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Doctor's Best Acetyl-L-Carnitine, 500 mg, 60 Veggie Caps

Acetyl-L-Carnitine, 500 mg, 60 Veggie Caps

94A
Grade A · capsule · 30 servings · $14.99
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Scored by the Formulate Research Team · Last reviewed July 2026

Score Breakdown

Three factors carry this score; three more are checked separately and can only take points away. Hover or tap to see what drove each one.

Evidence Qualityweight 40%
90/ 100
Dose Adequacyweight 35%
95/ 100
Form/Bioavailabilityweight 25%
100/ 100
Transparencyweight 0%
100/ 100
Safety/Redundancyweight 0%
100/ 100
Manufacturing Qualityweight 0%
84/ 100

Ingredients per Serving

Certifications & Testing

Non-GMOGluten-FreeVeganVegetarian

Other Ingredients

Magnesium Silicate, Microcrystalline Cellulose, Modified Cellulose, Silicon Dioxide, Stearic Acid

Recommended Use

MorningWith foodpreferred, not required

Suggested Adult Use: Take 2 capsules daily with food. For additional benefit take 4 capsules per day, or more, as recommended by a nutritionally-informed physician.

Frequently Asked Questions

What is Doctor's Best Acetyl-L-Carnitine, 500 mg, 60 Veggie Caps's Formulate score?

Doctor's Best Acetyl-L-Carnitine, 500 mg, 60 Veggie Caps scores 94 out of 100 (grade A) on Formulate's ingredient-level rubric: clinical evidence, dose accuracy and bioavailability carry the score, while manufacturing, transparency and safety are checked separately and can only deduct.

Is Doctor's Best Acetyl-L-Carnitine, 500 mg, 60 Veggie Caps worth it?

Doctor's Best Acetyl-L-Carnitine, 500 mg, 60 Veggie Caps scores 94/100 (grade A). That puts it in Formulate's top tier: its ingredient doses, forms, and label transparency hold up against the clinical evidence, and it carries credible third-party testing. Formulate grades every product with the same automated rubric, so the score reflects the formula — not marketing or sponsorships.

What's in Doctor's Best Acetyl-L-Carnitine, 500 mg, 60 Veggie Caps?

Each serving contains Acetyl-L-Carnitine (1000 mg). Serving size: 2 Veggie Capsule(s). 30 servings per container.

How do I take acetyl-l-carnitine, 500 mg, 60 veggie caps?

Suggested Adult Use: Take 2 capsules daily with food. For additional benefit take 4 capsules per day, or more, as recommended by a nutritionally-informed physician.

Who makes Acetyl-L-Carnitine, 500 mg, 60 Veggie Caps?

Acetyl-L-Carnitine, 500 mg, 60 Veggie Caps is made by Doctor's Best. See Formulate's full grade and product lineup for Doctor's Best on its brand page.

Is Doctor's Best Acetyl-L-Carnitine, 500 mg, 60 Veggie Caps third-party tested?

Doctor's Best lists the following certifications and testing for this product: Non-GMO, Gluten-Free, Vegan, Vegetarian.

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Disclosure. Formulate may earn a commission from purchases made through links on this page. Commissions never influence scores — every product is graded by the same automated rubric. This page is for educational purposes only and does not replace advice from a qualified healthcare provider.