{"id":386,"date":"2026-05-19T13:17:24","date_gmt":"2026-05-19T13:17:24","guid":{"rendered":"https:\/\/activeambitious.com\/?p=386"},"modified":"2026-05-19T13:17:27","modified_gmt":"2026-05-19T13:17:27","slug":"the-best-running-supplements-that-actually-work-according-to-science","status":"publish","type":"post","link":"https:\/\/activeambitious.com\/es\/the-best-running-supplements-that-actually-work-according-to-science\/","title":{"rendered":"The Best Running Supplements That Actually Work (According to Science)"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you\u2019re training for a half marathon, marathon, or simply trying to improve your running performance, you\u2019ve probably wondered whether supplements can actually help.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The short answer? Yes \u2014 but only a few are truly worth your money.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The biggest performance boosters for runners are still&nbsp;<strong>consistent training, recovery, hydration, sleep, and proper nutrition<\/strong>. Supplements are more like the \u201cextra 5%\u201d that can help you run stronger, recover faster, and feel better during hard sessions.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Here are the running supplements most backed by science \u2014 plus some popular products runners love using.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">1. Caffeine \u2014 The Most Effective Performance Supplement<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Caffeine is one of the most researched sports supplements in the world. Studies show it can:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>improve endurance<\/li>\n\n\n\n<li>reduce perceived effort<\/li>\n\n\n\n<li>increase focus and alertness<\/li>\n\n\n\n<li>help maintain pace during long runs. <\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Most runners benefit from:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>3\u20136 mg per kg bodyweight<\/li>\n\n\n\n<li>taken around 30\u201360 minutes before running<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Great options for runners<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">You can find ultimative caffeine solutions to support your energy and focus during your endurance training or a race. <br><br>I have collected my favourites in the links below:   <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.amazon.es\/MAURTEN-GEL-100-CAF-preservatives\/dp\/B07Y3YXCVT?crid=1D144QE599D0Z&amp;dib=eyJ2IjoiMSJ9.Xi3opdg4uUIz4iGr0YkSDIuAVEZ_SeLMRwExN990M_CHLmoA2ex-YbW1PYheX8stvZWY8gblCY_FCloO3uHCMzz25zhfe6s4JAKTNoMI0NLBdCVRi3R6ykza5rqc8NF4X9AfRUGcalivUFNFFozHQ0ZDIs0Eexo3YK2IXwktGP7DXVHQFCrogfQ0p6saCa_kssuYAlKbZzbLDPPwWZ1Q_b72QF9mFGiXP6759t4lkCdCrC1b9v6Hq20vVn2f3ZOvDTVY8Kvap1irHHdzO1dcMukRt6XeiVbVV4VvpbX3t7E.Jugjp3EQ2CcBa_xtt98WeonHtbBnk4Hs9bz9x9PDWkI&amp;dib_tag=se&amp;keywords=Maurten+Gel+100+CAF&amp;qid=1779018594&amp;sprefix=maurten+gel+100+caf%2Caps%2C136&amp;sr=8-1-spons&amp;aref=Hz9kvaagVO&amp;sp_csd=d2lkZ2V0TmFtZT1zcF9hdGY&amp;psc=1&amp;linkCode=ll2&amp;tag=activeambit05-20&amp;linkId=ae3633fc6f1d00743891fcfea7e8aec3&amp;ref_=as_li_ss_tl\" target=\"_blank\" rel=\"noopener\" title=\"Maurten Gel 100 CAF\">Maurten Gel 100 CAF<\/a>\u00a0 <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.amazon.es\/-\/en\/226ERS-Digestion-Tiredness-Performance-Improvement\/dp\/B07NC55QPV?crid=3WLJDLS0XTC2&amp;dib=eyJ2IjoiMSJ9.2W7J7pg-f9HFOsxT-tFUpKDA_AU-5U492T6qA02c8TGy7JU5iUS7WRajNEZQKyWghyWKsSlM8vOHnp_OiWWvR439otRwZENyDmyF5HaAgM_SFcn9kv4arXQM3VvTnIGnXCXEZO_5NGzNObal3vBRKEGRoheyIH-KIKSvRs-g1dlGhDPWTR83moBeLk1szsT68AaBbqC7eQoDGFohdjl86HHp9SG83ZzHod8crjQC1o5q0J1eQggirz7wNfXUCCFSdpZjfgeamaQhLajBn7iKarBPRHyCREYDHhlAD_e9ztI.ZGPqWZdIn3SVB878YOsf9xbFZ61bHc0s12H1dpqVUkE&amp;dib_tag=se&amp;keywords=226ERS+CAFFEINE&amp;qid=1779195130&amp;s=hpc&amp;sprefix=226ers+caffei%2Chpc%2C446&amp;sr=1-6&amp;linkCode=ll2&amp;tag=activeambit05-20&amp;linkId=9373059baf98f07a21ebbf67482b8c61&amp;ref_=as_li_ss_tl\" target=\"_blank\" rel=\"noopener\" title=\"\">226ERS &#8211; INSTANT CAFFEINE &#8211; CAPLES\u00a0<\/a><br><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2. Electrolytes \u2014 Essential for Long Runs<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">When you sweat, you lose sodium and minerals that help regulate hydration and muscle function.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Electrolytes can help with:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hydration<\/li>\n\n\n\n<li>Reducing fatigue<\/li>\n\n\n\n<li>Avoiding heavy legs <\/li>\n\n\n\n<li>recovery after long runs or hot weather sessions <\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">They\u2019re especially useful for:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Runs over 60\u201390 minutes<\/li>\n\n\n\n<li>Summer running<\/li>\n\n\n\n<li>Heavy sweaters<\/li>\n\n\n\n<li>Race day<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Recommended electrolyte products<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">I fully recommend <strong>226ERS<\/strong> &#8211; a great brand for refilling and energising before\/during\/ after a race!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.amazon.es\/-\/en\/226ERS-CP-S9-100-NT-SUB-9-SALTS-ELECTROLYTES\/dp\/B077BXV3B7?crid=1Q0CD9TLIH4CV&amp;dib=eyJ2IjoiMSJ9.5X_0wKxfJTA5alNWR_K1p_2PH_32D3jNrQX0JHM47zcEuWnwGcu5wbhvwCDpeuBBYlaWSJIchDcvNiMJ4SlPv_5XR7QyE4re0A7CXITnaP0Df13xt31c9DtJyQC1tEg6ny4KHC2VHbNw5kEl3GBs_Pd5t4QxMviwcVcCCMSpR2HGWmtLV5WVQqgvYE0fBfg4eeo1GQ5t6nZjdW7VdBZOyJU0-d0s-2MPiqDIQ88Sli2_wJAkwTeuohDNxftPLznT4fv0wqm-7cjle1gjeK1OtrliU1BnxgLM_pT61MvNSIE.EctWp9DI5dLuoTRyfIf-5vPHOK0hdyrkF9E_9El9PBo&amp;dib_tag=se&amp;keywords=226ERS&amp;qid=1779193087&amp;s=hpc&amp;sprefix=%2Chpc%2C399&amp;sr=1-7&amp;linkCode=ll2&amp;tag=activeambit05-20&amp;linkId=23401a53870ea67479515dcb854e17ca&amp;ref_=as_li_ss_tl\" target=\"_blank\" rel=\"noopener\" title=\"226ERS - SUB-9 SALTS ELECTROLYTES 100UD\">226ERS &#8211; SUB-9 SALTS ELECTROLYTES 100UD<\/a>  &#8211; Can be added to the water, before, during or after. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.amazon.es\/dp\/B0F3985JTQ?pd_rd_i=B0F3985JTQ&amp;pd_rd_w=IbOI5&amp;content-id=amzn1.sym.0c640cbd-b6e0-461d-8cfc-a8934b5122df&amp;pf_rd_p=0c640cbd-b6e0-461d-8cfc-a8934b5122df&amp;pf_rd_r=72KMPK0NWBE8RD1R439P&amp;pd_rd_wg=1e1BB&amp;pd_rd_r=b806fc92-368f-45e5-add0-a1c195a43e1d&amp;s=hpc&amp;aref=tY5ogqPa7l&amp;sp_csd=d2lkZ2V0TmFtZT1zcF9kZXRhaWw&amp;th=1&amp;linkCode=ll2&amp;tag=activeambit05-20&amp;linkId=4c5bbf4aaf74d3c1e2e04e3cf703ab90&amp;ref_=as_li_ss_tl\" target=\"_blank\" rel=\"noopener\" title=\"226ERS - CHEWABLE ELECTROLYTES TABLES\">226ERS &#8211; CHEWABLE ELECTROLYTES TABLES<\/a> &#8211; no need to add to water &#8211; easy to take on the run. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3. Beetroot Juice \u2014 Natural Endurance Booster<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Beetroot contains nitrates, which may improve oxygen efficiency and endurance performance.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Research suggests beetroot supplementation may help runners:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sustain harder efforts longer<\/li>\n\n\n\n<li>Improve running economy<\/li>\n\n\n\n<li>Reduce oxygen cost during endurance exercise <\/li>\n\n\n\n<li>Bonus &#8211; Also good to reduce inflammation, supports brain health, improves blood pressure and digestion. <\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Many runners use beetroot shots:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>2\u20133 hours before racing or daily for several days before an event<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>TIP AND INFO: <br>Start Slow:<\/strong>\u00a0Because of its concentrated nature and earthy taste, it is best to start by drinking small amounts (e.g., mixing half a beet&#8217;s worth with other juices like apple or carrot).<br><br>Don&#8217;t be alarmed if your urine or stool turns red or pink after drinking it\u2014this is harmless and completely normal.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">While highly nutritious, beetroot juice is very high in oxalates. If you have a history of kidney stones, low iron levels, or gastrointestinal issues like bloating, consult with a healthcare professional before adding it to your regular diet.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Popular beetroot supplements<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.amazon.es\/-\/en\/226ERS-Supplement-Physical-Performance-Competition\/dp\/B0BLS5CZ12?crid=1YB4MYDS2UN1I&amp;dib=eyJ2IjoiMSJ9.vChUkW_nl8wZF2sdpJDcksziNCLg2NYS5rcscTcaRHePQWWBomPhrwriSfdqmj2g5Rb8YKWSMgqs5nyJgrZT9IO9NBgvX2n4CmCpyV1kG6qFUjoO3NcF7391Qys-hH0wSAoAl7TQxfvTSCNTReGBA627MRY9t2vMuGrtlujKBSicPZ7GHj4xc5O7fEbeQMw2YbIak2Qh_a_0STcaxnvksHPPP5SbOhXq7lgIRmN2q02ZKdbfDjm9YU6JT9FgqlNMYCCCKfEPDH2Ip28J9FIJHpQnPff80P02BwvO7v7b9_w.6HpgXVB-Vgl6E3M36XAZ8N5UGyvNjWh2ClYVz35xrHQ&amp;dib_tag=se&amp;keywords=Beetroot%2BJuice&amp;qid=1779194916&amp;s=hpc&amp;sprefix=beetroot%2Bjuice%2Chpc%2C310&amp;sr=1-4&amp;th=1&amp;linkCode=ll2&amp;tag=activeambit05-20&amp;linkId=d57fb17d62760e91327338053f1dcc69&amp;ref_=as_li_ss_tl\" target=\"_blank\" rel=\"noopener\" title=\"226ERS - BEETROOT JUICE SUPPLEMENT\u00a0\">226ERS &#8211; BEETROOT JUICE SUPPLEMENT\u00a0<\/a><br><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4. Protein Powder \u2014 Better Recovery<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Protein won\u2019t directly make you faster, but it helps your body recover and rebuild after training.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This becomes especially important if you:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Run frequently<\/li>\n\n\n\n<li>Combine running with strength training<\/li>\n\n\n\n<li>Train early in the morning<\/li>\n\n\n\n<li>Struggle to hit daily protein goals<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Protein supports:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Muscle repair<\/li>\n\n\n\n<li>Recovery<\/li>\n\n\n\n<li>Reduced soreness<\/li>\n\n\n\n<li>Maintaining strength during high-volume training (<a href=\"https:\/\/www.verywellhealth.com\/supplements-that-can-improve-workouts-11889865?utm_source=chatgpt.com\">Verywell Health<\/a>)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Good protein options for runners<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Absolute a no-brainer! Good protein can give you a boot and a daily reminder of your health. You can add protein in almost anything &#8211; coffee, yoghurt, milk, bake in bread ect. <br><br>Here are some of my favourites: <br><br><a href=\"https:\/\/www.amazon.es\/-\/en\/226ERS-Isolate-Protein-Filtered-Vanilla\/dp\/B0BVW5Y42T?crid=S67NAG19HL41&amp;dib=eyJ2IjoiMSJ9.8myOzKzkILExhBcJfEpwdKK_1EIXidGzCYQWmywzo0zjkcqtPhzB4b-FPEG0sSjYcEZ2odpBw5kT9NquIANtF1OoNJAiBCAEvB43YCTJ-vuuie7VAwrEnFIjx1L9kP-YZo2RfaoMhboc7IszvsgyMORQ0HGce8fw5SfUcpNge6EbeqsMgZgFPDfgREV5VDy2bJr__btAWZl0WJLITIaxl3TrrlPgjifexN6dmsZr3KmmWjBxgBRdXkStT5JXh2T32qeALkLnQ5xETZLvED4wwm568KCX1aSvVYwY_kRexdw.XtQTVGKozRYHQ75p60T029WCymsKJqqzJecO3Df6ssU&amp;dib_tag=se&amp;keywords=226ers%2Bprotein&amp;qid=1779195619&amp;s=hpc&amp;sprefix=226ers%2Bprotine%2Chpc%2C957&amp;sr=1-5&amp;th=1&amp;linkCode=ll2&amp;tag=activeambit05-20&amp;linkId=0009fbc3133dea501e1252bd02ec655c&amp;ref_=as_li_ss_tl\" target=\"_blank\" rel=\"noopener\" title=\"\">225ERS &#8211; PROTEIN VANILLA TASTE\u00a0<\/a>&#8211; Glute-free and low on sugar. <br>TIP: Vanilla flavour is a great supplement for most if your daily meals: <br>&#8211; pancakes, bread, muffins<br>&#8211; add in yoghurt, milkshakes\/smoothies, coffee <br><br><br><a href=\"https:\/\/www.amazon.es\/-\/en\/226ERS-Whey-Protein-Concentrated-Chocolates\/dp\/B08C55P5XD?crid=S67NAG19HL41&amp;dib=eyJ2IjoiMSJ9.8myOzKzkILExhBcJfEpwdKK_1EIXidGzCYQWmywzo0zjkcqtPhzB4b-FPEG0sSjYcEZ2odpBw5kT9NquIANtF1OoNJAiBCAEvB43YCTJ-vuuie7VAwrEnFIjx1L9kP-YZo2RfaoMhboc7IszvsgyMORQ0HGce8fw5SfUcpNge6EbeqsMgZgFPDfgREV5VDy2bJr__btAWZl0WJLITIaxl3TrrlPgjifexN6dmsZr3KmmWjBxgBRdXkStT5JXh2T32qeALkLnQ5xETZLvED4wwm568KCX1aSvVYwY_kRexdw.XtQTVGKozRYHQ75p60T029WCymsKJqqzJecO3Df6ssU&amp;dib_tag=se&amp;keywords=226ers%2Bprotein&amp;qid=1779195619&amp;s=hpc&amp;sprefix=226ers%2Bprotine%2Chpc%2C957&amp;sr=1-4&amp;th=1&amp;linkCode=ll2&amp;tag=activeambit05-20&amp;linkId=b13d6038fca2684383344847dd628e92&amp;ref_=as_li_ss_tl\" target=\"_blank\" rel=\"noopener\" title=\"\"> 225ERS &#8211; PROTEIN CHOCOLATE TASTE<\/a><br>TIP: chocolate is a great supplement for a snack! <br>&#8211; add in ice-coffee, chocolate milkshake\/smoothies <br>&#8211; add in natural yoghurt or overnight oats. <br><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">5. Energy Gels \u2014 Fuel Matters More Than Most Supplements<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Technically not a supplement \u2014 but fueling during long runs may improve performance more than almost anything else.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For runs longer than 75\u201390 minutes, carbohydrates help maintain energy and delay fatigue.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Most runners aim for:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>30\u201360g carbs per hour<\/li>\n\n\n\n<li>through gels or sports drinks<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Popular running gels<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.amazon.es\/dp\/B095X3HJMQ?pd_rd_i=B095X3HJMQ&amp;pd_rd_w=oPxUH&amp;content-id=amzn1.sym.9611f95a-c40b-4189-92ca-0b4d34f94371&amp;pf_rd_p=9611f95a-c40b-4189-92ca-0b4d34f94371&amp;pf_rd_r=6YBB2CB9P5QRP4DWHVC3&amp;pd_rd_wg=prjBe&amp;pd_rd_r=7de0937d-6894-44b1-8cef-2f3bca4bbe80&amp;aref=GtVRu0LxpG&amp;sp_csd=d2lkZ2V0TmFtZT1zcF9kZXRhaWxfdGhlbWF0aWM&amp;th=1&amp;linkCode=ll2&amp;tag=activeambit05-20&amp;linkId=d09acf84e41245a8cf68a078f9b29866&amp;ref_=as_li_ss_tl\" target=\"_blank\" rel=\"noopener\" title=\"226ERS - Isotonic Gel, Energy for Athletes - No Gluten\">226ERS &#8211; Isotonic Gel, Energy for Athletes &#8211; No Gluten<br><\/a>Again recommending 226ERS for the best possible experience for Gels. <br>Gels is something you and the body have to get used to. 226ERS have so many different flavours &#8211; find your favourite taste. <br><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Which Supplements Are Actually Worth It?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Here\u2019s a simple breakdown:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Supplement<\/th><th>Best For<\/th><th>Worth Trying?<\/th><\/tr><\/thead><tbody><tr><td>Caffeine<\/td><td>Speed, endurance, focus<\/td><td>Yes<\/td><\/tr><tr><td>Electrolytes<\/td><td>Hydration &amp; long runs<\/td><td>Yes<\/td><\/tr><tr><td>Energy gels<\/td><td>Half marathon &amp; marathon fueling<\/td><td>Definitely<\/td><\/tr><tr><td>Beetroot juice<\/td><td>Endurance support<\/td><td>Probably<\/td><\/tr><tr><td>Protein powder<\/td><td>Recovery<\/td><td>Yes<\/td><\/tr><tr><td>Creatine<\/td><td>Strength &amp; gym performance<\/td><td>Optional<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The key is <strong>not<\/strong> to taking everything at once! <br>Start simple and test products during training \u2014 never for the first time on race day.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you\u2019re serious about improving your running performance, your best combination is usually:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Proper fueling<\/li>\n\n\n\n<li>Electrolytes<\/li>\n\n\n\n<li>Caffeine<\/li>\n\n\n\n<li>Recovery nutrition<\/li>\n\n\n\n<li>Consistent training<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">And finally: if you constantly feel tired during runs, it may also be worth checking your iron and vitamin D levels, especially for female endurance runners.<br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">I am not sponsored by 226ERS &#8211; I am simply just a fan of their products. <br>I am affiliate for amazon.  <\/p>","protected":false},"excerpt":{"rendered":"<p>If you\u2019re training for a half marathon, marathon, or simply trying to improve your running performance, you\u2019ve probably wondered whether supplements can actually help. The short answer? Yes \u2014 but only a few are truly worth your money. The biggest performance boosters for runners are still&nbsp;consistent training, recovery, hydration, sleep, and proper nutrition. Supplements are [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[16,13,14,15],"tags":[],"class_list":["post-386","post","type-post","status-publish","format-standard","hentry","category-advanced","category-beginner-runner","category-improver-runner","category-intermediate"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"If you\u2019re training for a half marathon, marathon, or simply trying to improve your running performance, you\u2019ve probably wondered whether supplements can actually help. The short answer? Yes \u2014 but only a few are truly worth your money. The biggest performance boosters for runners are still consistent training, recovery, hydration, sleep, and proper nutrition. 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