Skip to main content
No image

Acetyl-L-Carnitine

91Score
Grade A · capsule · 60 servings · $32.00

Acetyl-L-Carnitine scores 91/100 (A grade). Strengths: 1 ingredients with Grade B evidence.

CarnitineBrain HealthEnergyCognition

Score Breakdown

Formulate scores every product across six weighted dimensions. Each dimension is graded independently — hover or tap to see what drove each component.

Evidence Qualityweight 25%
85/ 100
Dose Accuracyweight 20%
95/ 100
Bioavailabilityweight 20%
100/ 100
Transparencyweight 10%
100/ 100
Safetyweight 10%
100/ 100
Manufacturingweight 10%
80/ 100
Valueweight 5%
75/ 100

Ingredients per Serving

IngredientAmount
Acetyl-L-Carnitine (Chloride)500 mg

Certifications & Testing

NSF CertifiedGluten FreeDairy FreeSoy FreeThorne VerifiedNatural FlavorsNatural ColorsGMP Certified

Other Ingredients

Hypromellose (derived from cellulose) capsule, Leucine, Microcrystalline Cellulose, Silicon Dioxide

Recommended Use

Take 1 capsule two to three times daily or as recommended by your health-care practitioner.

Warnings

ALLERGY WARNING This product is contraindicated in an individual with a history of hypersensitivity to any of its ingredients. PREGNANCY If pregnant, consult your health-care practitioner before using this product. INTERACTIONS There are no known adverse interactions or contraindications at publication date.

Frequently Asked Questions

What is Thorne Acetyl-L-Carnitine's Formulate score?

Thorne Acetyl-L-Carnitine scores 91 out of 100 (grade A) on Formulate's ingredient-level rubric, which weighs evidence quality, dose accuracy, bioavailability, transparency, safety, and manufacturing practices.

What's in Thorne Acetyl-L-Carnitine?

Each serving contains Acetyl-L-Carnitine (Chloride) (500 mg). Serving size: 1 Capsules. 60 servings per container.

How do I take acetyl-l-carnitine?

Take 1 capsule two to three times daily or as recommended by your health-care practitioner.

Is Thorne Acetyl-L-Carnitine third-party tested?

Thorne lists the following certifications and testing for this product: NSF Certified, Gluten Free, Dairy Free, Soy Free, Thorne Verified, Natural Flavors, Natural Colors, GMP Certified.

Related Supplements

Track acetyl-l-carnitine in your stack

The Formulate desktop app lets you build a personalized supplement stack, flag dose overlaps and interactions, and keep every product scored against the latest evidence.

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.