Nutricost 5-HTP Powder Unflavored, 300 mg, 0.9 oz supplement bottle
Nutricost

5-HTP Powder Unflavored, 300 mg, 0.9 oz

What We Researched
1 active ingredient analyzed · 5 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
100
Product Score Excellent
81
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
5-HTP (5-Hydroxytryptophan) 300 mg *
Bioavailability Excellent

Absorption Rating

  • 5-HTP (5-Hydroxytryptophan) Good
Other Ingredients Excellent

Fillers & Additives

No inactive ingredient data available.

Efficacy Excellent

Dosage Analysis

  • 5-HTP (5-Hydroxytryptophan) 300 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
5-HTP (5-Hydroxytryptophan) 300 mg *

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$18$17$16$15$14 Mar 12 $15.95
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
Nutricost

Founded 2012 · Vineyard, Utah, USA · 897 products · nutricost.com

Certifications

5 certifications
Consumerlab Verified Source
Labdoor Verified Source
Nsf Gmp Verified Source
Usda Organic Verified Source
Fda Gmp Inspections Verified Source

Transparency

3 claims
Third Party Testing Claim — Claimed Source
In House Testing — Verified Source

Violation History

4 incidents
Fda Warning Unregistered food product2024-08-23Source
Prop 65 Lead2023-12-19Source
Lawsuit Misleading advertising regarding the magnesium content in its magnesium glycinate supplement.2023Source
Lawsuit Mislabeled calorie content and undisclosed artificial flavoring in supplement powders.2022Source
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Frequently Asked Questions
Is Nutricost 5-HTP Powder Unflavored, 300 mg a good supplement?

Nutricost 5-HTP Powder Unflavored, 300 mg, 0.9 oz received a product quality score of 100/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 1 active ingredients with 83 servings per container. The manufacturer, Nutricost, holds a brand trust score of 81/100 with 5 verified certifications including Consumerlab, Labdoor, Nsf Gmp, Usda Organic.

What are the ingredients in Nutricost 5-HTP Powder Unflavored, 300 mg?

Nutricost 5-HTP Powder Unflavored, 300 mg contains 1 active ingredients: 5-HTP (5-Hydroxytryptophan) (300 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Nutricost 5-HTP Powder Unflavored, 300 mg safe to take?

Nutricost 5-HTP Powder Unflavored, 300 mg, 0.9 oz 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 Nutricost a trustworthy supplement brand?

Nutricost receives a brand trust score of 81/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2012 and headquartered in Vineyard, Utah, USA, the company offers 897 products in their lineup. They hold 5 verified certifications including Consumerlab, Labdoor, Nsf Gmp, Usda Organic. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Nutricost has 4 historical regulatory incidents on record, which are factored into the trust score.

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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.