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L-Tryptophan 500 mg

Advanced Nutrition by Zahler
4.6
★ ★ ★ ★ ★
(140 ratings)
Tryptophan 500 mg
Product Image
Score95

A well-formulated tryptophan supplement with niacin to optimize serotonin synthesis and mood support.

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

Score 95

A well-formulated tryptophan supplement with niacin to optimize serotonin synthesis and mood support.

How scoring works
$19.47($0.32 per serving)
Pure Formulas
$ 19.47
Vitacost
$ 19.47
iHerb
$ 22.64
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Analysis

This formula includes 500 mg of L-tryptophan along with niacin, which helps direct the amino acid toward the brain's neurotransmitter pathways. This ensures that more of the tryptophan you take is actually available to support your mood and sleep cycles.

By preventing the 'niacin flush' pathway from using up your tryptophan, this supplement offers a more optimized approach to emotional balance. It is a well-designed choice for patients seeking efficient neurotransmitter maintenance.

Pros

  • Includes niacin for better conversion
  • Supports serotonin and sleep
  • Targeted neurotransmitter focus
  • Highly transparent label

Cons

  • Higher price than plain tryptophan
  • Fewer capsules per bottle
  • Vitamin B3 can cause sensitivity

Warnings

  • Monitor for skin flushing from niacin
  • Take with water away from protein
  • Best used in the evening

Nutrient quality

96 Highest impact

Inclusion of Vitamin B3 as a cofactor enhances the metabolic pathway for serotonin production. Hydrochloride forms and standard aminos are balanced for effective neurological support.

Ingredient transparency

100 Highest impact

Labeling clearly identifies both active components and their precise milligram amounts. Transparent information regarding usage and non-active components supports safe and effective supplementation.

Customer satisfaction

93 Highest impact

Strong user ratings across hundreds of reviews confirm the product's quality and efficacy. Feedback consistently highlights the positive influence on emotional stability and nighttime relaxation.

Value for money

87 Highest impact

A moderate cost per serving is justified by the inclusion of a vital cofactor for metabolic efficiency. Synergistic formulation provides meaningful value for users seeking targeted brain support.

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Goals

Sleep Support
Impact
Highest effect
A Goal FitA+ Strength of SupportB- CoverageA+ Formula Quality

L-tryptophan and vitamin B3 are the primary actives, serving as direct precursors for the natural production of serotonin and melatonin. This amino acid support appears well aligned with regulating sleep architecture.

A standard 500 mg dose is included, which matches clinical targets for effective supplementation. Including niacin supports the metabolic pathway to ensure the amino acid is utilized for neurotransmitter synthesis.

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

L-tryptophan and niacin work together to support the body's natural production of serotonin for mood stability and emotional health. Niacin acts as a cofactor and ensures that tryptophan is prioritized for neurotransmitter synthesis rather than energy production.

This meaningfully dosed amino acid appears well aligned with goals for maintaining a steady and balanced mood. Consistent use may contribute to better emotional resilience and improved sleep quality over time.

View goal →
Stress Relief
Impact
Highest effect
A- Goal FitA+ Strength of SupportB- CoverageA+ Formula Quality

L-Tryptophan and Vitamin B3 (Niacin) are combined to support the synthesis of serotonin, a key neurotransmitter for mood regulation and emotional stress relief. Providing 500mg of Tryptophan ensures a therapeutic dose for supporting a calm and balanced mental state.

The inclusion of Vitamin B3 is a strategic choice to minimize the diversion of Tryptophan into other metabolic pathways, thereby maximizing its availability for brain support. This focused approach is well-suited for individuals seeking to manage stress through the serotonergic pathway.

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Ingredients

IngredientAmount per serving
Vitamin B3
8.3 mg
L-Tryptophan
500 mg
Gluten Free Adults 18–50 Kosher Dairy Free Vegetarian
Report overview
Tryptophan · 500 mg OverallScore91
A- Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyB+ Value
This formula provides the standard 500mg dose of L-Tryptophan along with Niacin (B3) to prevent the Tryptophan from being diverted away from serotonin production. It is a well-designed product for efficient brain support.
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L-Tryptophan 500 mg

Life Extension
4.7
★★★★★
(1743 ratings)
Consistently high scores for customer satisfaction and reliable manufacturing make this a premier choice. It provides a focused, pharmaceutical-grade precursor without extra additives for consistent neurological support.
Other sellers (2)
95 Value

L-Tryptophan Powder

NOW
4.3
★★★★★
(557 ratings)
A high-purity powder format is excellent for individuals looking to customize their serving size for sleep or mood. It offers superior bioavailability and a very clean profile at a cost-effective price point.
Other sellers (5)
93 Value

L-Tryptophan 500 mg

Bluebonnet
4.6
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(441 ratings)
Clear label disclosure and high-quality capsule manufacturing provide a solid foundation for daily use. This product offers a reliable maintenance dose of the amino acid for mood and sleep regulation.
Other sellers (3)
87 Performance

Optimized Tryptophan Plus

Life Extension
4.7
★★★★★
(1480 ratings)
This formula includes lysine and a specialized botanical blend that work alongside tryptophan to support healthy serotonin levels. The addition of niacinamide further assists the metabolic pathways required for mood and sleep.
Other sellers (2)
94 Performance

Sleep Nighttime Powder

youtheory
4.3
★★★★★
(171 ratings)
Using 3,000 mg of glycine alongside theanine and 5-HTP provides comprehensive support for restorative sleep. The rapid-absorption powder format ensures that these relaxation-inducing nutrients reach the system quickly.
Other sellers (2)
93 Performance

Serotonin Brain Food

NS Natural Stacks
4.7
★★★★★
(763 ratings)
Standardized rhodiola extract is combined with zinc and magnesium glycinate to support mental stamina under stress. This combination helps catalyze the conversion of amino acids into the neurotransmitters needed for mood stability.
Other sellers (0)
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