ATP Science Acetyl L-Carnitine
ATP Science Acetyl L-Carnitine
Atp Science In Stock

ATP Science Acetyl L-Carnitine Powder 250g

Amino acid for metabolism

Key Benefits

Supports fat metabolism for energy

Enhances mental focus & cognition

100% pure - no fillers or additives

$69.95

Join our Community and receive 10% OFF your first purchase
$69.95

Always read the label and follow the directions for use. Read the warnings before purchase.

What is ATP Science Acetyl L-Carnitine?

ATP Science Acetyl L-Carnitine is a pure, unflavoured amino acid powder designed to support fat metabolism and cognitive function.

Acetyl L-Carnitine is essential for energy production in every cell of your body, working by transporting fatty acids to the mitochondria where they are oxidised to produce energy.

The acetyl form of carnitine offers additional benefits over regular L-carnitine—it crosses the blood-brain barrier more effectively, supporting healthy nerve and neurotransmitter function.

This makes it valuable for both physical performance (fat burning) and mental performance (focus, drive, mood).

100% pure with no fillers, additives, or gimmicks—just the active ingredient.

Each serve (2g) contains:

100% Acetyl L-Carnitine - The acetylated form of the amino acid L-carnitine, providing enhanced bioavailability and ability to cross the blood-brain barrier.

Key functions:
- Transports long-chain fatty acids into mitochondria for energy production
- Supports the enzyme CPT1 (carnitine palmitoyltransferase 1), the rate-limiting step in fat oxidation
- Crosses the blood-brain barrier to support dopamine and neurotransmitter function
- May support cognition, learning, attention, memory, and mood

No fillers, colours, flavours, or additives.

Vegan friendly.

For best results, take 2g (approximately half a scoop) before, during, or directly after training.

Mix into 250-300ml water or your favourite beverage.

Can be taken any time of day, but ideally before training for performance benefits.

Product is unflavoured and will have a bitter taste—mix well with other supplements or flavoured beverages.

This product is a formulated supplementary sports food.

Not suitable for children under 15 years of age or pregnant women.

Should be consumed under dietetic supervision.

Not a sole source of nutrition—consume in conjunction with a nutritious diet and appropriate physical training or exercise program.

Product may clump over time, which is normal for this ingredient.

"The acetyl form is the smart choice over regular L-carnitine—the acetyl group allows it to cross the blood-brain barrier, supporting both fat metabolism and cognitive function.100% pure with no fillers or additives and vegetarians and vegans particularly benefit since carnitine is primarily found in meat."

— Isabella Truong, Pharmacist

Standard Shipping - $12.95

  • 2 – 7 business days metro
  • 7 – 14 business days regional/remote

Express Shipping - $16.95

  • 1 – 3 business days metro
  • 3 – 7 business days regional/remote

Orders over $199 (after discounts) - Free*

  • 2 – 14 business days *(Standard shipping)

We aim to process all orders within 2–3 business days of your order being placed.

Orders placed on weekends or NSW public holidays will be processed on the next business day.

Delivery timeframes begin once your order has been dispatched. Actual times may vary due to courier network delays or regional location.

For more detailed information, see our Shipping & Delivery Policy.

Frequently asked question

Acetyl L-Carnitine plays a crucial role in the fat burning process by transporting long-chain fatty acids into the mitochondria. Once inside the mitochondria, these fatty acids can be oxidised (burned) to produce ATP—cellular energy. Without adequate carnitine, fat cannot effectively be used as fuel. The enzyme CPT1, which carnitine supports, is considered the rate-limiting step in fat oxidation—meaning increasing carnitine availability may enhance the body's ability to burn fat during exercise.

Unlike regular L-carnitine, the acetyl form effectively crosses the blood-brain barrier. Once in the brain, it supports dopamine production and neurotransmitter function. This can translate to improved focus, drive, motivation, memory, learning, and mood. Research suggests it has both neurotrophic (supporting nerve growth) and neuroprotective effects. Many users take it as part of their pre-workout for enhanced mental focus during training.

Pure Acetyl L-Carnitine naturally has a vinegar-like or slightly acidic smell—this is completely normal and indicates product purity. The smell doesn't reflect how it tastes when properly diluted in water or another beverage. When mixed correctly, most people describe only a slight bitter or lemon-water taste. This is actually a quality indicator—heavily processed or adulterated products may not have this characteristic smell.

Several groups may particularly benefit from Acetyl L-Carnitine. Vegetarians and vegans often have lower carnitine levels since it's primarily found in meat. Those on calorie-restricted diets for fat loss may benefit from enhanced fat metabolism. Athletes looking to support both physical and mental performance during training. Older adults interested in cognitive support, as carnitine levels naturally decline with age.