L-Tryptophan, 60 Vegetarian Capsules
Product Analysis
Transparency Excellent
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Vitamin B6 (as pyridoxal-5- phosphate) | 6.7 mg | * |
| L-Tryptophan (as TyrptoPure®) | 1000 mg | * |
Bioavailability Very Good
Absorption Rating
- Vitamin B6 (as pyridoxal-5- phosphate) Fair
- L-Tryptophan (as TyrptoPure®) Good
Other Ingredients Excellent
Fillers & Additives
- Hydroxypropyl methycellulose (capsule)
Efficacy Excellent
Dosage Analysis
- Vitamin B6 (as pyridoxal-5- phosphate) 6.7 mg Effective
- L-Tryptophan (as TyrptoPure®) 1000 mg Effective
Supplement Facts
| Ingredient | Amount | % Daily Value |
|---|---|---|
| Vitamin B6 (as pyridoxal-5- phosphate) | 6.7 mg | * |
| L-Tryptophan (as TyrptoPure®) | 1000 mg | * |
Other Ingredients
Price Comparison
Price History
Tracked across major retailers. Updated periodically.
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Certifications
5 certifications
Transparency
4 claims
Is Douglas Laboratories L-Tryptophan, 60 Vegetarian Capsules a good supplement?
Douglas Laboratories L-Tryptophan, 60 Vegetarian Capsules received a product quality score of 93/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 2 active ingredients with 30 servings per container. Of the 1 inactive ingredients, 0 are rated safe and 0 are flagged for review. The manufacturer, Douglas Laboratories, holds a brand trust score of 95/100 with 5 verified certifications including Consumerlab, Fda Gmp Inspections, Nsf Certified For Sport, Nsf Gmp.
What are the ingredients in Douglas Laboratories L-Tryptophan, 60 Vegetarian Capsules?
Douglas Laboratories L-Tryptophan, 60 Vegetarian Capsules contains 2 active ingredients: Vitamin B6 (as pyridoxal-5- phosphate) (6.7 mg), L-Tryptophan (as TyrptoPure®) (1000 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.
Is Douglas Laboratories L-Tryptophan, 60 Vegetarian Capsules safe to take?
Douglas Laboratories L-Tryptophan, 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.
Is Douglas Laboratories a trustworthy supplement brand?
Douglas Laboratories receives a brand trust score of 95/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1955 and headquartered in Pittsburgh, Pennsylvania, United States, the company offers 32 products in their lineup. They hold 5 verified certifications including Consumerlab, Fda Gmp Inspections, Nsf Certified For Sport, Nsf Gmp. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Douglas Laboratories has 2 historical regulatory incidents on record, which are factored into the trust score.
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