Food Grade L-Tyrosine - Cognitive Support Supplement
1. Product Features
Food-grade safety standards: strictly follow food production specifications, pass multiple authoritative quality tests, can be safely used for food addition and dietary supplements, and ensure the safety of daily intake.
Natural extraction source: extracted from high-quality natural raw materials, retaining the original activity of the substance, without chemical synthetic ingredients, in line with the healthy and natural consumption concept.
High purity quality: with high purity characteristics, stable content of effective ingredients, can accurately meet the human body's needs for L-tyrosine supplementation, and ensure the product's reliable efficacy.
White crystalline powder: presents a delicate white crystalline powder form, easy to dissolve and mix, and can be easily added to coffee, protein powder, baked goods and other diets.
2. Product advantages
Enhance cognitive function: L-tyrosine is a key precursor substance for the synthesis of neurotransmitters such as dopamine and norepinephrine. It can improve the efficiency of brain nerve signal transmission, enhance memory, concentration and thinking agility, and help efficient learning and work.
Relieve stress and fatigue: Under stress, the human body's demand for L-tyrosine increases. Supplementing L-tyrosine helps maintain the balance of neurotransmitters, reduce anxiety caused by stress, relieve mental and physical fatigue, and maintain a good physical and mental state.
Regulate emotional state: By promoting the secretion of neurotransmitters, improving emotional regulation ability, helping to fight negative emotions such as depression and depression, and keeping people in a positive and optimistic mood.
Support body functions: Participating in protein synthesis is essential for maintaining normal physiological functions of the body. It can also support thyroid function to a certain extent and promote normal metabolism.
Wide application scenarios: Applicable to multiple fields such as food and health products, it can be added to functional foods, sports nutrition drinks, and dietary supplement capsules to meet the cognitive improvement needs of different groups in learning, work, sports and other scenarios.
3. Precautions
Individual differences: Different individuals have different tolerance and reactions to L-tyrosine. It is recommended to start with a low dose for the first time and observe the body's reaction. If discomfort occurs, adjust the dosage or stop taking it in time.
Drug interactions: People who are taking special drugs such as antidepressants, antihypertensive drugs, thyroid hormone drugs, etc. must consult a doctor before use to avoid interactions with drugs, affecting the efficacy or causing adverse reactions.
Special populations: Pregnant women, breastfeeding women, children, and people with special diseases such as hypertension, heart disease, thyroid disease, etc., please do not take it without the guidance of a professional doctor to prevent potential risks to yourself, the fetus, and the baby's health.
Risk of overdose: Although L-tyrosine is relatively safe, excessive intake may cause symptoms such as nausea, vomiting, headache, and increased heart rate. The dosage should be strictly controlled according to the product instructions or doctor's advice.
Storage conditions: The product should be stored in a cool, dry, dark place and sealed to avoid high temperature, humidity or direct sunlight to prevent oxidation and deterioration of the ingredients and affect the product effect.
Melting point | >300 °C (dec.) (lit.) |
alpha | -11.65º (c=5,DIL HCL/H2O 50/50) |
Boiling point | 314.29°C (rough estimate) |
density | 1.34 |
FEMA | 3736 | L-TYROSINE |
refractive index | -12° (C=5, 1mol/L HCl) |
Fp | 176°C |
storage temp. | Store below +30°C. |
solubility | 1 M HCl: 25 mg/mL |
pka | 2.2(at 25°C) |
form | powder |
color | White to Pale-brown |
PH | 6.5 (0.1g/l, H2O) |
optical activity | [±]20/D 11.5±1.0°, c = 4% in 1 M HCl |
Water Solubility | 0.45 g/L (25ºC) |
Merck | 149839 |
JECFA Number | 1434 |
BRN | 392441 |
Stability: | Stable. Incompatible with strong oxidizing agents, strong reducing agents. |
InChIKey | OUYCCCASQSFEME-QMMMGPOBSA-N |
CAS DataBase Reference | 60-18-4(CAS DataBase Reference) |
NIST Chemistry Reference | Tyrosine(60-18-4) |
EPA Substance Registry System | L-Tyrosine (60-18-4) |
Use:
L-Tyrosine is one of the 22 proteinogenic amino acids that are used by cells to synthesize proteins. L-Tyrosine is biologically converted from L-phenylalanine and is in turn is converted to L-DOPA and further converted into the neurotransmitters: dopamine, norepinephrine, and epinephrine.


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Established | December 18, 2014 | ||
Address | Building No.3, Area 6, No.188, West of South Forth Ring Rd, Beijing, China | ||
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About Beijing United Information Technology Co., Ltd.
Beijing United Information Technology Co., Ltd. (Stock Code: 603613. SH), founded in 2002 and listed on the Main Board in July 2019, is mainly engaged in industrial e-commerce and industrial Internet platforms. Based on industrial e-commerce and supported by industrial big data and industrial digitalization, the company provides online commodity trading, business information services and digital technology services of industrial products and raw materials for related industries. In terms of business model, it is called "the industrial version of Pinduoduo" and "the industrial version of JD.com".
About Beijing TDD E-commerce Co., Ltd.
Beijing TDD E-commerce Co., Ltd. (shortly named TDD Global) is the core subsidiary of Guolian Corporation (Stock Code: 603613.SH) and the first industrial Internetplatform of Duoduo Series Platforms. The company mainly engages in B28 e-commerce transaction serices of raw material and industrial products, digital supply chain serices, industrial digitalization serices and industrial big data serices, and is committed to promoting the deep integration of traditional industries and new technologies such as the Internet, Internet of Things, big data, intelligent manufacturing and block chain, etc.
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