{"id":14853,"date":"2020-12-01T12:40:19","date_gmt":"2020-12-01T12:40:19","guid":{"rendered":"https:\/\/www.bulk.com\/uk\/the-core\/?p=14853"},"modified":"2026-05-08T16:06:10","modified_gmt":"2026-05-08T15:06:10","slug":"l-tyrosine-benefits-dosage-side-effects","status":"publish","type":"post","link":"https:\/\/www.bulk.com\/uk\/the-core\/l-tyrosine-benefits-dosage-side-effects\/","title":{"rendered":"L-Tyrosine: Benefits, Dosage &amp; Side Effects"},"content":{"rendered":"<h2><b>WHAT IS L-TYROSINE?<\/b><\/h2>\n<p><span style=\"font-weight: 400\">L-Tyrosine<\/span><span style=\"font-weight: 400\"> is an amino acid that is considered \u2018non-essential\u2019. Amino acids are the building blocks of proteins and are often essential for normal, healthy function of the body. Amino acids are used to create many different proteins, like enzymes, hormones, muscle and all of the body\u2019s tissues and organs.<\/span><\/p>\n<h2><b>HOW DOES L-TYROSINE WORK?<\/b><\/h2>\n<p><span style=\"font-weight: 400\">In some regards, L-Tyrosine is an unusual amino acid. It is directly involved in the creation of the neurotransmitter\u2019s dopamine and adrenaline, a family of hormones called catecholamines.<\/span><\/p>\n<p><span style=\"font-weight: 400\">L-Tyrosine is found in foods, however by providing an abundance of it in supplemental form, we can optimise or create more of these neurotransmitters as it is these that produce the benefits we are after.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Neurotransmitters are important for brain function and allow efficient signalling to take place in the brain. Supplementing with L-Tyrosine can be particularly useful during times when we are under stress and have an increased demand for both neurotransmitters and catecholamine hormones.<\/span><\/p>\n<h2><b>WHAT\u2019S THE DIFFERENCE BETWEEN TYROSINE AND L-TYROSINE?<\/b><\/h2>\n<p><span style=\"font-weight: 400\">When people refer to Tyrosine, they probably mean L-Tyrosine! There are however <\/span><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC4997921\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400\">other types of tyrosine \u2018isomer\u2019<\/span><\/a><span style=\"font-weight: 400\">, O-Tyrosine and M-Tyrosine. An isomer has the same chemical composition but is put together in a slightly different way.<\/span><\/p>\n<p><span style=\"font-weight: 400\">The way proteins are structured affects their function. L-Tyrosine that is the most common and generally useful form in the body.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Tyrosine also comes in supplemental form as <\/span><span style=\"font-weight: 400\">N-Acetyl L-Tyrosine,<\/span><span style=\"font-weight: 400\"> which is a form of L-Tyrosine designed to be more easily absorbed and \u2018bioavailable\u2019 in the body.<\/span><\/p>\n<h2><b>WHAT ARE THE BENEFITS OF L-TYROSINE?<\/b><\/h2>\n<p><span style=\"font-weight: 400\">Due to the roles L-Tyrosine plays, it is an increasingly popular supplement for any environment where performance, especially under <\/span><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/2736402\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400\">physically or mentally stressful conditions<\/span><\/a><span style=\"font-weight: 400\">, is important.\u00a0 L-Tyrosine is often supplemented for its proposed fatigue-reducing, focus-producing and mild stimulant type effects. This makes it popular for use in the gym and in the classroom.<\/span><\/p>\n<h2><b>L-TYROSINE SIDE EFFECTS<\/b><\/h2>\n<p><span style=\"font-weight: 400\">High doses of L-Tyrosine can upset the stomach. This can be avoided by assessing tolerance and using a split dosing protocol (outlined in \u2018L-Tyrosine Dosage\u2019 below).<\/span><\/p>\n<p><span style=\"font-weight: 400\">There is a small chance L-Tyrosine may also interact with other drugs that are involved with neurotransmitter production. You should always seek the advice of a medical professional if you are using any kind of medication before introducing supplements.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Aside from these rare circumstances, it is completely safe at the doses recommended in this article, and has no other established side effects.<\/span><\/p>\n<h2><b>HOW TO TAKE L-TYROSINE<\/b><\/h2>\n<p><span style=\"font-weight: 400\">L-Tyrosine powder should be consumed before a workout, and is most commonly mixed with water, combined with other pre-workout ingredients.<\/span><\/p>\n<h2><b>L-TYROSINE DOSAGE<\/b><\/h2>\n<p><span style=\"font-weight: 400\">To assess your tolerance to L-Tyrosine, recommended doses start at around 400mg; this limits the chances of suffering the mild side effects mentioned above.<\/span><\/p>\n<p><span style=\"font-weight: 400\">An optimal dose of L-Tyrosine has not yet been established. Recommended dosages vary everywhere from a single serving of 500mg up to 100-150mg per kg of body weight. Once your tolerance has been assessed, we would recommend gradually increasing the dose until you find the optimal level for you.<\/span><\/p>\n<p><span style=\"font-weight: 400\">It is advised to be taken around one hour before exercise or onset of a stressful situation (like an exam). With this, in the above example you might want to take half a dose (4g) around one hour before and the rest around 30 minutes before the event.<\/span><\/p>\n<h2><b>WHICH FOODS CONTAIN L TYROSINE?<\/b><\/h2>\n<p><span style=\"font-weight: 400\">There are nine essential amino acids that we need to obtain in our diet for optimal health. These are all found in protein rich foods, especially from what are known as complete protein sources. Complete protein sources contain all nine essential amino acids and these sources include meat, fish and dairy including <a href=\"https:\/\/www.bulk.com\/uk\/protein\/whey-protein\">whey protein<\/a>, which is an <\/span><span style=\"font-weight: 400\">excellent source of protein<\/span><span style=\"font-weight: 400\"> for this reason.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Being complete protein sources, meat, fish and dairy also contain many other amino acids and included in this is L-Tyrosine. However, for people who don\u2019t eat many or any animal products, tyrosine is also found in good amounts in wheat products, <\/span><a href=\"https:\/\/www.bulk.com\/uk\/products\/ultra-fine-scottish-oats\/bpb-oats-0000\"><span style=\"font-weight: 400\">oats<\/span><\/a><span style=\"font-weight: 400\">, <\/span><a href=\"https:\/\/www.bulk.com\/uk\/foods\/nuts-seeds\"><span style=\"font-weight: 400\">nuts<\/span><\/a><span style=\"font-weight: 400\"> and a number of beans and seeds.<\/span><\/p>\n<h2><b>SUMMARY<\/b><\/h2>\n<p><span style=\"font-weight: 400\">L-Tyrosine is an amino acid that is important in the production of catecholamine hormones and neurotransmitters. Despite it being classified as non-essential, L-Tyrosine might be of benefit in situations where you are likely to experience stress. This is why it can be used as both a pre-workout and before events such as exams or interviews.<\/span><\/p>\n<h3>Related articles<\/h3>\n<p>Looking to learn more? 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L-Tyrosine is an amino acid that is considered &lsquo;non-essential&rsquo;. Amino acids are the building blocks of proteins and are often essential for normal, healthy function of the&#8230;<\/p>\n","protected":false},"author":29,"featured_media":16728,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[352],"tags":[1755],"class_list":["post-14853","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nutrition","tag-l-tyrosine"],"_links":{"self":[{"href":"https:\/\/www.bulk.com\/uk\/the-core\/wp-json\/wp\/v2\/posts\/14853","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bulk.com\/uk\/the-core\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bulk.com\/uk\/the-core\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bulk.com\/uk\/the-core\/wp-json\/wp\/v2\/users\/29"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bulk.com\/uk\/the-core\/wp-json\/wp\/v2\/comments?post=14853"}],"version-history":[{"count":22,"href":"https:\/\/www.bulk.com\/uk\/the-core\/wp-json\/wp\/v2\/posts\/14853\/revisions"}],"predecessor-version":[{"id":25504,"href":"https:\/\/www.bulk.com\/uk\/the-core\/wp-json\/wp\/v2\/posts\/14853\/revisions\/25504"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bulk.com\/uk\/the-core\/wp-json\/wp\/v2\/media\/16728"}],"wp:attachment":[{"href":"https:\/\/www.bulk.com\/uk\/the-core\/wp-json\/wp\/v2\/media?parent=14853"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bulk.com\/uk\/the-core\/wp-json\/wp\/v2\/categories?post=14853"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bulk.com\/uk\/the-core\/wp-json\/wp\/v2\/tags?post=14853"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}