Nature Made Wellblends™, Sleep Longer®, 35 Tri-Layer Tablets supplement bottle
Nature Made

Wellblends™, Sleep Longer®, 35 Tri-Layer Tablets

What We Researched
4 active ingredients analyzed · 9 inactive ingredients decoded · 4 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
77
Product Score Fair
86
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Calcium (as Calcium Carbonate) 80 mg 6%
Melatonin 10 mg *
L-theanine 100 mg *
GABA (Gamma-Aminobutyric Acid) 100 mg *
Bioavailability Fair

Absorption Rating

  • Calcium (as Calcium Carbonate) Fair
  • Melatonin Fair
  • L-theanine Good
  • GABA (Gamma-Aminobutyric Acid) Poor
Other Ingredients Very Good

Fillers & Additives

  • Cellulose Gel
  • Hypromellose
  • Hydroxypropyl Cellulose
  • Stearic Acid
  • Less than 2% of maltodextrin
  • Magnesium Stearate
  • Silicon Dioxide
  • Color Added Medium
  • Glycerin
Efficacy Very Good

Dosage Analysis

  • Calcium (as Calcium Carbonate) 80 mg Under-dosed
  • Melatonin 10 mg Effective
  • L-theanine 100 mg Effective
  • GABA (Gamma-Aminobutyric Acid) 100 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Calcium (as Calcium Carbonate) 80 mg 6%
Melatonin 10 mg *
L-theanine 100 mg *
GABA (Gamma-Aminobutyric Acid) 100 mg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Cellulose Gel Generally_safe

It is used as a thickening agent to improve the texture of supplements.

Hypromellose Safe

Forms vegetarian capsule shells. Dissolves easily in the stomach.

Hydroxypropyl Cellulose Safe

Binds tablet ingredients and can form tablet coatings.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Less than 2% of maltodextrin Unknown
Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Color Added Caution

It is used to improve the appearance of the supplement.

Glycerin Safe

Retains moisture and helps dissolve ingredients in softgels and liquids.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$23$22$21$20$19 Mar 12 $21.00
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
Nature Made

Founded 1971 · West Hills, California, USA · 161 products · naturemade.com

Certifications

4 certifications
Consumerlab Verified Source
Labdoor Verified Source
Usp Verified Verified Source
Fda Gmp Inspections Verified Source

Transparency

4 claims
Third Party Testing Claim — Verified Source
Coa Availability — Claimed Source
In House Testing — Verified Source

Violation History

2 incidents
Lawsuit Presence of toxic plastic chemicals in prenatal multivitamins.2025Source
Recall Specific lots of Nature Made Adult Gummies Multi, Multi + Omega-3, Multi for Her plus Omega-3s, and Super B Complex w/C & Folic Acid2016-06-15Source
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Frequently Asked Questions
Is Nature Made Wellblends™, Sleep Longer® a good supplement?

Nature Made Wellblends™, Sleep Longer®, 35 Tri-Layer Tablets received a product quality score of 77/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 4 active ingredients Of the 9 inactive ingredients, 6 are rated safe and 1 are flagged for review. The manufacturer, Nature Made, holds a brand trust score of 86/100 with 4 verified certifications including Consumerlab, Labdoor, Usp Verified, Fda Gmp Inspections.

What are the ingredients in Nature Made Wellblends™, Sleep Longer®?

Nature Made Wellblends™, Sleep Longer® contains 4 active ingredients: Calcium (as Calcium Carbonate) (80 mg), Melatonin (10 mg), L-theanine (100 mg), GABA (Gamma-Aminobutyric Acid) (100 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Nature Made Wellblends™, Sleep Longer® safe to take?

Nature Made Wellblends™, Sleep Longer®, 35 Tri-Layer Tablets has been analyzed for ingredient safety across all its components. Of 9 inactive ingredients, 6 are rated safe. 1 ingredient is flagged for review: Color Added. 'Caution' doesn't mean dangerous — it indicates the ingredient has some considerations worth being aware of, such as potential sensitivities or ongoing research. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Nature Made a trustworthy supplement brand?

Nature Made receives a brand trust score of 86/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1971 and headquartered in West Hills, California, USA, the company offers 161 products in their lineup. They hold 4 verified certifications including Consumerlab, Labdoor, Usp Verified, Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Nature Made has 2 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.