NBI Sleep Relief, 60 Time-Release Tablets supplement bottle
NBI

Sleep Relief, 60 Time-Release Tablets

What We Researched
4 active ingredients analyzed · 6 inactive ingredients decoded · 4 brand certifications checked · 3 retailers compared · Last updated: Mar 2026
80
Product Score Good
76
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Niacin (as Niacinamide) 6 mg 38%
Vitamin B6 (as Pyridoxal-5-Phosphate) 6 mg 353%
Magnesium (as Magnesium Glycinate) 80 mg 19%
Proprietary BlendL-Tryptophan, Glycine, L-Theanine, Masson Pine (Pinus massoniana)bark extract, GABA (Gamma Aminobutyric Acid), Ashwagandha (Withaniasomnifera) whole plant extract, Hops (Humulus lupulus) flower extract,Jujube (Ziziphus jujuba) fruit extract, Skullcap (Scutellaria lateriflora) leafand stem extract, Magnolia (Magnolia officinalis) bark extract, Melatonin 1.13 g
Bioavailability Very Good

Absorption Rating

  • Niacin (as Niacinamide) Good
  • Vitamin B6 (as Pyridoxal-5-Phosphate) Good
  • Magnesium (as Magnesium Glycinate) Good
  • Proprietary BlendL-Tryptophan, Glycine, L-Theanine, Masson Pine (Pinus massoniana)bark extract, GABA (Gamma Aminobutyric Acid), Ashwagandha (Withaniasomnifera) whole plant extract, Hops (Humulus lupulus) flower extract,Jujube (Ziziphus jujuba) fruit extract, Skullcap (Scutellaria lateriflora) leafand stem extract, Magnolia (Magnolia officinalis) bark extract, Melatonin Fair
Other Ingredients Excellent

Fillers & Additives

  • Microcrystalline Cellulose
  • Hydroxypropylmethylcellulose
  • Stearic Acid
  • Magnesium Stearate
  • Croscarmellose Sodium
  • Silicon Dioxide
Efficacy Poor

Dosage Analysis

  • Niacin (as Niacinamide) 6 mg Under-dosed
  • Vitamin B6 (as Pyridoxal-5-Phosphate) 6 mg Effective
  • Magnesium (as Magnesium Glycinate) 80 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Niacin (as Niacinamide) 6 mg 38%
Vitamin B6 (as Pyridoxal-5-Phosphate) 6 mg 353%
Magnesium (as Magnesium Glycinate) 80 mg 19%
Proprietary BlendL-Tryptophan, Glycine, L-Theanine, Masson Pine (Pinus massoniana)bark extract, GABA (Gamma Aminobutyric Acid), Ashwagandha (Withaniasomnifera) whole plant extract, Hops (Humulus lupulus) flower extract,Jujube (Ziziphus jujuba) fruit extract, Skullcap (Scutellaria lateriflora) leafand stem extract, Magnolia (Magnolia officinalis) bark extract, Melatonin 1.13 g

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Microcrystalline Cellulose Safe

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

Hydroxypropylmethylcellulose Unknown
Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Croscarmellose Sodium Safe

Helps tablets break apart and dissolve quickly in the stomach.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$47$39$31$24$16 Mar 12 $40.95$22.00
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
NBI

Founded 2006 · San Diego, CA 92130, United States · 13 products · nbihealth.com/

Certifications

4 certifications
Fda Gmp Inspections Verified Source
Health Canada Licensed Verified Source
Npa Gmp Verified Source
Nsf Gmp Verified Source

Transparency

2 claims
Third Party Testing Claim — Verified Source
Related Supplements
Frequently Asked Questions
Is NBI Sleep Relief, 60 Time-Release Tablets a good supplement?

NBI Sleep Relief, 60 Time-Release Tablets received a product quality score of 80/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 4 active ingredients with 30 servings per container. Of the 6 inactive ingredients, 5 are rated safe and 0 are flagged for review. The manufacturer, NBI, holds a brand trust score of 76/100 with 4 verified certifications including Fda Gmp Inspections, Health Canada Licensed, Npa Gmp, Nsf Gmp.

What are the ingredients in NBI Sleep Relief, 60 Time-Release Tablets?

NBI Sleep Relief, 60 Time-Release Tablets contains 4 active ingredients: Niacin (as Niacinamide) (6 mg), Vitamin B6 (as Pyridoxal-5-Phosphate) (6 mg), Magnesium (as Magnesium Glycinate) (80 mg), Proprietary BlendL-Tryptophan, Glycine, L-Theanine, Masson Pine (Pinus massoniana)bark extract, GABA (Gamma Aminobutyric Acid), Ashwagandha (Withaniasomnifera) whole plant extract, Hops (Humulus lupulus) flower extract,Jujube (Ziziphus jujuba) fruit extract, Skullcap (Scutellaria lateriflora) leafand stem extract, Magnolia (Magnolia officinalis) bark extract, Melatonin (1.13 g). Notable high-dose ingredients include Vitamin B6 at 353% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is NBI Sleep Relief, 60 Time-Release Tablets safe to take?

NBI Sleep Relief, 60 Time-Release 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 NBI a trustworthy supplement brand?

NBI receives a brand trust score of 76/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2006 and headquartered in San Diego, CA 92130, United States, the company offers 13 products in their lineup. They hold 4 verified certifications including Fda Gmp Inspections, Health Canada Licensed, Npa Gmp, Nsf Gmp. 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.