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L-Tryptophan Powder

NOW
4.4
(525 ratings)
Tryptophan 950 mg
Product Image
Score 30.0

This product suffers from critical data inconsistencies (powder name, liquid form) and lacks clear serving size/cost, making it confusing and poor value.

Quantity: 2 Liquid(s)Servings size: 2 tsp (0 servings)
Selected goals:
Other goals:
Mood Support
Stress Relief
Sleep Support

Score 30.0

This product suffers from critical data inconsistencies (powder name, liquid form) and lacks clear serving size/cost, making it confusing and poor value.

Analysis

This product is presented with significant contradictory information, making it difficult to assess its true nature and value. Despite being named 'L-Tryptophan Powder,' its form is specified as 'Liquid(s),' which is highly unusual for a pure L-Tryptophan supplement and creates confusion for consumers. Furthermore, the lack of defined servings and a 'pricePerServing' equal to the total price (13.90) means there is no clear per-dose cost, making direct value comparisons impossible against competitors who provide clear per-serving pricing. This ambiguity severely hinders a consumer's ability to confidently purchase or properly dose the product.

Pros
  • Offers a high dose of L-Tryptophan (950mg) per stated serving.
Cons
  • Conflicting product name ('Powder') and listed form ('Liquid').
  • No clear serving quantity or price per serving for value comparison.
  • Liquid form is less common for high dose L-Tryptophan and can be inconvenient for accurate dosing.
Warnings
  • Users should be aware of the conflicting product description (powder vs. liquid) which may lead to incorrect expectations about the product's physical form and usage.
  • The lack of defined servings also means accurate dosing could be challenging without further product instructions.
$13.90($13.90 per serving)
Daily Vita
$ 16.00
Amazon
$ 20.94
Pure Formulas
$ 21.42
Daily Vita
$ 13.90
Daily Vita
$ 16.00
iHerb
$ 22.03
Ingredients
IngredientAmount per serving
L-Tryptophan 950 mg
Gluten Free Adults 18–50 Vegan Dairy Free Vegetarian
Categories
Tryptophan 30.0
As a Tryptophan product, its core function is present, but the fundamental issues with product description and user guidance make it a very poor representative within the Tryptophan collection.
Goals
Mood Support 50.0
The 950mg dosage could be effective for mood support, but the ambiguous form and dosing instructions undermine its practical application for consistent benefit.
Stress Relief 50.0
While L-Tryptophan contributes to stress reduction, the product's unclear delivery method and value proposition make it less reliable for consistent stress management compared to clearer alternatives.
Sleep Support 50.0
A 950mg dose can be potent for sleep, but the product's fundamental data inconsistencies and liquid form (if truly liquid) raise questions about convenience and proper administration for sleep purposes.
95 Value

L-Tryptophan 1000 mg

AN Amazing Nutrition Amazing Formulas
4.5
(2545 ratings)
Offering a potent 1000mg dose at an exceptionally low price per serving (16), this product provides outstanding value, delivering more L-Tryptophan for significantly less cost compared to the analyzed product.
88 Value

L-Tryptophan 500 mg

Doctor's Best
4.5
(1931 ratings)
This alternative features the high-purity TryptoPure form of L-Tryptophan at a very competitive price per serving (19), representing excellent value for a reliable and quality single-ingredient supplement.
90 Value

Optimized Tryptophan Plus

Life Extension
4.6
(1307 ratings)
Despite being a more comprehensive formula with 1000mg L-Tryptophan and cofactors, its price per serving (26) is still dramatically lower than the analyzed product, offering significantly better overall value for enhanced support.
98 Performance

New Mood

Onnit
4.2
(6533 ratings)
Onnit's New Mood is a comprehensive blend designed for mood and sleep, including L-Tryptophan, 5-HTP, magnesium, B vitamins, and calming herbal extracts, offering a multi-faceted approach superior to a standalone L-Tryptophan product.
95 Performance

Serotonin Brain Food

NS Natural Stacks
4.7
(689 ratings)
This alternative provides a higher dose of L-Tryptophan (1250mg) along with essential co-factors like magnesium, zinc, niacin, and adaptogenic rhodiola, creating a more potent and synergistic formula for serotonin support.
90 Performance

Optimized Tryptophan Plus

Life Extension
4.6
(1307 ratings)
Life Extension's Optimized Tryptophan Plus offers a higher 1000mg dose of L-Tryptophan alongside niacin and L-lysine, which are important for its conversion and overall efficacy, making it a more 'optimized' choice.
95 Budget

L-Tryptophan 1000 mg

AN Amazing Nutrition Amazing Formulas
4.5
(2545 ratings)
This alternative offers double the dosage (1000mg) for an overwhelmingly lower price per serving (16 vs 1600), providing vastly superior value for core L-Tryptophan supplementation.
88 Budget

L-Tryptophan 500 mg

Doctor's Best
4.5
(1931 ratings)
Doctor's Best provides 500mg of L-Tryptophan using the high-quality TryptoPure form at a significantly lower price per serving (19 vs 1600), making it a much more accessible and reliable option.
90 Budget

Optimized Tryptophan Plus

Life Extension
4.6
(1307 ratings)
This alternative offers 1000mg of L-Tryptophan plus synergistic ingredients for a dramatically lower price per serving (26 vs 1600), providing a comprehensive and economical solution compared to the analyzed product.
95 Value

L-Tryptophan 1000 mg

AN Amazing Nutrition Amazing Formulas
4.5
(2545 ratings)
Offering a potent 1000mg dose at an exceptionally low price per serving (16), this product provides outstanding value, delivering more L-Tryptophan for significantly less cost compared to the analyzed product.
88 Value

L-Tryptophan 500 mg

Doctor's Best
4.5
(1931 ratings)
This alternative features the high-purity TryptoPure form of L-Tryptophan at a very competitive price per serving (19), representing excellent value for a reliable and quality single-ingredient supplement.
90 Value

Optimized Tryptophan Plus

Life Extension
4.6
(1307 ratings)
Despite being a more comprehensive formula with 1000mg L-Tryptophan and cofactors, its price per serving (26) is still dramatically lower than the analyzed product, offering significantly better overall value for enhanced support.
98 Performance

New Mood

Onnit
4.2
(6533 ratings)
Onnit's New Mood is a comprehensive blend designed for mood and sleep, including L-Tryptophan, 5-HTP, magnesium, B vitamins, and calming herbal extracts, offering a multi-faceted approach superior to a standalone L-Tryptophan product.
95 Performance

Serotonin Brain Food

NS Natural Stacks
4.7
(689 ratings)
This alternative provides a higher dose of L-Tryptophan (1250mg) along with essential co-factors like magnesium, zinc, niacin, and adaptogenic rhodiola, creating a more potent and synergistic formula for serotonin support.
90 Performance

Optimized Tryptophan Plus

Life Extension
4.6
(1307 ratings)
Life Extension's Optimized Tryptophan Plus offers a higher 1000mg dose of L-Tryptophan alongside niacin and L-lysine, which are important for its conversion and overall efficacy, making it a more 'optimized' choice.