-
- Supports cholinergic neurotransmission *
- Supports energy metabolism *
- Supports brain function and cognitive performance *
- Supports mood *
- Supports neuroprotection *
- Supports healthy aging *
Acetyl-L-Carnitine (ALCAR) is an acetylated form of L-carnitine. The major difference between ALCAR and L-carnitine is that ALCAR more readily crosses the blood-brain barrier, which is why it tends to be the preferred form for use in brain and nervous system support. The bioavailability of ALCAR is thought to be higher than that of L-carnitine. The name carnitine is derived from Latin “carnus” (flesh) because it was originally found in meat extracts. Adults eating animal products consume about 60–180 milligrams of carnitine per day [1]. Vegans get noticeably less (about 10–12 milligrams) [1], with vegetarians getting a bit more than vegans because of eating dairy products. The carnitine in ALCAR and L-carnitine supports the same functions. The most important role of carnitine is in mitochondrial fat metabolism—it is used to transport long-chain fatty acids across the mitochondrial membrane for breakdown by mitochondrial β-oxidation. This transportation function allows fats and oils from our diet to be used for energy production and enhances mitochondria potential to burn fat. Unlike L-carnitine, which does not contain an acetyl group, ALCAR can support acetylcholine synthesis, because the acetyl group in ALCAR can be delivered to coenzyme A to yield acetyl-CoA, which in turn can be used for the synthesis of the neurotransmitter acetylcholine. Acetyl-CoA can also be used for cell energy production as it is the primary substrate for the Krebs cycle in mitochondria, essential for the production of ATP. Accordingly, ALCAR has been shown to enhance cholinergic neurotransmission and support brain energy metabolism in several studies; it has also shown significant neuroprotective effects [2–5].
Brain and cognitive function
Mood
Physical strength and fatigue
Mitochondrial function
Healthy aging and longevity
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