Solgar Advanced Acetyl-L-Carnitine supplement bottle
Solgar

Advanced Acetyl-L-Carnitine

What We Researched
2 active ingredients analyzed · 8 inactive ingredients decoded · 2 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
62
Product Score Fair
66
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Acetyl-L-Carnitine Arginate Dihydrochloride 320 mg †
Acetyl-L-Carnitine Hydrochloride 320 mg †
Bioavailability Excellent

Absorption Rating

  • Acetyl-L-Carnitine Arginate Dihydrochloride Good
  • Acetyl-L-Carnitine Hydrochloride Good
Other Ingredients Good

Fillers & Additives

  • Dicalcium Phosphate
  • Microcrystalline Cellulose
  • Vegetable Cellulose
  • Silica
  • Stearic Acid
  • Titanium Dioxide High
  • Vegetable Magnesium Stearate
  • Vegetable Glycerin
Efficacy Very Poor

Dosage Analysis

  • Acetyl-L-Carnitine Arginate Dihydrochloride 320 mg Under-dosed
  • Acetyl-L-Carnitine Hydrochloride 320 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Acetyl-L-Carnitine Arginate Dihydrochloride 320 mg †
Acetyl-L-Carnitine Hydrochloride 320 mg †

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Dicalcium Phosphate Safe

Serves as both a filler and a supplemental source of calcium and phosphorus.

Microcrystalline Cellulose Safe

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

Vegetable Cellulose Safe

Forms a vegetarian capsule shell alternative to gelatin.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Titanium Dioxide Caution

Used as a whitening agent in tablet coatings and capsules.

Vegetable Magnesium Stearate Safe

Prevents ingredients from sticking to equipment. Derived from vegetable sources.

Vegetable Glycerin Safe

Helps form softgel capsule shells and acts as a humectant.

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
Solgar

Founded 1947 · Leonia, New Jersey, United States · 295 products · solgar.com

Certifications

2 certifications
Halal Certified Verified Source
Kosher Certified Verified Source

Transparency

2 claims
Third Party Testing Claim — Claimed
In House Testing — Verified Source
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Frequently Asked Questions
Is Solgar Advanced Acetyl-L-Carnitine a good supplement?

Solgar Advanced Acetyl-L-Carnitine received a product quality score of 62/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 2 active ingredients Of the 8 inactive ingredients, 7 are rated safe and 1 are flagged for review. The manufacturer, Solgar, holds a brand trust score of 66/100 with 2 verified certifications including Halal Certified, Kosher Certified.

What are the ingredients in Solgar Advanced Acetyl-L-Carnitine?

Solgar Advanced Acetyl-L-Carnitine contains 2 active ingredients: Acetyl-L-Carnitine Arginate Dihydrochloride (320 mg), Acetyl-L-Carnitine Hydrochloride (320 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Solgar Advanced Acetyl-L-Carnitine safe to take?

Solgar Advanced Acetyl-L-Carnitine has been analyzed for ingredient safety across all its components. Of 8 inactive ingredients, 7 are rated safe. 1 ingredient is flagged for review: Titanium Dioxide. '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 Solgar a trustworthy supplement brand?

Solgar receives a brand trust score of 66/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1947 and headquartered in Leonia, New Jersey, United States, the company offers 295 products in their lineup. They hold 2 verified certifications including Halal Certified, Kosher 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.