Quantum Health Sleep + Immune, Melatonin, 30 Capsules supplement bottle
Quantum Health

Sleep + Immune, Melatonin, 30 Capsules

What We Researched
4 active ingredients analyzed · 3 inactive ingredients decoded · 3 brand certifications checked · 3 retailers compared · Last updated: Mar 2026
90
Product Score Excellent
51
Brand Score Poor

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin C (Ascorbic Acid) 200 mg 222%
Vitamin D (Cholecalciferol) 15 mcg 75%
Proprietary BlendL-Theanine, Valerian Root Powder, Lemon Balm Herb Powder, European Elder (Sambucus nigra) Fruit Powder 450 mg
Melatonin 2 mg
Bioavailability Good

Absorption Rating

  • Vitamin C (Ascorbic Acid) Fair
  • Vitamin D (Cholecalciferol) Good
  • Proprietary BlendL-Theanine, Valerian Root Powder, Lemon Balm Herb Powder, European Elder (Sambucus nigra) Fruit Powder Fair
  • Melatonin Fair
Other Ingredients Excellent

Fillers & Additives

  • Hypromellose (Capsule)
  • Rice Flour
  • Magnesium Stearate
Efficacy Excellent

Dosage Analysis

  • Vitamin C (Ascorbic Acid) 200 mg Effective
  • Vitamin D (Cholecalciferol) 15 mcg Effective
  • Melatonin 2 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Vitamin C (Ascorbic Acid) 200 mg 222%
Vitamin D (Cholecalciferol) 15 mcg 75%
Proprietary BlendL-Theanine, Valerian Root Powder, Lemon Balm Herb Powder, European Elder (Sambucus nigra) Fruit Powder 450 mg
Melatonin 2 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Hypromellose (Capsule) Safe

It is used as a material for making vegetarian capsules.

Rice Flour Safe

Natural bulking agent to fill capsule space. Hypoallergenic.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$28$27$26$25$24 Mar 12 $26.00
iHerb

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

Brand Trust Report
Quantum Health

Founded 1981 · Eugene, Oregon, United States · 21 products · quantumhealth.com

Certifications

3 certifications
Non Gmo Project Verified Source
Usda Organic Verified Source
Vegan Certified Verified Source
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Frequently Asked Questions
Is Quantum Health Sleep + Immune, Melatonin a good supplement?

Quantum Health Sleep + Immune, Melatonin, 30 Capsules received a product quality score of 90/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 4 active ingredients with 30 servings per container. All 3 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Quantum Health, holds a brand trust score of 51/100 with 3 verified certifications including Non Gmo Project, Usda Organic, Vegan Certified.

What are the ingredients in Quantum Health Sleep + Immune, Melatonin?

Quantum Health Sleep + Immune, Melatonin contains 4 active ingredients: Vitamin C (Ascorbic Acid) (200 mg), Vitamin D (Cholecalciferol) (15 mcg), Proprietary BlendL-Theanine, Valerian Root Powder, Lemon Balm Herb Powder, European Elder (Sambucus nigra) Fruit Powder (450 mg), Melatonin (2 mg). Notable high-dose ingredients include Vitamin C at 222% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Quantum Health Sleep + Immune, Melatonin safe to take?

Quantum Health Sleep + Immune, Melatonin, 30 Capsules has been analyzed for ingredient safety across all its components. All 3 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 Quantum Health a trustworthy supplement brand?

Quantum Health receives a brand trust score of 51/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1981 and headquartered in Eugene, Oregon, United States, the company offers 21 products in their lineup. They hold 3 verified certifications including Non Gmo Project, Usda Organic, Vegan Certified. 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.