{"id":47990,"date":"2025-12-12T14:56:38","date_gmt":"2025-12-12T09:26:38","guid":{"rendered":"https:\/\/nutrabay.com\/magazine\/?p=47990"},"modified":"2026-01-12T17:57:19","modified_gmt":"2026-01-12T12:27:19","slug":"do-citrulline-arginine-improve-blood-flow","status":"publish","type":"post","link":"https:\/\/nutrabay.com\/magazine\/do-citrulline-arginine-improve-blood-flow","title":{"rendered":"Do Citrulline, Arginine &amp; Nitrates Really Improve Blood Flow? The Science Explained!"},"content":{"rendered":"\n<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><h2>Table of Contents<\/h2><nav><div><div><a href=\"#blood-flow-what-it-really-means-in-fitness-everyday-health\">Blood Flow: What It Really Means in Fitness &amp; Everyday Health<\/a><\/div><div><a href=\"#citrulline-the-undisputed-king-of-blood-flow-supplements\">Citrulline: The Undisputed King of Blood Flow Supplements<\/a><div><div><a href=\"#why-citrulline-works-better-than-arginine\">Does Citrulline Works Better?<\/a><\/div><\/div><\/div><div><a href=\"#forms-of-citrulline\">Forms of Citrulline<\/a><\/div><div><a href=\"#evidence-based-benefits-of-citrulline\">Evidence-Based Benefits of Citrulline<\/a><\/div><div><a href=\"#arginine-does-it-still-matter-for-blood-flow\">Arginine: Does It Still Matter for Blood Flow?<\/a><\/div><div><a href=\"#nitrates-the-silent-powerhouse-in-blood-flow-enhancement\">Nitrates: The Silent Powerhouse in Blood Flow Enhancement<\/a><\/div><div><a href=\"#citrulline-vs-arginine-vs-nitrates-which-works-best\">Citrulline vs Arginine vs Nitrates: Which Works Best?<\/a><\/div><div><a href=\"#dosage-safety-who-should-avoid-these-supplements\">Dosage, Safety &amp; Who Should Avoid These Supplements<\/a><\/div><div><a href=\"#final-thoughts\">Final Thoughts<\/a><\/div><div><a href=\"#frequently-asked-questions\">Frequently Asked Questions<\/a><\/div><\/div><\/nav><\/div>\n\n\n\n<p><strong>Do Citrulline, Arginine &amp; Nitrates Really Improve Blood Flow?<\/strong><\/p>\n\n\n\n<p>When you pick up a pre-workout supplement at any gym, the same three ingredients, citrulline, arginine, and nitrates will consistently appear. The &#8220;pump&#8221; category is dominated by these components, which promise increased endurance, stronger exercises, and better blood flow.<br>Do they, however, actually work? Or are they merely catchphrases from the supplement industry combined to create an impressive label?<\/p>\n\n\n\n<p>Most people are unaware of how fascinating and scientific the truth is. Blood flow is closely related to oxygen delivery, nutrient transport, muscular performance, and general cardiovascular health; it&#8217;s not just about getting a pump during exercise.<br>We must first comprehend how nitric oxide functions in order to determine whether citrulline, L-arginine, and nitrates genuinely increase blood flow.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"blood-flow-what-it-really-means-in-fitness-everyday-health\"><strong>Blood Flow: What It Really Means in Fitness &amp; Everyday Health<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"800\" src=\"https:\/\/cdn-magazine.nutrabay.com\/wp-content\/uploads\/2025\/08\/intrigued-curious-goodlooking-brunette-girl-red-sweater-interested-some-promo-asking-question-pointing-down-raise-one-eyebrow-indicating-bottom-advertisement-white-background-1200x800.jpg\" alt=\"Blood Flow: What It Really Means in Fitness &amp; Everyday Health by arginine, citrulline and nitrates\" class=\"wp-image-36920\" srcset=\"https:\/\/cdn-magazine.nutrabay.com\/wp-content\/uploads\/2025\/08\/intrigued-curious-goodlooking-brunette-girl-red-sweater-interested-some-promo-asking-question-pointing-down-raise-one-eyebrow-indicating-bottom-advertisement-white-background-1200x800.jpg 1200w, https:\/\/cdn-magazine.nutrabay.com\/wp-content\/uploads\/2025\/08\/intrigued-curious-goodlooking-brunette-girl-red-sweater-interested-some-promo-asking-question-pointing-down-raise-one-eyebrow-indicating-bottom-advertisement-white-background-600x400.jpg 600w, https:\/\/cdn-magazine.nutrabay.com\/wp-content\/uploads\/2025\/08\/intrigued-curious-goodlooking-brunette-girl-red-sweater-interested-some-promo-asking-question-pointing-down-raise-one-eyebrow-indicating-bottom-advertisement-white-background-768x512.jpg 768w, https:\/\/cdn-magazine.nutrabay.com\/wp-content\/uploads\/2025\/08\/intrigued-curious-goodlooking-brunette-girl-red-sweater-interested-some-promo-asking-question-pointing-down-raise-one-eyebrow-indicating-bottom-advertisement-white-background-1536x1024.jpg 1536w, https:\/\/cdn-magazine.nutrabay.com\/wp-content\/uploads\/2025\/08\/intrigued-curious-goodlooking-brunette-girl-red-sweater-interested-some-promo-asking-question-pointing-down-raise-one-eyebrow-indicating-bottom-advertisement-white-background-2048x1366.jpg 2048w, https:\/\/cdn-magazine.nutrabay.com\/wp-content\/uploads\/2025\/08\/intrigued-curious-goodlooking-brunette-girl-red-sweater-interested-some-promo-asking-question-pointing-down-raise-one-eyebrow-indicating-bottom-advertisement-white-background-150x100.jpg 150w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><figcaption class=\"wp-element-caption\">Source: Freepik<\/figcaption><\/figure>\n\n\n\n<p>Although the term &#8220;blood flow&#8221; may seem general, it actually refers to a highly specific physiological system. Vasodilation is the process by which your body widens the blood vessels whenever it increases blood flow.<\/p>\n\n\n\n<p>Nitric oxide (NO) is the chemical that causes vasodilation. Your blood vessels are instructed by nitric oxide to relax, enlarge, and let more blood flow through. As a result, your muscles may work harder for longer periods of time and receive more oxygen, nutrients (such as glucose, amino acids, and electrolytes), and waste products (like lactic acid).<\/p>\n\n\n\n<p>This explains why supplements aimed at improving blood flow are so popular in the fitness community they help support strength, endurance, and recovery.<\/p>\n\n\n\n<p>But the real question remains: <strong>Which ingredient actually boosts nitric oxide the most, Citrulline, Arginine, or Nitrates?<\/strong> Let\u2019s break them down one by one.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"citrulline-the-undisputed-king-of-blood-flow-supplements\"><strong>Citrulline: The Undisputed King of Blood Flow Supplements<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"800\" src=\"https:\/\/cdn-magazine.nutrabay.com\/wp-content\/uploads\/2025\/08\/creatine-powder-measuring-scoop-preworkout-gym-black-wooden-background-1200x800.jpg\" alt=\"Citrulline, Arginine and Nitrate\" class=\"wp-image-37372\" srcset=\"https:\/\/cdn-magazine.nutrabay.com\/wp-content\/uploads\/2025\/08\/creatine-powder-measuring-scoop-preworkout-gym-black-wooden-background-1200x800.jpg 1200w, https:\/\/cdn-magazine.nutrabay.com\/wp-content\/uploads\/2025\/08\/creatine-powder-measuring-scoop-preworkout-gym-black-wooden-background-600x400.jpg 600w, https:\/\/cdn-magazine.nutrabay.com\/wp-content\/uploads\/2025\/08\/creatine-powder-measuring-scoop-preworkout-gym-black-wooden-background-768x512.jpg 768w, https:\/\/cdn-magazine.nutrabay.com\/wp-content\/uploads\/2025\/08\/creatine-powder-measuring-scoop-preworkout-gym-black-wooden-background-1536x1024.jpg 1536w, https:\/\/cdn-magazine.nutrabay.com\/wp-content\/uploads\/2025\/08\/creatine-powder-measuring-scoop-preworkout-gym-black-wooden-background-2048x1365.jpg 2048w, https:\/\/cdn-magazine.nutrabay.com\/wp-content\/uploads\/2025\/08\/creatine-powder-measuring-scoop-preworkout-gym-black-wooden-background-150x100.jpg 150w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><figcaption class=\"wp-element-caption\">Source: Freepik<\/figcaption><\/figure>\n\n\n\n<p>Perhaps the most researched nitric oxide enhancer in sports nutrition is citrulline, particularly L-citrulline and citrulline malate. Despite the fact that arginine is the direct precursor to nitric oxide, citrulline is surprisingly more effective than arginine at increasing arginine levels in the body.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"why-citrulline-works-better-than-arginine\"><strong>Does Citrulline Works Better<\/strong>?<\/h3>\n\n\n\n<p>A significant amount of L-arginine that is taken orally is broken down in the liver and digestive tract before it enters the bloodstream. We refer to this process as &#8220;first-pass metabolism.&#8221;<\/p>\n\n\n\n<p>However, L-citrulline avoids the liver, spontaneously transforms into arginine in the blood, and promotes the continuous generation of nitric oxide. This indicates that citrulline increases the levels of arginine more efficiently.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"forms-of-citrulline\"><strong>Forms of Citrulline<\/strong><\/h2>\n\n\n\n<p id=\"l-citrulline\"><strong>L-Citrulline<\/strong>: It is the pure form, excellent for nitric oxide production.<\/p>\n\n\n\n<p id=\"citrulline-malate\"><strong>Citrulline Malate<\/strong>: L-citrulline combined with malic acid. Benefits of <a href=\"https:\/\/nutrabay.com\/product\/nutrabay-citrulline-malate\/?pId=3132942&amp;vId=9059870\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/nutrabay.com\/product\/nutrabay-citrulline-malate\/?pId=3132942&amp;vId=9059870\" rel=\"noreferrer noopener\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">citrulline malate<\/mark><\/strong><\/a> include increased ATP synthesis, less muscular soreness, increased endurance, and improved recuperation. Because citrulline malate promotes both blood flow and energy, it is included in most pre-workout supplements rather than just citrulline.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"evidence-based-benefits-of-citrulline\"><strong>Evidence-Based Benefits of Citrulline<\/strong><\/h2>\n\n\n\n<p>Research consistently shows that Citrulline<sup><a href=\"#footnote_1_47990\" id=\"identifier_1_47990\" class=\"footnote-link footnote-identifier-link\" title=\"Theodorou, A. A., Zinelis, P. T., Malliou, V. J., Chatzinikolaou, P. N., Margaritelis, N. V., Mandalidis, D., Geladas, N. D., &amp; Paschalis, V. (2021).&nbsp;Acute L-citrulline supplementation increases nitric oxide bioavailability but not inspiratory muscle oxygenation and respiratory performance.&nbsp;Nutrients, 13(10), 3311.&nbsp;https:\/\/doi.org\/10.3390\/nu13103311\">1<\/a><\/sup>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>increases nitric oxide levels<\/li>\n\n\n\n<li>enhances blood flow to working muscles<\/li>\n\n\n\n<li>improves exercise volume, allowing more reps<\/li>\n\n\n\n<li>reduces fatigue<\/li>\n\n\n\n<li>improves muscle oxygenation<\/li>\n\n\n\n<li>enhances \u201cpump\u201d intensity<\/li>\n<\/ul>\n\n\n\n<p>A noticeable pump isn&#8217;t just aesthetic; it reflects increased nutrient delivery and intracellular hydration, which support performance.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"arginine-does-it-still-matter-for-blood-flow\"><strong>Arginine: Does It Still Matter for Blood Flow?<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1199\" height=\"800\" src=\"https:\/\/cdn-magazine.nutrabay.com\/wp-content\/uploads\/2024\/03\/strong-bodybuilder-with-perfect-deltoid-muscles-1199x800.jpg\" alt=\"Arginine: Does It Still Matter for Blood Flow\" class=\"wp-image-17231\" srcset=\"https:\/\/cdn-magazine.nutrabay.com\/wp-content\/uploads\/2024\/03\/strong-bodybuilder-with-perfect-deltoid-muscles-1199x800.jpg 1199w, https:\/\/cdn-magazine.nutrabay.com\/wp-content\/uploads\/2024\/03\/strong-bodybuilder-with-perfect-deltoid-muscles-599x400.jpg 599w, https:\/\/cdn-magazine.nutrabay.com\/wp-content\/uploads\/2024\/03\/strong-bodybuilder-with-perfect-deltoid-muscles-768x513.jpg 768w, https:\/\/cdn-magazine.nutrabay.com\/wp-content\/uploads\/2024\/03\/strong-bodybuilder-with-perfect-deltoid-muscles-1536x1025.jpg 1536w, https:\/\/cdn-magazine.nutrabay.com\/wp-content\/uploads\/2024\/03\/strong-bodybuilder-with-perfect-deltoid-muscles-2048x1367.jpg 2048w, https:\/\/cdn-magazine.nutrabay.com\/wp-content\/uploads\/2024\/03\/strong-bodybuilder-with-perfect-deltoid-muscles-150x100.jpg 150w\" sizes=\"auto, (max-width: 1199px) 100vw, 1199px\" \/><figcaption class=\"wp-element-caption\">Source: Freepik<\/figcaption><\/figure>\n\n\n\n<p>Since <a href=\"https:\/\/nutrabay.com\/product\/nutrabay-l-arginine\/?pId=4800664&amp;vId=1125812\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/nutrabay.com\/product\/nutrabay-l-arginine\/?pId=4800664&amp;vId=1125812\" rel=\"noreferrer noopener\">arginine<\/a> is the direct precursor of nitric oxide, it makes sense that it would be the ideal component. However, rationality isn&#8217;t usually followed by science.<\/p>\n\n\n\n<p>Before it may enter the bloodstream, it is extensively digested when taken orally. Many people don&#8217;t experience the effects as intensely as they anticipate because of this. This does not, however, imply that arginine is worthless; it can still be useful in some situations.<\/p>\n\n\n\n<p><strong>Who Benefits Most From L-Arginine?<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Individuals with poor nitric oxide production<\/li>\n\n\n\n<li>People with specific circulatory challenges<\/li>\n\n\n\n<li>Athletes stacking it with Citrulline or Nitrates<\/li>\n\n\n\n<li>Those looking for additional cardiovascular benefits<\/li>\n<\/ul>\n\n\n\n<p>It may also support sexual wellness, immunity, growth hormone responses and endothelial function. Its benefits are real, they\u2019re just not as pronounced when used alone for workouts. <\/p>\n\n\n\n<p><strong>The Real Question: Can I Take L-Arginine With Pre Workout?<\/strong><\/p>\n\n\n\n<p>Yes, and a lot of athletes do just that. Nitric oxide production can be increased by combining L-arginine with a pre-workout supplement that contains citrulline or nitrates.<br>Internal levels of it are increased by citrulline. An extra substrate is provided by it, and a totally separate nitric oxide route is provided by nitrates. They are a wonderful compliment to one another.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"nitrates-the-silent-powerhouse-in-blood-flow-enhancement\"><strong>Nitrates: The Silent Powerhouse in Blood Flow Enhancement<\/strong><\/h2>\n\n\n\n<p>Nitrate is frequently the component that produces some of the most quantifiable performance gains, even if citrulline and arginine receive the majority of the attention.<\/p>\n\n\n\n<p>Beetroot, spinach, arugula, lettuce, and radish are natural sources of nitrates. The body completely avoids the arginine pathway by converting nitrates into nitrites and then nitric oxide.<br>This indicates that they offer a consistent nitric oxide boost, function even in cases when its metabolism is compromised, and greatly increase endurance. <br>This explains why endurance athletes love beetroot juice. Research indicates that it enhances running efficiency, time-to-exhaustion, cycle power production, and oxygen efficiency.<\/p>\n\n\n\n<p>Nitrates are similar to that understated component that works incredibly well but doesn&#8217;t brag.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"citrulline-vs-arginine-vs-nitrates-which-works-best\"><strong>Citrulline vs Arginine vs Nitrates: Which Works Best?<\/strong><\/h2>\n\n\n\n<p>If we compare them head-to-head, here\u2019s what the evidence suggests:<\/p>\n\n\n\n<p id=\"best-all-rounder\"><strong>Best All-Rounder:<\/strong><br><strong>Citrulline (especially citrulline malate)<\/strong>: It consistently improves pumps, endurance, and performance.<\/p>\n\n\n\n<p id=\"best-for-direct-nitric-oxide-pathway\"><strong>Best for Direct Nitric Oxide Pathway:<\/strong><br><strong>L-Arginine<\/strong>: Works better when stacked with Citrulline.<\/p>\n\n\n\n<p id=\"best-for-endurance-oxygen-efficiency\"><strong>Best for Endurance &amp; Oxygen Efficiency:<\/strong><br><strong>Nitrates<\/strong>: Often more effective for long-duration workouts or cardio-heavy athletes.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"dosage-safety-who-should-avoid-these-supplements\"><strong>Dosage, Safety &amp; Who Should Avoid These Supplements<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"800\" src=\"https:\/\/cdn-magazine.nutrabay.com\/wp-content\/uploads\/2025\/09\/young-handsome-man-with-beard-wearing-casual-sweater-glasses-blue-background-confuse-wondering-about-question-uncertain-with-doubt-thinking-with-hand-head-pensive-concept-1200x800.jpg\" alt=\"Dosage, Safety &amp; Who Should Avoid Citrulline, Arginine, Nitrates Supplement\" class=\"wp-image-40900\" srcset=\"https:\/\/cdn-magazine.nutrabay.com\/wp-content\/uploads\/2025\/09\/young-handsome-man-with-beard-wearing-casual-sweater-glasses-blue-background-confuse-wondering-about-question-uncertain-with-doubt-thinking-with-hand-head-pensive-concept-1200x800.jpg 1200w, https:\/\/cdn-magazine.nutrabay.com\/wp-content\/uploads\/2025\/09\/young-handsome-man-with-beard-wearing-casual-sweater-glasses-blue-background-confuse-wondering-about-question-uncertain-with-doubt-thinking-with-hand-head-pensive-concept-600x400.jpg 600w, https:\/\/cdn-magazine.nutrabay.com\/wp-content\/uploads\/2025\/09\/young-handsome-man-with-beard-wearing-casual-sweater-glasses-blue-background-confuse-wondering-about-question-uncertain-with-doubt-thinking-with-hand-head-pensive-concept-768x512.jpg 768w, https:\/\/cdn-magazine.nutrabay.com\/wp-content\/uploads\/2025\/09\/young-handsome-man-with-beard-wearing-casual-sweater-glasses-blue-background-confuse-wondering-about-question-uncertain-with-doubt-thinking-with-hand-head-pensive-concept-150x100.jpg 150w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><figcaption class=\"wp-element-caption\">Source: Freepik<\/figcaption><\/figure>\n\n\n\n<p id=\"safe-for-most-people\"><strong>Safe for Most People<\/strong>: Citrulline, Arginine, and Nitrates are generally safe for healthy individuals.<\/p>\n\n\n\n<p id=\"avoid-if-you-have\"><strong>Avoid If You Have<\/strong> issues like low blood pressure, kidney issues, heart medication interactions and nitrate sensitivity.<br>As always, individuals with medical conditions should also consult a professional.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"final-thoughts\">Final Thoughts<\/h2>\n\n\n\n<p>Citrulline, arginine, and nitrates are potent, thoroughly studied substances that actually increase blood flow and nitric oxide generation; they are not merely marketing gimmicks.<\/p>\n\n\n\n<p>Together, they produce a synergistic improvement in circulation, endurance, and performance through somewhat distinct pathways.<\/p>\n\n\n\n<p>Therefore, these compounds can provide genuine, observable benefits\u2014especially when utilized correctly, whether you&#8217;re looking for a stronger pump, increased stamina, or just better blood flow for everyday wellness. If you want to know more about supplements for a lean and ripped body, go check out our <a href=\"https:\/\/nutrabay.com\/magazine\/best-supplements-to-get-lean-and-ripped\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/nutrabay.com\/magazine\/best-supplements-to-get-lean-and-ripped\" rel=\"noreferrer noopener\">blog<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"frequently-asked-questions\">Frequently Asked Questions<\/h2>\n\n\n<div id=\"rank-math-faq\" class=\"rank-math-block\">\n<div class=\"rank-math-list \">\n<div id=\"faq-question-1765516286827\" class=\"rank-math-list-item\">\n<p class=\"rank-math-question \"><strong>Is Citrulline better than Arginine for pumps?<\/strong><\/p>\n<div class=\"rank-math-answer \">\n\n<p>Yes, because Citrulline raises Arginine levels more effectively and keeps it stable than Arginine itself.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1765516294434\" class=\"rank-math-list-item\">\n<p class=\"rank-math-question \"><strong>What\u2019s the best ingredient for endurance?<\/strong><\/p>\n<div class=\"rank-math-answer \">\n\n<p>Nitrates, especially from beetroot help improve oxygen efficiency and stamina.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1765516301051\" class=\"rank-math-list-item\">\n<p class=\"rank-math-question \"><strong>Can I take L Arginine with pre workout?<\/strong><\/p>\n<div class=\"rank-math-answer \">\n\n<p>Yes, stacking L Arginine with Citrulline can help enhance your blood flow.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1765516312974\" class=\"rank-math-list-item\">\n<p class=\"rank-math-question \"><strong>How long does Citrulline take to work?<\/strong><\/p>\n<div class=\"rank-math-answer \">\n\n<p>Usually 30 to 35 minutes is needed for it to perform its role.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1765516317687\" class=\"rank-math-list-item\">\n<p class=\"rank-math-question \"><strong>Is it safe to take these supplements daily?<\/strong><\/p>\n<div class=\"rank-math-answer \">\n\n<p>Yes, but within recommended doses and prefer to opt for a trustworthy brand.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>References<ol class=\"footnotes\"><li id=\"footnote_1_47990\" class=\"footnote\">Theodorou, A. A., Zinelis, P. T., Malliou, V. J., Chatzinikolaou, P. N., Margaritelis, N. V., Mandalidis, D., Geladas, N. D., &amp; Paschalis, V. (2021).&nbsp;<em>Acute L-citrulline supplementation increases nitric oxide bioavailability but not inspiratory muscle oxygenation and respiratory performance<\/em>.&nbsp;<em>Nutrients, 13<\/em>(10), 3311.&nbsp;<a>https:\/\/doi.org\/10.3390\/nu13103311<\/a><span class=\"footnote-back-link-wrapper\">[<a href=\"#identifier_1_47990\" class=\"footnote-link footnote-back-link\">&#8617;<\/a>]<\/span><\/li><\/ol>","protected":false},"excerpt":{"rendered":"<p>Do Citrulline, Arginine &amp; Nitrates Really Improve Blood Flow? When you pick up a pre-workout supplement at any gym, the same three ingredients, citrulline, arginine, and nitrates will consistently appear. The &#8220;pump&#8221; category is dominated by these components, which promise increased endurance, stronger exercises, and better blood flow.Do they, however, actually work? Or are they [&#8230;]\n","protected":false},"author":21,"featured_media":13798,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fbia_status":"","footnotes":""},"categories":[10664,190],"tags":[3155,11324,11325,3156,11321,11323,11320,11322,11326,7460],"class_list":["post-47990","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pre-workout","category-aminos-bcaa","tag-arginine","tag-blood-flow","tag-can-i-take-l-arginine-with-pre-workout","tag-citrulline","tag-citrulline-malate-benefits","tag-l-arginine","tag-l-citrulline","tag-nitrate","tag-nitrates","tag-pre-workout-3"],"_links":{"self":[{"href":"https:\/\/nutrabay.com\/magazine\/wp-json\/wp\/v2\/posts\/47990","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nutrabay.com\/magazine\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nutrabay.com\/magazine\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nutrabay.com\/magazine\/wp-json\/wp\/v2\/users\/21"}],"replies":[{"embeddable":true,"href":"https:\/\/nutrabay.com\/magazine\/wp-json\/wp\/v2\/comments?post=47990"}],"version-history":[{"count":7,"href":"https:\/\/nutrabay.com\/magazine\/wp-json\/wp\/v2\/posts\/47990\/revisions"}],"predecessor-version":[{"id":48349,"href":"https:\/\/nutrabay.com\/magazine\/wp-json\/wp\/v2\/posts\/47990\/revisions\/48349"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nutrabay.com\/magazine\/wp-json\/wp\/v2\/media\/13798"}],"wp:attachment":[{"href":"https:\/\/nutrabay.com\/magazine\/wp-json\/wp\/v2\/media?parent=47990"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nutrabay.com\/magazine\/wp-json\/wp\/v2\/categories?post=47990"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nutrabay.com\/magazine\/wp-json\/wp\/v2\/tags?post=47990"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}