L-Tryptophan 1000 mg®
Amino Acids & ProteinBrand: Best Naturals
Functions
Net Contents
60 Tablet(s)
Serving Size
1 Tablet(s)
Servings Per Container
60
Supplement Form
Tablet or Pill
Bar Code (UPC/SKU)
8 17716 01583 5
Product Version
Not Present
Label Analysis
Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.
Single-ingredient formula listed in Supplement Facts.
Every active ingredient discloses a specific amount per serving.
Label states: 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
Free From
- Milk
- Egg
- Fish
- Wheat
- Soy
- Gluten
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: 1 Tablet(s) · 1–3 per day
| Ingredient | Amount Per Serving | |
|---|---|---|
| L-Tryptophan | 1000 mg | — |
Not Present
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Suggested Use: As a dietary supplement, take one (1) tablet one to three times daily on an empty stomach, with final dose at bedtime, or as directed by your qualified healthcare professional. Consider taking these other Best Naturals products: Inositol and Magnesium.
Warnings & Precautions
Precautions re: Children
Keep out of the reach of children.
Precautions re: All Other
Do not use if safety seal is broken or missing.
Precautions re: Pregnant or Nursing or Prescription Medications
Caution: For adults only, if you are pregnant, nursing, taking any medications or have any medical condition, consult your doctor before use.
Precautions re: All Other
Caution: For adults only, if you are pregnant, nursing, taking any medications or have any medical condition, consult your doctor before use. Discontinue use and consult your doctor if any adverse reactions occur.
Storage
Storage
Keep in cool, dry place.
Formulation
Formula re: Contains
L-Tryptophan is an essential amino acid; therefore, it is not synthesized by the body and must be obtained from the diet. L-Tryptophan is critical for the production of serotonin and melatonin, which help to support a positive mood, healthy sleep patterns, and immune system function. Best Naturals L-Tryptophan is extremely pure and is regularly tested to ensure the highest standards of quality. Certain research publications indicate that it may help support the following: Supports circulation & positive mood Supports relaxation & restful sleep Supports healthy immune function
Formulation re: Other
Premium formula
Formulation re: Other
3rd party lab tested
Formulation re: Does NOT Contain
No artificial color, flavor or sweetener, no preservatives, no sugar, no corn, no soy, no egg, no lactose, no gluten, no wheat, no fish, no yeast.
FDA Statements
FDA Disclaimer Statement
These statements have 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
Made in USA
Seals/Symbols
GMP Good Manufacturing Practice Product
General Statements: All Other Content
For additional information call 1-877-659-6004
Manufacturer & Distributor
Distributor
Best Naturals
PO Box 394, Kenilworth, NJ, 07033, USA
1-877-659-6004
Market Reference
Best Naturals L-Tryptophan mg 60
Best Naturals4.5(135)$10.99Brieofood L- Tryptophan 1000mg per Serving 240 Capsules
Walmart - Best Naturals$16.14L-Tryptophan Pure Encapsulations
Pure Prescriptions4.6(42)$72.50NOW Foods L- Tryptophan Double Strength 1000 mg 60 Tablets
Wonder Laboratories4.6(1400)$22.29L-Tryptophan with Vitamin B-6 1000 mg Source Naturals
iHerb4.8(76)$36.73Pure Naturals L- Tryptophan 1000mg Tablets
Walmart - Vitaminshub4.4(5)$9.99LowestVitamatic L- Tryptophan 1000mg 120 Tablets
Target4.7(384)$14.99Pure Naturals L- Tryptophan Dietary Supplement
Walmart - Vitaminshub5.0(1)$15.29
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.
STRONGER SUPLEMENTOS
5.0 (2)Vitamin & supplements store
R. Pinto Barreiro 74, 2580-499 Carregado
ProduNats
5.0 (4)Vitamin & supplements store
R. de Palha Blanco 86 Lj 9, 2600-667 Castanheira do Ribatejo
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
PrimeBody Nutrishop - Bela Vista
4.9 (185)Vitamin & supplements store
Avenida Francisco Salgado Zenha, 12,, Centro Comercial Pingo Doce da Bela Vista, 1900-238 Lisboa
DietSport-Lisboa
4.4 (35)Vitamin & supplements store
Centro Comercial Martim Moniz 1°piso Praça Martim Moniz Lj D3, 1100-341 Lisboa
Fontexplode (Odivelas)
4.9 (15)Vitamin & supplements store
Centro Comercial Oceano, Av. Dom Dinis 68-A Loja 13, 2675-328 Odivelas
Nutranyma
5.0 (206)Vitamin & supplements store
Tapada das Mercês, Av. Miguel Torga 72 Lj A, 2725-566 Algueirão-Mem Martins
Research & Studies
Protein source tryptophan versus pharmaceutical grade tryptophan as an efficacious treatment for chronic insomnia
C Hudson, SP Hudson, T Hecht… - Nutritional …, 2005 - Taylor & Francis
… myalgia syndrome (EMS), a serious medical condition that can result in fatality and its sale is … not clear with most cases arising from L-tryptophan supplied by Showa Denka KK in 1989 …
2005138 citationsRole of tryptophan in health and disease: Systematic review of the anti-oxidant, anti-inflammation, and nutritional aspects of tryptophan and its metabolites
RB Singh - World Heart Journal, 2019 - search.proquest.com
… L-Tryptophan is an essential amino acid that is needed for the synthesis of proteins and several important bioactive molecules such as serotonin, melatonin, kynurenine and niacin. It …
201960 citationsEffectiveness of Silymarin, Sulforaphane, Lycopene, Green Tea, Tryptophan, Glutathione, and Escin on Human Health: A Narrative Review.
F Sebastiani, C D'Alterio, C Vocca, L Gallelli… - Uro, 2023 - search.ebscohost.com
… effect of dietary supplementation with seven active principles, ie, lycopene, sulforaphane, silymarin, glutathione, escin, tryptophan, and green tea catechins, on human health. Methods: …
202310 citationsAnalysis, nutrition, and health benefits of tryptophan
M Friedman - International Journal of Tryptophan Research, 2018 - journals.sagepub.com
… Here, tryptophan refers to l-tryptophan and the isomeric form produced during food … in the absence of l-tryptophan; ie, the mice must meet the entire need for l-tryptophan from the d-…
2018402 citationsA systematic review of the effect of L-tryptophan supplementation on mood and emotional functioning
AM Kikuchi, A Tanabe, Y Iwahori - Journal of dietary supplements, 2021 - Taylor & Francis
… This systematic review includes 11 RCTs that examined the effects of TRP intake on positive and negative mood in healthy adult populations. We have targeted healthy adult men and …
2021109 citationsL-Tryptophan: Sources and Benefits
L Does, TMY Sleepy - qualialife.com
… that L-tryptophan has niacin equivalent activity in the body (ie, we can make NAD + molecules from it). L-tryptophan … not be considered medical advice. Please speak with an appropriate …
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2022-06-16. DSLD Label ID: 270649. 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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