Net Contents
60 Vegetarian Capsule(s)
Serving Size
2 Vegetarian Capsule(s)
Servings Per Container
30
Supplement Form
Capsule
Bar Code (UPC/SKU)
0 68958 02803 3
Product Version
R2
Label Analysis
Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.
2 distinct active ingredients are disclosed in Supplement Facts.
Every active ingredient discloses a specific amount per serving.
1 ingredients report an established %DV per serving.
Label states: Vegan, Vegetarian, Non-GMO, Gluten-Free.
This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.
Allergen Guide
Contains
- Egg
- Fish
- Shellfish
- Tree Nuts
- Wheat
- Soy
- Gluten
Free From
- Milk
Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.
Supplement Facts
Serving Size: 2 Vegetarian Capsule(s) · 3 per day
| Ingredient | Amount Per Serving | % Daily Value |
|---|---|---|
| Calcium(Dicalcium Phosphate) | 50 mg | 4% |
| L-Tyrosine | 1000 mg | — |
Not Present
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Suggested Usage: 2 capsules 3 times per day or as directed by a health professional.
Warnings & Precautions
Precautions re: Pregnant or Nursing or Prescription Medications
Cautions: As with any supplement, consult your health professional before use if you are pregnant, breastfeeding, or trying to conceive, or if you are taking medication, have a medical condition, or anticipate a surgery.
Precautions re: Children
Keep out of the reach of children.
Precautions re: All Other
Sealed for your protection. Do not use if seal is broken.
Storage
Storage
For freshness, store in a cool, dry place.
Formulation
Formula re: Contains
L-Tyrosine plays an important role in producing dopamine and noradrenaline, which are helpful for stress management.
Formulation re: Other
It helps transform fats into energy and promotes normal and healthy brain function including memory and concentration. It also supports normal muscle movement. Natural Factors amino acids are the highest quality pharmaceutical grade products available. Manufactured by Natural Factors to ensure safety and potency in accordance with Good Manufacturing Practices (GMP) of the FDA and Health Canada.
Formulation re: Does NOT Contain
Contains no artificial colors, preservatives, or sweeteners; no dairy, starch, sugar, wheat, gluten, yeast, soy, corn, egg, fish, shellfish, animal products, salt, tree nuts, or GMOs.
Formulation re: Vegetarian/Vegan
Suitable for vegetarians/vegans.
Formula re: Contains
Free form amino acid
Formulation re: Other
Stress management
FDA Statements
FDA Disclaimer Statement
This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
FDA Statement of Identity
Dietary Supplement
Other Label Statements
Seals/Symbols
isura Non-GMO - Mass Spec Documentation Lab tested
General Statements: All Other Content
Product of Canada. Recyclable container and label.
Seals/Symbols
Purity & Potency Guaranteed
Manufacturer & Distributor
Manufacturer
Natural Factors Canada
Distributor
Natural Factors
14224 167th Avenue SE, Monroe, WA, 98272
Market Reference
Natural Factors L- Tyrosine 500mg 240 Veggie Capsules
The Vitamin Shop4.8(1200)$19.48Natural Factors L-Tyrosine 500 mg 60 Vegetarian Capsules
GoSupps.com4.8(1200)$34.99Now Supplements, L-Tyrosine 500 mg, Supports Mental Alertness*, Neurotransmitter Support*, 120 Capsules
Walmart4.5(36)$13.99Nature's Craft L-Tyrosine
Target4.8(154)$25.99Pure Encapsulations L- Tyrosine 90 Capsules
Pure Prescriptions4.7(56)$34.00Nutricost L- Tyrosine 500mg 180 Capsules (2 Bottles)
Target4.8(197)$14.95Force Factor L- Tyrosine 500 mg 120 Vegetable Capsules
iHerb4.8(362)$8.99Natural Factors L- Tyrosine
Wellness Supplements2.0(1)$40.91
Where to Buy Locally
Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.
Showing representative supplement & health retailers — search above for stores in your area.
PrimeBody (Arroios)
4.9 (194)Vitamin & supplements store
R. Passos Manuel 83B, 1150-258 Lisboa
NutriLx Store
4.9 (135)Vitamin & supplements store
Loja 1 dentro da Estação Metro Campo Pequeno, Av. da República 63B, 1050-189 Lisboa
MySuplementos
4.6 (142)Vitamin & supplements store
R. Shopping loja nº 240, 4520-625
My Formula - Suplementação Personalizada
5.0 (47)Vitamin & supplements store
R. David de Sousa 27B, 1000-246 Lisboa
nutry4ALL
4.2 (27)Vitamin & supplements store
Av. Duque de Loulé 45 A, 1050-086 Lisboa
DietSport-Lisboa
4.4 (35)Vitamin & supplements store
Centro Comercial Martim Moniz 1°piso Praça Martim Moniz Lj D3, 1100-341 Lisboa
Enetural
4.3 (47)Vitamin & supplements store
Rua dos, R. Bem Lembrados 141, Manique, 2645-471 Alcabideche
LM Suplementos
5.0 (86)Vitamin & supplements store
R. dos Correios 99, 2870-312 Montijo
Research & Studies
Effect of tyrosine supplementation on clinical and healthy populations under stress or cognitive demands—A review
BJ Jongkees, B Hommel, S Kühn, LS Colzato - Journal of psychiatric …, 2015 - Elsevier
… The potential of using TYR supplementation to treat clinical … Likewise, the potential of TYR supplementation for … function is mediated by many other factors. In contrast, TYR does seem to …
2015262 citationsNo effect of oral tyrosine on total tyrosine levels in breast milk: implications for dietary supplementation in early postpartum
Y Dowlati, AV Ravindran, M Maheux… - … mental health, 2014 - search.proquest.com
… supplements. Tyrosine capsules were obtained from Trophic Canada and each capsule contained 500 mg of L-tyrosine (approved by Health … as a between-subject factor in the analysis. …
201413 citationsBehavioral and cognitive effects of tyrosine intake in healthy human adults
A Hase, SE Jung, M aan het Rot - Pharmacology Biochemistry and …, 2015 - Elsevier
… on nutritional factors to augment their … supplement containing a mixture of different amino acids (Strüder et al., 1998). One relevant neurotransmitter precursor is the amino acid l-tyrosine …
2015140 citationsTyrosine for mitigating stress and enhancing performance in healthy adult humans, a rapid evidence assessment of the literature
S Attipoe, SA Zeno, C Lee, C Crawford… - Military …, 2015 - academic.oup.com
… Produced in the liver and to some extent the brain, l-tyrosine is synthesized via hydroxylation of phenylalanine, an essential amino acid. Furthermore, l-tyrosine is the precursor of the …
201575 citationsAntioxidants reverse the changes in energy metabolism of rat brain after chronic administration of L.-tyrosine
BP Teodorak, G Scaini, M Carvalho-Silva… - Metabolic brain …, 2017 - Springer
… The absence or dysfunction of these enzymes leads to elevated blood level of tyrosine and its byproducts, whose accumulation leads to serious health problems. There are three types …
201723 citations… -3 fatty acid supplementation can prevent changes in mitochondrial energy metabolism and oxidative stress caused by chronic administration of L-tyrosine in the brain …
M Carvalho-Silva, LM Gomes, ML Gomes… - Metabolic brain …, 2019 - Springer
… Chronic administration of L-tyrosine causes a decrease in the … Moreover, in the striatum, L-tyrosine administration caused a … We also observed that the high levels of L-tyrosine are …
201920 citations
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2020-05-22. DSLD Label ID: 220434. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.
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