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Acetyl L-Carnitine (500mg)
Acetyl L-Carnitine (500mg)
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Made in the USA, GMP Certified, Third Party Tested, Fully Dosed
Description
Key Ingredients
Dietary Restrictions
Delivery & Returns
Description
Acetyl L-Carnitine is a stabilized and more absorbable form of the amino acid L-Carnitine. Acetyl L-Carnitine plays an important role in protecting and supporting brain and muscle function. As an antioxidant, Acetyl L-Carnitine protects neurons from damage caused by superoxide radicals.
Acetyl L-Carnitine is involved in aspects of neuronal metabolism because its molecular structure resembles the neurotransmitter acetylcholine. Supplementing with Acetyl L-Carnitine may improve acetylcholine production and stimulation of protein and membrane phospholipid synthesis.
Improves exercise capacity and fat loss:
Acetyl L-Carnitine facilitates the metabolism of fatty acids for energy generation. A greater reliance on fat for energy can result in a sparing of muscle glycogen, an enhancement of exercise performance and a reduction in stored body fat. Acetyl L-Carnitine has profound effects on endurance and exercise performance by reducing the respiratory exchange ratio and reducing lactic acid accumulation in muscles extending exercise capacity before fatigue.
Carnitine comes in both L- and D-carnitine forms. However, only the L- form is biologically active. The D- form is completely inactive and in large quantities and particular conditions, the D- form may inhibit the utilization of L-carnitine. NutraBio L-Carnitine supplements contain no synthetic D-Carnitine or DL-Carnitine. D-Carnitine and DL-Carnitine are less effective than L-Carnitine. D-Carnitine and DL-Carnitine are not recommended because of their adverse physical side effects.
Dietary Restrictions
Delivery & Returns
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Cognitive and Fat-Burning Support for Energy and Endurance
A premium form of L-Carnitine designed for optimal absorption and effectiveness in supporting brain health, energy production, and endurance.
The Science-Backed Edge
Every ingredient is chosen with purpose and backed by science to deliver meaningful results. Whether it’s wellness or performance, each formula is fully dosed and built with innovation to help your body function at its highest potential.
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We are dedicated to helping you achieve real results by ensuring every product is made with the highest-quality ingredients and uncompromising standards. Our commitment to excellence is built to help you reach your potential and live without compromise.
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Fat Metabolism
Transports fatty acids into mitochondria to create energy, supporting daily performance and metabolism.
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Cellular Energy
Enhances fat metabolism and endurance by reducing lactic acid buildup.
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Antioxidant Defense
Protects cells and neurons from oxidative damage.
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Focus and Mood
Supports acetylcholine production, helping improve motivation, concentration, and overall mental drive.
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Recovery
Helps reduce post-exercise fatigue and muscle soreness by supporting efficient energy use and repair.
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Cognitive Support
Promotes acetylcholine activity for improved mental clarity and focus.

The Benefits of Acetyl L-Carnitine
Improves Fat Metabolism
Improves Fat Metabolism
Acetyl L-Carnitine helps the body efficiently convert stored fatty acids into usable energy by transporting them into the mitochondria, where they are burned for fuel. This process supports improved exercise capacity, endurance, and a healthy body composition. By relying more on fat for energy, Acetyl L-Carnitine helps spare glycogen stores and sustain performance during intense or prolonged activity.
Supports Brain Function
Supports Brain Function
As a compound structurally similar to the neurotransmitter acetylcholine, Acetyl L-Carnitine plays a vital role in supporting cognitive function. It helps maintain optimal brain energy levels, promotes focus and mental clarity, and supports healthy communication between nerve cells. Its antioxidant properties also help protect neurons from oxidative stress, contributing to long-term brain health and sharper cognitive performance.
Reduces Muscle Fatigue
Reduces Muscle Fatigue
Acetyl L-Carnitine helps delay the onset of fatigue by reducing lactic acid buildup during training, allowing muscles to perform longer before exhaustion sets in. This enhanced endurance enables more effective workouts and faster recovery between sessions. By improving energy efficiency and buffering muscle stress, it supports optimal training intensity and long-term performance progression.