N-acetyl leucine

Bio-Activity Analysis
Blood-Brain Barrier Permeability
SCIENTIFIC DATA VISUALIZATION
Health Benefits & Sources
Why You Need It
- Enhanced Cognitive Function: Supports mental clarity, focus, and memory recall.
- Neuroprotection: May help protect brain cells from oxidative stress and degeneration.
- Mood Regulation: Plays a role in synthesizing neurotransmitters that influence happiness and calm.
Deep Dive
Unlike standard leucine, which primarily signals muscle protein synthesis, N-acetyl leucine is capable of crossing into the central nervous system more efficiently. Once there, it acts as a precursor to L-leucine, which is then used to produce glutamate and GABA—two critical neurotransmitters that balance brain activity. This mechanism suggests NAL could be beneficial for those experiencing brain fog, high cognitive load, or looking to support long-term brain health. It is distinct from HMB (beta-hydroxy beta-methylbutyrate), another leucine metabolite used for muscle preservation.
Natural Food Sources
It is important to note that you cannot eat 'pure' N-acetyl leucine off a tree. It is a processed derivative. However, you can consume the parent nutrient, Leucine, which your body uses to support metabolic pathways.
| Food | Amount | % DV (Approx) |
|---|---|---|
| Chicken Breast (Cooked) | 1 oz | ~15% |
| Canned Tuna | 1 oz | ~13% |
| Eggs (Whole) | 1 large | ~6% |
| Almonds | 1 oz | ~7% |
| Greek Yogurt | 1 cup | ~15% |
Supplementation
Because NAL is a semi-synthetic compound, dietary sources do not exist. It must be taken as a supplement.
- Dosage: Clinical data is limited, but common nootropic dosages for amino acids range from 500mg to 1500mg daily. Always follow product instructions.
- Who should take it: Individuals looking for advanced cognitive support or those interested in experimental neuroprotective supplementation.
- Timing: Often taken in the morning or early afternoon to support daytime cognitive performance.
Top Food Sources
Frequently Asked Questions
Safety & Side Effects
While generally considered safe due to the body's natural handling of amino acids, NAL is a research compound.
- Side Effects: Potential for mild gastrointestinal upset (nausea) or headaches, particularly at high doses.
- Interactions: No major interactions are documented, but caution is advised when combining with other sedatives or strong nootropics.
- Pregnancy/Breastfeeding: Avoid due to lack of safety data.
- Chemical Nature: It is chemically stable, but purity of supplements varies wildly. Third-party testing is essential.
Scientific References
- [1]Role of Branched-Chain Amino Acids in Brain Neurotransmitter Synthesis (Journal of Neurochemistry)
- [2]Therapeutic potential of N-acetyl-leucine in neurodegenerative disorders (Hypothesis papers)
- [3]Leucine and Brain Health: Metabolic Pathways (Nutrients Journal)