-sviesos-terapijos-paneles\/\" target=\"_blank\" rel=\"noopener\" title=\"LED light therapy panels\">stokas.lt<\/a><\/em>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Mitochondria are the \"energy factories\" of each cell, producing ATP (adenosine triphosphate) - the body's main fuel, without which muscles would not function smoothly,...<\/p>","protected":false},"author":1,"featured_media":8023,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-8020","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/stokas.lt\/en\/wp-json\/wp\/v2\/posts\/8020","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/stokas.lt\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/stokas.lt\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/stokas.lt\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/stokas.lt\/en\/wp-json\/wp\/v2\/comments?post=8020"}],"version-history":[{"count":2,"href":"https:\/\/stokas.lt\/en\/wp-json\/wp\/v2\/posts\/8020\/revisions"}],"predecessor-version":[{"id":9066,"href":"https:\/\/stokas.lt\/en\/wp-json\/wp\/v2\/posts\/8020\/revisions\/9066"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/stokas.lt\/en\/wp-json\/wp\/v2\/media\/8023"}],"wp:attachment":[{"href":"https:\/\/stokas.lt\/en\/wp-json\/wp\/v2\/media?parent=8020"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/stokas.lt\/en\/wp-json\/wp\/v2\/categories?post=8020"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/stokas.lt\/en\/wp-json\/wp\/v2\/tags?post=8020"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}