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Jarrow Formulas® Acetyl L-Carnitine 500 mg, Dietary Supplement, Amino Acid Support for Brain Health and Antioxidants, 120 Veggie Capsules, 120 Day Supply — view 1 of 5
Jarrow Formulas

Jarrow Formulas® Acetyl L-Carnitine 500 mg, Dietary Supplement, Amino Acid Support for Brain Health and Antioxidants, 120 Veggie Capsules, 120 Day Supply

4.6· 1,100 Amazon reviews
$26.99

$0.90/serving

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Price verified Apr 22, 2026

Not evaluated by the FDA · Individual results may vary · Consult a healthcare provider before use

Our verdict

See label of Acetyl l carnitine per capsule from Jarrow Formulas. Best for acetyl l carnitine supplementation.

CapsuleJarrow Formulas

Why we recommend this

Jarrow Formulas® Acetyl L-Carnitine 500 mg, Dietary Supplement, Amino Acid Support for Brain Health and Antioxidants, 120 Veggie Capsules, 120 Day Supply provides acetyl l carnitine in a convenient form.

Check for interactions

Already taking other supplements or prescription medications? Add them below to check for documented interactions, severity, and clinical guidance.

Our database currently documents 137+ supplement and drug-category interaction pairs. Combinations not flagged here may still interact — always consult your healthcare provider before combining supplements, especially with prescription medications.

What to watch out for

Check label for specific dosage and ingredients.

Dose & form

Serving
See label
Form
Capsule
Clinical range
1-3 g daily
Dose adequacy
Blend
Supply
30 servings · $0.90/serving
UPC
790011150626

Who it's best for

Acetyl l carnitine supplementation

What customers say

4.6★ across 1,100 Amazon reviews. The most common questions from shoppers: re any potential interactions with medications, re any side effects from long-term use, and cause any digestive issues or side effects. Full answers in the FAQ below.

Frequently Asked Questions

What is the clinical dose for Acetyl l carnitine?

Clinical trials typically use 1-3 g daily. Jarrow Formulas® Acetyl L-Carnitine 500 mg, Dietary Supplement, Amino Acid Support for Brain Health and Antioxidants, 120 Veggie Capsules, 120 Day Supply delivers See label, which we classify as Blend relative to that range.

How does Jarrow Formulas® Acetyl L-Carnitine 500 mg, Dietary Supplement, Amino Acid Support for Brain Health and Antioxidants, 120 Veggie Capsules, 120 Day Supply compare to similar Capsule?

See the "Also consider" section below for two alternatives. Choose based on form preference (Capsule vs alternatives), dose adequacy, and third-party testing.

Is Jarrow Formulas® Acetyl L-Carnitine 500 mg, Dietary Supplement, Amino Acid Support for Brain Health and Antioxidants, 120 Veggie Capsules, 120 Day Supply third-party tested?

Third-party testing is not disclosed on the label. Contact Jarrow Formulas for a Certificate of Analysis.

Are there any potential interactions with medications?

Jarrow Formulas® Acetyl L-Carnitine 500 mg, Dietary Supplement, Amino Acid Support for Brain Health and Antioxidants, 120 Veggie Capsules, 120 Day Supply contains Acetyl l carnitine. As with any acetyl l carnitine supplement, consult your healthcare provider if you take prescription medications, especially blood thinners, blood pressure medications, or immunosuppressants. Jarrow Formulas recommends consulting a doctor before use if you are on medication.

Are there any side effects from long-term use?

At See label, Jarrow Formulas® Acetyl L-Carnitine 500 mg, Dietary Supplement, Amino Acid Support for Brain Health and Antioxidants, 120 Veggie Capsules, 120 Day Supply provides a moderate dose within the studied range of 1-3 g daily, divided into 2-3 doses. Long-term use at recommended doses is generally well-tolerated based on available research. Discontinue and consult a healthcare provider if you experience adverse effects.

Does it cause any digestive issues or side effects?

Acetyl l carnitine capsules are generally well-tolerated. Jarrow Formulas® Acetyl L-Carnitine 500 mg, Dietary Supplement, Amino Acid Support for Brain Health and Antioxidants, 120 Veggie Capsules, 120 Day Supply is formulated as a capsule which is designed to be gentle on the stomach. Start with a lower dose if you have a sensitive stomach.

Is this product safe for pregnant or nursing women?

Jarrow Formulas does not specifically market Jarrow Formulas® Acetyl L-Carnitine 500 mg, Dietary Supplement, Amino Acid Support for Brain Health and Antioxidants, 120 Veggie Capsules, 120 Day Supply for pregnant or nursing women. If you are pregnant, nursing, or planning to become pregnant, consult your healthcare provider before taking any acetyl l carnitine supplement. Clinical safety data during pregnancy is limited for most acetyl l carnitine products.

Is it safe to take with other supplements?

Jarrow Formulas® Acetyl L-Carnitine 500 mg, Dietary Supplement, Amino Acid Support for Brain Health and Antioxidants, 120 Veggie Capsules, 120 Day Supply can generally be combined with other supplements, but be mindful of total acetyl l carnitine intake from all sources to stay within recommended daily limits (1-3 g daily, divided into 2-3 doses). Check with your healthcare provider if you're stacking multiple supplements.

What is the recommended dosage?

The recommended dose is See label. Clinical studies on acetyl l carnitine typically use 1-3 g daily, divided into 2-3 doses. Jarrow Formulas® Acetyl L-Carnitine 500 mg, Dietary Supplement, Amino Acid Support for Brain Health and Antioxidants, 120 Veggie Capsules, 120 Day Supply provides a partial dose — consider your total daily intake. Follow the label directions or your healthcare provider's recommendation.

When is the best time to take this?

Jarrow Formulas® Acetyl L-Carnitine 500 mg, Dietary Supplement, Amino Acid Support for Brain Health and Antioxidants, 120 Veggie Capsules, 120 Day Supply can be taken with or without food. Taking it with a meal may improve absorption and reduce any potential digestive discomfort. Consistency matters more than timing — take it at the same time daily.

Also consider

Part of this guide

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As an Amazon Associate, we earn from qualifying purchases. Some links below are affiliate links — this doesn't affect our editorial independence or product ratings. How we evaluate products

This content is for informational purposes only and does not constitute medical advice. Statements about dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease. Individual results may vary — consult your healthcare provider before starting any supplement. Full disclaimer