BulkSupplements.com L-Tyrosine Powder - Sports Nutrition, Amino Acid Supplement - Unflavored & Gluten Free, 500mg per Serving, 500g (1.1 lbs) (Pack of 1)

Great brand and great quality l-tyrosine. Comes with a 1 g scoop also. In my opinion this bulk powder is far better than capsules. More product and l tyrosine is tasteless so why swallow gelatin. It mixes with anything well. Don’t do capsules- get the bulk powder. It’s awesome. I use for adrenal gland health, and focus.

I read in a book that this product was good for thyroid support. I have been taking it for years and it helps my skin not be dry. It's a big help. I had been having a lot of trouble with cold sores. After taking this product I have not had any more trouble with cold sores. I take 1/4 teaspoon of the powder every day. It goes down easily with water.

Awesome value, amazing quality and mixes great with water! Virtually no taste. I take about a gram once per day (yes, I know this is high) along with some 5-HTP every morning.I would not recommend taking this at night as it may cause restlessness. While I have never felt the "energy rush" of either variation of Tyrosine, I put in a two hour workout just 30 minutes after ingestion (one hour of calisthenics/weights and stretching, followed by a 1 hour 10km run). So that is probably why. I feel I am burning off that rush before it has a chance to really set in, but I do feel it certainly gives me an extra boost during my workout.On rest days, I usually do not take any supps, especially tyrosine, as on those days my daily two cups of coffee is far more than enough to put me on edge as it is :P .I constantly see the comparison being made between Tyrosine and NaLT and which is better/more effective. Honestly, having tried both from BulkSupps now and going through the entire bag (so giving it plenty of chance), I really cannot tell the difference. Despite saying NaLT requires lower doses, I was still using 1g per day with roughly the same effects. I will be sticking with standard tyrosine simply because it requires less processing by the body, but I find both supplements to be beneficial to my workout stack.

Seems like a decent value for the money. Its a cool unique product i heard about on the internet. It looks just like powdered sugar. I just get a spoon and mix a little bit like 500mg in with any type of juice/milk/drink 2-3 times a day to treat my severe Attention deficit disorder (ADHD). It tastes good! I have no side effects so far after 3 days of taking it with the prescription drug Strattera. It seems to make me focus better, i have a better attention span and i am somewhat less distracted. My only suggestion is to get a food clip used for a bag of chips to keep the bag shut since the zipper doesn't really work, but that's not a deal breaker for me. I actually was very surprised to get an email from an employee offering me a free complimentary sample of the smallest size of any one single product of my choice shipped to me!! Talk about top-notch customer service.... i have nothing but respect for people that go the extra mile to make people happy. Two thumbs up! I will definitely be buying from bulksupplements again in the future. :)

Here's the scoop, I did the research so you don't have to... This stuff is legit and is helping in heaps! Literally!L-Tyrosine is a powerful aromatic amino acid that is a building block for dopamine, epinephrine, norepinephrine, and thyroid hormones. Tyrosine supplements are nootropics and adaptogens that help with performance during times of stress. Many people find that it helps significantly with fatigue from stress.L-Tyrosine is produced within the body from a variety of dietary sources. Its primary roles are protein synthesis and maintaining healthy brain chemistry by providing the material from which dopamine, epinephrine, and norepinephrine are produced. These three vital neurotransmitters, known as catecholamines, have a profound effect on energy levels, mood, motivation, and cognitive function.Though L-tyrosine doesn’t directly stimulate the production of these neurotransmitters, it does provide a “buffer” of the raw material the brain needs to produce them, particularly beneficial when stress has depleted their levels. L-Tyrosine also helps regulate the production of certain hormones and is necessary for the creation of the pigment melanin, which is present in skin, hair, and eyes. In addition, L-tyrosine is chemically related to thyroid hormones and may enhance weight loss by suppressing appetite and improving the body’s ability to burn fat.Because the body can produce adequate amounts of L-tyrosine, supplementation isn’t essential for basic health. However, studies suggest that taking additional L-tyrosine can have both physical and cognitive benefits, particularly in scenarios that involve physical or environmental stressors.Benefits and EffectsThere is robust evidence for the effectiveness of L-tyrosine supplementation, particularly regarding cognitive enhancement, mood and motivation improvement, and mitigating the effects of stress on the mind. Some of the most commonly attributed benefits of L-tyrosine include the following:Cognitive Enhancement Under StressA 2015 review of more than a dozen studies found that tyrosine loading effectively offset working memory and information processing deficits created by environmental stressors such as extreme weather or extreme cognitive demand. The review speculated that this effect might be explained by the fact that tyrosine provides a “buffer” of raw material from which the brain can produce neurotransmitters, effectively neutralizing the depletion that stress creates. The review concluded that there is evidence that healthy individuals exposed to demanding situational conditions may benefit from supplemental L-tyrosine.A 1999 military study of cadets on a combat training course showed that a week of L-Tyrosine supplementation significantly lowered systolic blood pressure.[2] The participants receiving L-tyrosine also performed better on memory and tracking tasks than those receiving a placebo.Sleep-deprived individuals receiving supplemental L-tyrosine performed significantly better at a variety of cognitive and psychomotor tasks than a similar group which was given placebo in a 1995 study.Working Memory Improvement Under Increased Cognitive DemandA 2013 study investigating the effect of L-tyrosine on adults doing a progressively challenging mental task found that participants who took supplemental tyrosine did better on the more difficult levels of the task but showed little or no improvement on the easier levels. The researchers said the results confirm the concept that L-tyrosine selectively targets cognitive control situations, providing more resources only when more control is needed.Increased Cognitive FlexibilityA small 2015 study involving 22 healthy adults showed that supplemental L-tyrosine enhanced cognitive flexibility, the ability to switch between tasks or modalities of thought. This result was attributed largely to the fact that L-tyrosine increases brain levels of dopamine, which is believed to control cognitive flexibility.ADHD Treatment and Focus EnhancementA 2011 study of both adult and pediatric ADHD patients showed that 77% of patients treated with L-tyrosine alone showed significant improvement over a period of 10 weeks. Further studies indicated that the positive effect of pharmaceutical ADHD medication was markedly enhanced by the simultaneous administration of L-tyrosine.Anecdotally, even individuals without ADHD report enhanced focus from L-tyrosine supplementation.