NOW Melatonin 1 mg supplement bottle
NOW

Melatonin 1 mg

What We Researched
4 active ingredients analyzed · 5 inactive ingredients decoded · 5 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
85
Product Score Good
89
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Niacin (as Niacinamide) 100 mg 500%
Vitamin B6 (as Pyridoxine Hydrochloride) 5 mg 250%
Magnesium (as Magnesium Citrate) 40 mg 10%
Melatonin 1 mg
Bioavailability Very Good

Absorption Rating

  • Niacin (as Niacinamide) Good
  • Vitamin B6 (as Pyridoxine Hydrochloride) Fair
  • Magnesium (as Magnesium Citrate) Good
  • Melatonin Fair
Other Ingredients Excellent

Fillers & Additives

  • Calcium Carbonate
  • Cellulose
  • Stearic Acid
  • Magnesium Stearate
  • Vegetable Coating
Efficacy Good

Dosage Analysis

  • Niacin (as Niacinamide) 100 mg High
  • Vitamin B6 (as Pyridoxine Hydrochloride) 5 mg Effective
  • Magnesium (as Magnesium Citrate) 40 mg Under-dosed
  • Melatonin 1 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Niacin (as Niacinamide) 100 mg 500%
Vitamin B6 (as Pyridoxine Hydrochloride) 5 mg 250%
Magnesium (as Magnesium Citrate) 40 mg 10%
Melatonin 1 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Calcium Carbonate Safe

Acts as a filler and provides supplemental calcium.

Cellulose Safe

Provides bulk and structure in tablets and capsules.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Vegetable Coating Safe

It is used to coat tablets or capsules for easier swallowing.

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
NOW

Founded 1968 · Bloomingdale, Illinois, USA · 53 products · nowfoods.com

Certifications

5 certifications
Informed Sport Verified Source
Npa Gmp Verified Source
Fda Gmp Inspections Verified Source
Non Gmo Project Verified Source
Usda Organic Verified Source

Transparency

3 claims
Third Party Testing Claim — Verified Source
Testing Lab Disclosure — Claimed
In House Testing — Verified Source
Related Supplements
Frequently Asked Questions
Is NOW Melatonin 1 mg a good supplement?

NOW Melatonin 1 mg received a product quality score of 85/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 4 active ingredients All 5 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, NOW, holds a brand trust score of 89/100 with 5 verified certifications including Informed Sport, Npa Gmp, Fda Gmp Inspections, Non Gmo Project.

What are the ingredients in NOW Melatonin 1 mg?

NOW Melatonin 1 mg contains 4 active ingredients: Niacin (as Niacinamide) (100 mg), Vitamin B6 (as Pyridoxine Hydrochloride) (5 mg), Magnesium (as Magnesium Citrate) (40 mg), Melatonin (1 mg). Notable high-dose ingredients include Niacin at 500% DV, Vitamin B6 at 250% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is NOW Melatonin 1 mg safe to take?

NOW Melatonin 1 mg has been analyzed for ingredient safety across all its components. All 5 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.

Is NOW a trustworthy supplement brand?

NOW receives a brand trust score of 89/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1968 and headquartered in Bloomingdale, Illinois, USA, the company offers 53 products in their lineup. They hold 5 verified certifications including Informed Sport, Npa Gmp, Fda Gmp Inspections, Non Gmo Project. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. No regulatory violations or FDA warning letters were found in our research.

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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.