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Description
Doctors Best - Acetyl-L-Carnitine (500mg) 60 capsProduct Description Doctor's Best Acetyl L Carnitine with BIOSINT 500mg VegeCaps 60 Acetyl L Carnitine (ALC) is a naturally occurring form of L Carnitine, a vitamin like nutrient synthesized in the body from the amino acids lysine and methionine. ALC plays a key role in the production of acetylcholine, an important neurotransmitter for brain and nerve cell function. Benefits Supports cognitive function, improved memory and mental alertness Key role in
Product Description
Doctor's Best - Acetyl L-Carnitine with BIOSINT 500mg VegeCaps 60
Acetyl-L-Carnitine (ALC) is a naturally occurring form of L-Carnitine, a vitamin-like nutrient synthesized in the body from the amino acids lysine and methionine. ALC plays a key role in the production of acetylcholine, an important neurotransmitter for brain and nerve cell function.
Benefits
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Supports cognitive function, improved memory and mental alertness
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Key role in production of Acetylcholine (key neurotransmitter for brain and nerve function)
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Support for energy metabolism in the brain
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Supports healthy membrane structure in brain cells
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Support for senile dementia, Alzheimers, depression
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Helps decrease free radical production in the brain
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Helps keep nerves healthy and in repair
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How does Acetyl-L-Carnitine work?
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ALC works in a similar way to L-Carnitine (both are fat carriers), but ALC carries the ‘Acetyl’ portion directly to the mitochondria (powerhouse of the cell) to produce ATP. ALC also crosses the blood –brain barrier (L-Carnitine does not) where it has specific benefits for brain neurons.
Supports cognitive function
ALC is structurally similar to acetylcholine - the most abundant neurotransmitter in the brain – important for brain and nerve cell function. Research has shown that brain neurons stimulated by acetylcholine are receptive to stimulation by ALC.
ALC is structurally similar to acetylcholine - the most abundant neurotransmitter in the brain – important for brain and nerve cell function. Research has shown that brain neurons stimulated by acetylcholine are receptive to stimulation by ALC.
Supports brain energy
The acetyl groups donated by ALC are used to produce energy in the cell. This is of particular benefit for organs that require high-energy inputs, such as the brain and heart. Many studies have shown that ALC helps to support healthy mitochondrial function and promote healthy membrane structure in neuronal membranes.
The acetyl groups donated by ALC are used to produce energy in the cell. This is of particular benefit for organs that require high-energy inputs, such as the brain and heart. Many studies have shown that ALC helps to support healthy mitochondrial function and promote healthy membrane structure in neuronal membranes.
Supports nerve growth factor
The body produces specialized proteins called growth factors that are essential to growth and repair of tissue. Nerve Growth Factor (NGF) prolongs the survival of neurons in the central and peripheral nervous systems.
The body produces specialized proteins called growth factors that are essential to growth and repair of tissue. Nerve Growth Factor (NGF) prolongs the survival of neurons in the central and peripheral nervous systems.
Ageing
Studies have shown that ALC may help brain neurons face the ageing process optimally by decreasing free radical production in the brain.
Studies have shown that ALC may help brain neurons face the ageing process optimally by decreasing free radical production in the brain.
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Active Ingredients
Ingredients: (Per capsule)
Acetyl-L-Carnitine 1000mg (from BIOSINT Acetyl-L-carnitine HCL) Other Ingredients
Magnesium Silicate, micro-crystalline cellulose, modified cellulose (vegetarian capsule), silicon dioxide, stearic acid
Non-GMO / Gluten Free / Vegan
Directions
Adults: 2 capsules daily with food. For additional benefit take 4 capsules per day, or more, as recommended by a nutritionally-informed physician
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4.8 ★★★★★
Based on 12 reviews
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Product Reviews
★★★★★ 5
🤗
Model: 17942
Excelente producto. Funciona perfectamente, se nota de buena calidad y la instalación fue sencilla. Llegó rápido y bien empacado. Muy satisfecho con la compra, lo recomiendo.
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Reviewed in the United States on March 19, 2026
★★★★★ 5
Starter
Model: 17825
Great OEM part for the price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 27, 2026
★★★★★ 5
Reliable and dependable
Style: 17548N
I installed a new starter on my 1995 Dodge Ram Cummins, and it has exceeded my expectations. Ive had it for about 20k miles now. Installation was straightforward, and the starter fit perfectly without any modifications. From the first turn of the key, it cranked the engine smoothly and reliably at a great price.
Since installing it, my truck starts every time, even in cold mornings, which has been a huge relief. The starter feels durable and well-built, giving me confidence that it will last for years of regular use. It’s clear that this is a quality part designed for heavy-duty performance, just what you need on a classic Cummins diesel.
Overall, I’m extremely satisfied with this starter. If you’re looking for a reliable, strong, and easy-to-install replacement for your Dodge Ram Cummins, this one is an excellent choice.
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Reviewed in the United States on March 25, 2026
★★★★★ 5
Good quality except for the supplied bolts.
Style: 18493N
So far starter works great. Be careful if you use the supplied bolts. They are not good quality. The last thing you want to do is snap them off in the block. The starter itself really spins the engine over. If it lives long, it's a great deal for the money.
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Reviewed in the United States on May 17, 2026
★★★★★ 5
Good starter for the money
Style: 18493N
Starter works great. It is fitted to a sbc 383 stroker/700r4. Was easy to install and comes with multiple shims for adjustment.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 6, 2026
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