{"id":56,"date":"2008-12-03T20:42:09","date_gmt":"2008-12-04T03:42:09","guid":{"rendered":"http:\/\/glossary.ultimatefatburner.com\/ltyrosine.php"},"modified":"2008-12-03T20:42:09","modified_gmt":"2008-12-04T03:42:09","slug":"ltyrosine","status":"publish","type":"post","link":"https:\/\/www.ultimatefatburner.com\/glossary\/ltyrosine\/","title":{"rendered":"L-Tyrosine"},"content":{"rendered":"<p>A conditionally-essential amino acid synthesized from L-phenylalanine.\u00a0 L-tyrosine is a precursor\u00a0to\u00a0the catecholamine\u00a0neurotransmitters, l-dopa, dopamine, norepinephrine, and epinephrine &#8211;\u00a0which are important contributors to mood and\u00a0cognitive performance.\u00a0 It&#8217;s also a precursor to the thyroid hormone thyroxine (also known as T4).<\/p>\n<p>In larger amounts, L-tyrosine has been shown to improve <a href=\"http:\/\/www.ncbi.nlm.nih.gov\/pubmed\/10548261\" target=\"_blank\" rel=\"noopener\">memory<\/a>, <a href=\"http:\/\/www.ncbi.nlm.nih.gov\/pubmed\/17078981\" target=\"_blank\" rel=\"noopener\">psychomotor skills<\/a> and <a href=\"http:\/\/www.ncbi.nlm.nih.gov\/pubmed\/7794222\" target=\"_blank\" rel=\"noopener\">cognitive performance <\/a>under physical stress.\u00a0L-tyrosine is frequently added to weight loss and pre-workout supplements to enhance alertness and (possibly) metabolism, although it is frequently underdosed.<\/p>\n<p>May also be\u00a0listed as 4-hydroxyphenylalanine.<\/p>\n<p>For more information, see Paul&#8217;s review: &#8220;<a href=\"http:\/\/www.ultimatefatburner.com\/l-tyrosine.html\" target=\"_blank\">L-Tyrosine: Fat Burner &amp; Anti-Depressant<\/a>?&#8221;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A conditionally-essential amino acid synthesized from L-phenylalanine.\u00a0 L-tyrosine is a precursor\u00a0to\u00a0the catecholamine\u00a0neurotransmitters, l-dopa, dopamine, norepinephrine, and epinephrine &#8211;\u00a0which are important contributors to mood and\u00a0cognitive performance.\u00a0 It&#8217;s also a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[102,290,600,650,669,698,814,895,936,953],"_links":{"self":[{"href":"https:\/\/www.ultimatefatburner.com\/glossary\/wp-json\/wp\/v2\/posts\/56"}],"collection":[{"href":"https:\/\/www.ultimatefatburner.com\/glossary\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ultimatefatburner.com\/glossary\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ultimatefatburner.com\/glossary\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ultimatefatburner.com\/glossary\/wp-json\/wp\/v2\/comments?post=56"}],"version-history":[{"count":0,"href":"https:\/\/www.ultimatefatburner.com\/glossary\/wp-json\/wp\/v2\/posts\/56\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.ultimatefatburner.com\/glossary\/wp-json\/wp\/v2\/media?parent=56"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ultimatefatburner.com\/glossary\/wp-json\/wp\/v2\/categories?post=56"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ultimatefatburner.com\/glossary\/wp-json\/wp\/v2\/tags?post=56"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}