Natrol 5-HTP, Fast Dissolve, Mixed Berry, 100 mg, 30 Tablets supplement bottle
Natrol

5-HTP, Fast Dissolve, Mixed Berry, 100 mg, 30 Tablets

What We Researched
1 active ingredient analyzed · 11 inactive ingredients decoded · 4 brand certifications checked · 3 retailers compared · Last updated: Mar 2026
75
Product Score Fair
85
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
5-HTP (5-Hydroxytryptophan) (from Griffonia simplicifolia) (seed) 100 mg *
Bioavailability Excellent

Absorption Rating

  • 5-HTP (5-Hydroxytryptophan) (from Griffonia simplicifolia) (seed) Good
Other Ingredients Excellent

Fillers & Additives

  • Xylitol
  • Dextrin
  • Soy polysaccharides
  • Crospovidone
  • Cellulose Gum
  • Silicon Dioxide
  • Stearic Acid
  • Magnesium Stearate
  • Beet root extract (color)
  • Citric Acid
  • Natural Flavor
Efficacy Very Poor

Dosage Analysis

  • 5-HTP (5-Hydroxytryptophan) (from Griffonia simplicifolia) (seed) 100 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
5-HTP (5-Hydroxytryptophan) (from Griffonia simplicifolia) (seed) 100 mg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Xylitol Safe

Provides sweetness with reduced calorie content. Does not promote tooth decay.

Dextrin Generally_safe

It is used as a filler, binder, or coating agent.

Soy polysaccharides Unknown
Crospovidone Generally_safe

It is used as a binder to help tablets or capsules disintegrate.

Cellulose Gum Safe

Thickens and stabilizes supplement formulations.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Beet root extract (color) Unknown
Citric Acid Safe

Adds tartness and acts as a natural preservative. Also aids in ingredient stability.

Natural Flavor Safe

Improves taste of chewable, gummy, or liquid supplements.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$18$17$15$14$12 Mar 12 $16.00$14.39
iHerb
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
Natrol

Founded 1980 · Chatsworth, California, USA · 63 products · natrol.com

Certifications

4 certifications
Consumerlab Verified Source
Npa Gmp Verified Source
Fda Gmp Inspections Verified Source
Nsf Gmp Verified Source

Transparency

4 claims
Third Party Testing Claim — Verified Source
Testing Lab Disclosure — Claimed Source
In House Testing — Verified Source

Violation History

8 incidents
Lawsuit Marketing Relax+ Ultimate Calm as a treatment for anxiety.RecentSource
Lawsuit Falsely advertising '100% Drug-Free' on Liquid Melatonin which allegedly contains ethyl alcohol.2021Source
Lawsuit False and deceptive claims about the memory-improving capabilities of Cognium supplements.2021Source
Fda Warning Public health warning against the purchase and consumption of unregistered food supplements.2020-07-21Source
Lawsuit Claims that their biotin products were ineffective.2017Source
Lawsuit Falsely advertising the joint health benefits of their glucosamine and chondroitin products.2013Source
Lawsuit Deceptive marketing claims regarding L-Arginine supplements.2013Source
Prop 65 Not specified in the article2002-04-22Source
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Frequently Asked Questions
Is Natrol 5-HTP, Fast Dissolve a good supplement?

Natrol 5-HTP, Fast Dissolve, Mixed Berry, 100 mg, 30 Tablets 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 30 servings per container. Of the 11 inactive ingredients, 7 are rated safe and 0 are flagged for review. The manufacturer, Natrol, holds a brand trust score of 85/100 with 4 verified certifications including Consumerlab, Npa Gmp, Fda Gmp Inspections, Nsf Gmp.

What are the ingredients in Natrol 5-HTP, Fast Dissolve?

Natrol 5-HTP, Fast Dissolve contains 1 active ingredients: 5-HTP (5-Hydroxytryptophan) (from Griffonia simplicifolia) (seed) (100 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Natrol 5-HTP, Fast Dissolve safe to take?

Natrol 5-HTP, Fast Dissolve, Mixed Berry, 100 mg, 30 Tablets 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 Natrol a trustworthy supplement brand?

Natrol receives a brand trust score of 85/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1980 and headquartered in Chatsworth, California, USA, the company offers 63 products in their lineup. They hold 4 verified certifications including Consumerlab, Npa Gmp, Fda Gmp Inspections, Nsf Gmp. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Natrol has 8 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.