Natrol Mood Positive® 5-HTP, 50 Tablets supplement bottle
Natrol

Mood Positive® 5-HTP, 50 Tablets

What We Researched
6 active ingredients analyzed · 9 inactive ingredients decoded · 4 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
74
Product Score Fair
85
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin B6 (from Pyridoxine Hydrochloride) 10 mg 590%
Folate (DFE) 333 mcg 80%
Folic Acid 200 mcg —
Vitamin B12 (Cyanocobalamin) 50 mcg 2080%
5-HTP (5-Hydroxytryptophan)(derived fromGriffonia simplicifolia) (seed) 50 mg *
Suntheanine® L-Theanine 50 mg *
Bioavailability Good

Absorption Rating

  • Vitamin B6 (from Pyridoxine Hydrochloride) Fair
  • Folate (DFE) Fair
  • Folic Acid Fair
  • Vitamin B12 (Cyanocobalamin) Fair
  • 5-HTP (5-Hydroxytryptophan)(derived fromGriffonia simplicifolia) (seed) Good
  • Suntheanine® L-Theanine Good
Other Ingredients Excellent

Fillers & Additives

  • Dibasic Calcium Phosphate
  • Microcrystalline Cellulose
  • Stearic Acid
  • Hypromellose
  • Silicon Dioxide
  • Magnesium Stearate
  • Cellulose Gum
  • Methylcellulose
  • Glycerin
Efficacy Poor

Dosage Analysis

  • Vitamin B6 (from Pyridoxine Hydrochloride) 10 mg Effective
  • Folate (DFE) 333 mcg Under-dosed
  • Folic Acid 200 mcg Under-dosed
  • Vitamin B12 (Cyanocobalamin) 50 mcg Effective
  • 5-HTP (5-Hydroxytryptophan)(derived fromGriffonia simplicifolia) (seed) 50 mg Under-dosed
  • Suntheanine® L-Theanine 50 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin B6 (from Pyridoxine Hydrochloride) 10 mg 590%
Folate (DFE) 333 mcg 80%
Folic Acid 200 mcg
Vitamin B12 (Cyanocobalamin) 50 mcg 2080%
5-HTP (5-Hydroxytryptophan)(derived fromGriffonia simplicifolia) (seed) 50 mg *
Suntheanine® L-Theanine 50 mg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Dibasic Calcium Phosphate Generally_safe

It is used as a filler and to improve tablet hardness.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Hypromellose Safe

Forms vegetarian capsule shells. Dissolves easily in the stomach.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Cellulose Gum Safe

Thickens and stabilizes supplement formulations.

Methylcellulose Generally_safe

It is used as a thickener or binder.

Glycerin Safe

Retains moisture and helps dissolve ingredients in softgels and liquids.

Price Comparison

Vitacost $14.99 $0.30 / serving
Best Price

Price History

Tracked across major retailers. Updated periodically.

$17$16$15$14$13 Mar 12 $14.99
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 Mood Positive® 5-HTP, 50 Tablets a good supplement?

Natrol Mood Positive® 5-HTP, 50 Tablets received a product quality score of 74/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 6 active ingredients with 50 servings per container. Of the 9 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 Mood Positive® 5-HTP, 50 Tablets?

Natrol Mood Positive® 5-HTP, 50 Tablets contains 6 active ingredients: Vitamin B6 (from Pyridoxine Hydrochloride) (10 mg), Folate (DFE) (333 mcg), Folic Acid (200 mcg), Vitamin B12 (Cyanocobalamin) (50 mcg), 5-HTP (5-Hydroxytryptophan)(derived fromGriffonia simplicifolia) (seed) (50 mg), Suntheanine® L-Theanine (50 mg). Notable high-dose ingredients include Vitamin B6 at 590% DV, Vitamin B12 at 2080% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Natrol Mood Positive® 5-HTP, 50 Tablets safe to take?

Natrol Mood Positive® 5-HTP, 50 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.