Natrol Alpha Lipoic Acid Time Release, 600 mg, 45 Tablets supplement bottle
Natrol

Alpha Lipoic Acid Time Release, 600 mg, 45 Tablets

What We Researched
2 active ingredients analyzed · 8 inactive ingredients decoded · 4 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
81
Product Score Good
85
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Calciumfrom Dibasic Calcium Phosphate) 100 mg 8%
Alpha-Lipoic Acid 600 mg *
Bioavailability Very Good

Absorption Rating

  • Calciumfrom Dibasic Calcium Phosphate) Good
  • Alpha-Lipoic Acid Fair
Other Ingredients Excellent

Fillers & Additives

  • Microcrystalline Cellulose
  • Methylcellulose
  • Stearic Acid
  • Silicon Dioxide
  • Hypromellose
  • Magnesium Stearate
  • Colored with riboflavin
  • Glycerin
Efficacy Fair

Dosage Analysis

  • Calciumfrom Dibasic Calcium Phosphate) 100 mg Under-dosed
  • Alpha-Lipoic Acid 600 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Calciumfrom Dibasic Calcium Phosphate) 100 mg 8%
Alpha-Lipoic Acid 600 mg *

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.

Methylcellulose Generally_safe

It is used as a thickener or binder.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Hypromellose Safe

Forms vegetarian capsule shells. Dissolves easily in the stomach.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Colored with riboflavin Unknown
Glycerin Safe

Retains moisture and helps dissolve ingredients in softgels and liquids.

Price Comparison

Vitacost $21.50 $0.48 / serving
Best Price

Price History

Tracked across major retailers. Updated periodically.

$24$22$22$20$20 Mar 12 $21.50
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
Natrol

Founded 1980 · Chatsworth, California, USA · 63 products · natrol.com

Certifications

4 certifications
Consumerlab Verified Source
Npa Gmp Verified Source
Fda Gmp Inspections Verified Source
Nsf Gmp Verified Source

Transparency

4 claims
Third Party Testing Claim — Verified Source
Testing Lab Disclosure — Claimed Source
In House Testing — Verified Source

Violation History

8 incidents
Lawsuit Marketing Relax+ Ultimate Calm as a treatment for anxiety.RecentSource
Lawsuit Falsely advertising '100% Drug-Free' on Liquid Melatonin which allegedly contains ethyl alcohol.2021Source
Lawsuit False and deceptive claims about the memory-improving capabilities of Cognium supplements.2021Source
Fda Warning Public health warning against the purchase and consumption of unregistered food supplements.2020-07-21Source
Lawsuit Claims that their biotin products were ineffective.2017Source
Lawsuit Falsely advertising the joint health benefits of their glucosamine and chondroitin products.2013Source
Lawsuit Deceptive marketing claims regarding L-Arginine supplements.2013Source
Prop 65 Not specified in the article2002-04-22Source
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Frequently Asked Questions
Is Natrol Alpha Lipoic Acid Time Release, 600 mg a good supplement?

Natrol Alpha Lipoic Acid Time Release, 600 mg, 45 Tablets received a product quality score of 81/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 2 active ingredients with 45 servings per container. Of the 8 inactive ingredients, 6 are rated safe and 0 are flagged for review. The manufacturer, Natrol, holds a brand trust score of 85/100 with 4 verified certifications including Consumerlab, Npa Gmp, Fda Gmp Inspections, Nsf Gmp.

What are the ingredients in Natrol Alpha Lipoic Acid Time Release, 600 mg?

Natrol Alpha Lipoic Acid Time Release, 600 mg contains 2 active ingredients: Calciumfrom Dibasic Calcium Phosphate) (100 mg), Alpha-Lipoic Acid (600 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Natrol Alpha Lipoic Acid Time Release, 600 mg safe to take?

Natrol Alpha Lipoic Acid Time Release, 600 mg, 45 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 Natrol a trustworthy supplement brand?

Natrol receives a brand trust score of 85/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1980 and headquartered in Chatsworth, California, USA, the company offers 63 products in their lineup. They hold 4 verified certifications including Consumerlab, Npa Gmp, Fda Gmp Inspections, Nsf Gmp. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Natrol has 8 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.