Carnitine Supplements for Cellular Energy

Promote Cellular-Energy Production

Carnitine helps your mitochondria produce cellular energy quickly and efficiently for brain, heart and whole-body health.

3 Reasons Why Everyone Should Take Our Carnitine Supplements

  • Support cellular energy production & availability
  • Promote brain & heart health
  • Support youthful exercise recovery

Compare Formulations

We pride ourselves on giving our customers the tools they need to make important health decisions. So, let’s delve into the various forms of carnitine to determine which is right for you.

L-Carnitine & Acetyl-L-Carnitine

L-Carnitine helps move fatty acids across the mitochondrial membrane, supporting cellular energy metabolism. It also supports memory & cognitive health. Acetyl-L-Carnitine encourages the release of dopamine, helping it to bond to receptors, and provides antioxidant support throughout the body.

See L-Carnitine & Acetyl-L-Carnitine Products

Optimized Carnitine

Optimized Carnitine has three advanced forms of carnitine—Acetyl-L-Carnitine, Acetyl-L-Carnitine Arginate and Propionyl-L-Carnitine (PLC)—to optimize cellular energy production for a healthy heart and brain and exercise recovery. PLC also helps support physical performance and male sexual function.

See Optimized Carnitine Products

Help maintain cellular energy metabolism and support optimum functioning of mitochondria with L-Carnitine and Acetyl-L-Carnitine products, which assist in the intracellular transport of fatty acids from the cell fluid into the mitochondria and inhibits excess accumulation of cellular debris.

Supports brain & nerve health & youthful cellular energy

5 (12)
500 mg, 100 vegetarian capsules
Super Sale
  • $24.00
  • $21.60
  • Save $2.40

Life Extension’s Acetyl-L-Carnitine supplement promotes youthful cellular energy metabolism and supports mood and nervous system well-being, among other benefits.

Helps maintain healthy cellular energy metabolism

4.7 (9)
500 mg, 30 vegetarian capsules
Super Sale
  • $11.25
  • $10.13
  • Save $1.12

Adding L-Carnitine to your supplement regimen provides a host of potential health benefits associated with aging. It starts with supporting mitochondria, which power every cell in your body.

Advanced carnitine for cell energy & brain health support.

4.8 (12)
90 vegetarian capsules
Super Sale
  • $28.50
  • $25.65
  • Save $2.85

Acetyl-L-Carnitine Arginate is an advanced carnitine supplement that promotes youthful cellular energy metabolism and supports brain and nerve health.

Optimized Carnitine is the only formula from Life Extension that includes Propionyl-L-Carnitine for vascular health and function benefits, as well as Acetyl-L-Carnitine and Acetyl-L-Carnitine Arginate to optimize cellular energy production and heart & brain health.

Promotes heart & brain health

4.6 (31)
60 vegetarian capsules
Super Sale
  • $22.50
  • $20.25
  • Save $2.25

Our Optimized Carnitine provides three clinically studied forms of carnitine that work together to help you recover from exercise quicker and support heart, brain and nervous system health.

Related Products

Related Health Information

Foundation Supplement Guide

Answer a few questions to choose the right supplements

Why Life Extension?

100% Satisfaction Guarantee

Full one-year, no-hassle returns, money-back guarantee.

Highly Recommended

98% of our customers recommend us to family and friends. Life Extension is proud to be recognized as the #1 Catalog/Internet Brand—3 years running.

Complimentary, Personalized Guidance

Medical doctors, nutritionists & other health professionals are passionate about providing personalized solutions to help you achieve optimal health.

Efficacious Formulas

40 years of research dedicated to bringing you premium, scientifically-validated formulations.

Product Transparency

99% of our products are manufactured in the U.S. Our facility is NSF GMP registered, and a Certificate of Analysis is available for every product we produce.