Natural Balance L-Tryptophan, 500 mg, 60 Vegetarian Capsules supplement bottle
Natural Balance

L-Tryptophan, 500 mg, 60 Vegetarian Capsules

What We Researched
1 active ingredient analyzed · 3 inactive ingredients decoded · 1 brand certification checked · 2 retailers compared · Last updated: Mar 2026
75
Product Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
L-Tryptophan 500 mg *
Bioavailability Excellent

Absorption Rating

  • L-Tryptophan Good
Other Ingredients Excellent

Fillers & Additives

  • Vegetable Cellulose Capsule
  • Magnesium Stearate
  • Cellulose and silica
Efficacy Very Poor

Dosage Analysis

  • L-Tryptophan 500 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
L-Tryptophan 500 mg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Vegetable Cellulose Capsule Safe

Vegetarian/vegan capsule shell.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Cellulose and silica Unknown

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$32$31$30$29$28 Mar 12 $29.69
Vitacost

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Natural Balance

Founded 1983 · Salt Lake City, UT, USA · 42 products · naturalbalance.com

Certifications

1 certification
Nsf Gmp Verified Source
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Frequently Asked Questions
Is Natural Balance L-Tryptophan, 500 mg a good supplement?

Natural Balance L-Tryptophan, 500 mg, 60 Vegetarian Capsules received a product quality score of 75/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 1 active ingredients with 60 servings per container. Of the 3 inactive ingredients, 2 are rated safe and 0 are flagged for review.

What are the ingredients in Natural Balance L-Tryptophan, 500 mg?

Natural Balance L-Tryptophan, 500 mg contains 1 active ingredients: L-Tryptophan (500 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Natural Balance L-Tryptophan, 500 mg safe to take?

Natural Balance L-Tryptophan, 500 mg, 60 Vegetarian Capsules has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.