Number One Nutrition 5-HTP, 200 mg supplement bottle
Number One Nutrition

5-HTP, 200 mg

What We Researched
2 active ingredients analyzed · 2 inactive ingredients decoded · 1 retailer compared · Last updated: Mar 2026
81
Product Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Calcium (as Calcium Carbonate) 328mg 25%
5-Hydroxytryptophan (from Griffonia simplicifolia seed extract) 200mg **
Bioavailability Very Good

Absorption Rating

  • Calcium (as Calcium Carbonate) Fair
  • 5-Hydroxytryptophan (from Griffonia simplicifolia seed extract) Good
Other Ingredients Excellent

Fillers & Additives

  • Gelatin (Capsule)
  • Magnesium Stearate
Efficacy Fair

Dosage Analysis

  • Calcium (as Calcium Carbonate) 328mg Under-dosed
  • 5-Hydroxytryptophan (from Griffonia simplicifolia seed extract) 200mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Calcium (as Calcium Carbonate) 328mg 25%
5-Hydroxytryptophan (from Griffonia simplicifolia seed extract) 200mg **

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Gelatin (Capsule) Safe

It is used as a material for making capsules.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Price Comparison

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

Brand Trust Report
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Frequently Asked Questions
Is Number One Nutrition 5-HTP, 200 mg a good supplement?

Number One Nutrition 5-HTP, 200 mg received a product quality score of 81/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 2 active ingredients with 60 servings per container. All 2 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives.

What are the ingredients in Number One Nutrition 5-HTP, 200 mg?

Number One Nutrition 5-HTP, 200 mg contains 2 active ingredients: Calcium (as Calcium Carbonate) (328mg), 5-Hydroxytryptophan (from Griffonia simplicifolia seed extract) (200mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Number One Nutrition 5-HTP, 200 mg safe to take?

Number One Nutrition 5-HTP, 200 mg has been analyzed for ingredient safety across all its components. All 2 inactive ingredients — including capsule materials, fillers, and binders — are rated safe based on regulatory data and published safety research. This is a clean formulation with no controversial additives. 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.