Product Image

L-Tryptophan 1000 mg

AN Amazing Nutrition Amazing Formulas
4.7
★ ★ ★ ★ ★
(560 ratings)
Tryptophan 1000 mg
Product Image
Score96

A potent 1,000 mg tryptophan supplement for strong sleep and mood support in an affordable 60-count size.

How scoring works
Quantity:60 Tablet(s) • (60 servings)
Goals:
Mood Support
Sleep Support
Stress Relief

Score 96

A potent 1,000 mg tryptophan supplement for strong sleep and mood support in an affordable 60-count size.

How scoring works

Also available as

1 option
120 servings Tryptophan 1000 mg • 120 Tablet(s) • 120 servings $18.90 ($0.15 per serving)
$11.03($0.18 per serving)
Vitacost
$ 13.77
iHerb
$ 12.98
Report prices

Analysis

This supplement provides a strong dose of L-tryptophan to support the natural synthesis of serotonin, which helps regulate mood and stress. It also serves as a precursor to melatonin, contributing to more restful and consistent sleep patterns.

The 1,000 mg dose provides significant support for your body's serotonin pathways, which can be stressed by daily strain. This targeted tool is excellent for individuals prioritizing emotional stability and better nighttime rest.

Pros

  • Clinical-strength potency
  • Highly cost-effective
  • Focuses on dual sleep/mood pathways
  • Simple, effective formula

Cons

  • Tablet size can be difficult
  • May cause morning grogginess
  • Not ideal for sensitive stomachs

Warnings

  • Do not drive after taking
  • Discontinue if you feel nauseous
  • Take with a small carbohydrate snack

Nutrient quality

93 Highest impact

High-dose free-form tryptophan offers clinical-strength biological activity for serotonin-related goals. The 1000 mg amount provides deep support for neurological precursors in each serving.

Ingredient transparency

100 Highest impact

Labeling clearly states the high active dosage and provides precise naming for all components. Full disclosure of both active and non-active ingredients ensures safe and informed consumer use.

Customer satisfaction

95 Highest impact

High ratings across hundreds of reviews confirm the product's quality and efficacy. Feedback consistently highlights positive outcomes for mood balance and restorative sleep quality.

Value for money

97 Highest impact

Excellent value is achieved through a competitive price point for a clinical-strength amino acid dose. The focused formulation ensures that consumers receive high potency at an affordable cost.

Report analysis

Goals

Mood Support
Impact
Highest effect
A+ Goal FitA Strength of SupportC CoverageA+ Formula Quality

L-tryptophan serves as a direct precursor for serotonin synthesis, which is essential for emotional well-being and a stable mood. This meaningfully dosed amino acid supports the body's natural production of neurotransmitters that regulate happiness and relaxation.

Consistent use may contribute to better emotional stability and improved sleep quality, which is vital for mood maintenance. The formula is a high-potency option for those seeking focused serotonin support.

View goal →
Sleep Support
Impact
Highest effect
A- Goal FitA+ Strength of SupportC CoverageA+ Formula Quality

L-Tryptophan serves as a direct amino acid precursor for the natural synthesis of serotonin and melatonin within the body. This supports the biological pathways needed for mood regulation and the healthy timing of rest.

A clinical-strength dose of 1000mg provides substantial depth for promoting nocturnal tranquility. This single-ingredient profile is effective for individuals seeking support for their internal sleep-signaling systems without exogenous hormones.

View goal →
Stress Relief
Impact
Highest effect
B+ Goal FitA Strength of SupportC CoverageA+ Formula Quality

L-tryptophan is provided at a high dose of 1000 mg to support the production of serotonin, a neurotransmitter that regulates mood and helps the mind relax. This amino acid is a foundational precursor for both serotonin and melatonin, making it relevant for daytime calm and nighttime rest.

Providing a significant dose allows for meaningful contribution to the serotonin pathway, which is often stressed by chronic strain. It is a targeted tool for those prioritizing emotional stability and sleep support.

View goal →

Ingredients

IngredientAmount per serving
L-Tryptophan
1000 mg
Gluten Free Adults 18–50 Dairy Free Sugar Free
Report overview
Tryptophan · 1000 mg OverallScore83
C- Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value
Providing a strong 1000mg dose in each serving, this supplement is designed for maximum serotonin and melatonin support. It is a highly affordable option for consistent, high-potency use.
View ingredientView products
95 Value

L-Tryptophan Powder

NOW
4.3
★★★★★
(557 ratings)
The pure powder format allows for clinical dosing without extra additives, providing a high degree of versatility. It is a cost-effective way to get a significant amount of the amino acid in its most bioavailable form.
Other sellers (5)
95 Value

L-Tryptophan 500 mg

Life Extension
4.7
★★★★★
(1743 ratings)
Reputable quality control and high transparency make this a dependable choice for mood and sleep regulation. It provides a standard, pharmaceutical-grade precursor that is trusted by many users.
Other sellers (2)
96 Value

L-Tryptophan 500 mg

Jarrow Formulas
4.4
★★★★★
(1483 ratings)
Vegetable capsules and clear label transparency ensure a clean and effective product for daily support. It serves as an excellent foundation for those seeking a reliable maintenance dose of tryptophan.
Other sellers (5)
93 Performance

Serotonin Brain Food

NS Natural Stacks
4.7
★★★★★
(763 ratings)
Adding Rhodiola rosea and essential mineral cofactors like magnesium glycinate supports mental stamina and mood resilience. This multi-layered approach addresses neurotransmitter synthesis through several biological pathways.
Other sellers (0)
94 Performance

Sleep Nighttime Powder

youtheory
4.3
★★★★★
(171 ratings)
Fast-acting powder includes high-dose glycine and magnesium to support restful sleep and relaxation. The combination of amino acids and minerals targets multiple pathways to ensure deep neurological recovery.
Other sellers (2)
94 Performance

L-Tryptophan 500 mg

Advanced Nutrition by Zahler
4.6
★★★★★
(140 ratings)
Niacin is included to support efficient transport and to prevent the degradation of tryptophan for other purposes. This formulation helps ensure that the active ingredient reaches the brain more effectively for mood support.
Other sellers (2)
96 Budget

L-Tryptophan 1000 mg

AN Amazing Nutrition Amazing Formulas
4.5
★★★★★
(2630 ratings)
This potent 1000 mg serving in tablet form is highly efficient for individuals needing clinical-strength support. It offers a very high milligram density per dose, making it a very economical option.
Other sellers (2)
96 Budget

L-Tryptophan 500 mg

Jarrow Formulas
4.4
★★★★★
(1483 ratings)
High-quality vegetable capsules offer a clean alternative for those who find tablets difficult to swallow. This formula maintains high purity standards while remaining cost-effective for daily neurotransmitter balance.
Other sellers (5)
95 Budget

L-Tryptophan 500 mg

Doctor's Best
4.5
★★★★★
(2089 ratings)
Utilizing pharmaceutical-grade TryptoPure provides a reliable baseline for enhancing sleep architecture. This source is highly refined, ensuring consistent bioactivity and safety for long-term mood support.
Other sellers (3)
95 Value

L-Tryptophan Powder

NOW
4.3
★★★★★
(557 ratings)
The pure powder format allows for clinical dosing without extra additives, providing a high degree of versatility. It is a cost-effective way to get a significant amount of the amino acid in its most bioavailable form.
Other sellers (5)
95 Value

L-Tryptophan 500 mg

Life Extension
4.7
★★★★★
(1743 ratings)
Reputable quality control and high transparency make this a dependable choice for mood and sleep regulation. It provides a standard, pharmaceutical-grade precursor that is trusted by many users.
Other sellers (2)
96 Value

L-Tryptophan 500 mg

Jarrow Formulas
4.4
★★★★★
(1483 ratings)
Vegetable capsules and clear label transparency ensure a clean and effective product for daily support. It serves as an excellent foundation for those seeking a reliable maintenance dose of tryptophan.
Other sellers (5)
93 Performance

Serotonin Brain Food

NS Natural Stacks
4.7
★★★★★
(763 ratings)
Adding Rhodiola rosea and essential mineral cofactors like magnesium glycinate supports mental stamina and mood resilience. This multi-layered approach addresses neurotransmitter synthesis through several biological pathways.
Other sellers (0)
94 Performance

Sleep Nighttime Powder

youtheory
4.3
★★★★★
(171 ratings)
Fast-acting powder includes high-dose glycine and magnesium to support restful sleep and relaxation. The combination of amino acids and minerals targets multiple pathways to ensure deep neurological recovery.
Other sellers (2)
94 Performance

L-Tryptophan 500 mg

Advanced Nutrition by Zahler
4.6
★★★★★
(140 ratings)
Niacin is included to support efficient transport and to prevent the degradation of tryptophan for other purposes. This formulation helps ensure that the active ingredient reaches the brain more effectively for mood support.
Other sellers (2)
Report alternatives