Acetyl-L-Tyrosine

Tyrosine supplementation may help restore neurotransmitter levels, thereby improving alertness, motivation, and focus, especially under conditions of stress.

https://verybigbrain.com/nootropics/the-role-of-n-acetyl-l-tyrosine-nalt-in-enhancing-cognitive-processing/

https://examine.com/supplements/l-tyrosine/research/

https://verybigbrain.com/nootropics/n-acetyl-l-tyrosine-stress-relief-and-cognitive-resilience/

Acetyl-L-Carnitine

Acetyl-L-Carnitine enhances cognitive function by supporting acetylcholine production, regulating dopamine levels, promoting synaptic plasticity, and aiding in the formation of new neurons.

https://www.mdpi.com/2072-6643/12/5/1389

https://link.springer.com/article/10.1007/s44192-023-00056-z

https://clinmedjournals.org/articles/ijnn/international-journal-of-neurology-and-neurotherapy-ijnn-6-089.php

Ginkgo biloba

Ginkgo Biloba enhances cognition by improving brain blood flow and oxygen supply, modulating neurotransmitter levels, and supporting synaptic plasticity, thereby contributing to better memory and overall cognitive function.

https://academic.oup.com/ijnp/article/4/2/131/794929

https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0150447

https://www.mdpi.com/2076-3921/11/3/525

Alpha GPC

Alpha-GPC boosts cognitive function by increasing acetylcholine levels, enhancing neuronal communication, stimulating growth hormone production, and improving blood flow to the brain.

https://www.mdpi.com/2072-6643/13/6/2091

https://jissn.biomedcentral.com/articles/10.1186/s12970-017-0196-5

https://www.braintropic.com/nootropics/alpha-gpc/

L-Bitartrate choline

L-Choline Bitartrate enhances cognitive function by aiding in the synthesis of acetylcholine, supporting the formation of phosphatidylcholine for neuronal health, and promoting neuroplasticity.

https://nootropicology.com/choline-l-bitartrate/

https://lipidworld.biomedcentral.com/articles/10.1186/s12944-023-01844-w

L-Theanine

L-Theanine improves cognitive performance by increasing alpha brain waves, regulating neurotransmitters, reducing cortisol levels, and working synergistically with caffeine to enhance focus and attention while minimizing negative side effects.

https://www.mdpi.com/2072-6643/11/10/2362

https://www.frontiersin.org/journals/computer-science/articles/10.3389/fcomp.2020.00004/full

https://academic.oup.com/nutritionreviews/article/66/2/82/1863235#

Caffeine

Caffeine enhances cognitive function by blocking adenosine receptors, increasing neural activity and the release of neurochemicals, which in turn improves attention, reaction time, mood, and reduces the perceived effort required for tasks.

https://link.springer.com/article/10.1007/s00213-012-2917-4

https://academic.oup.com/aje/article/156/9/842/256007

https://link.springer.com/article/10.1007/s00213-012-2917-4

Zinc

Zinc enhances cognitive function by modulating synaptic transmission in the hippocampus, supporting neurogenesis and neuroplasticity, and regulating BDNF, which is vital for neuron growth and cognitive processes such as memory and learning.

https://www.mdpi.com/2072-6643/15/20/4396

https://www.mdpi.com/2218-273X/12/7/1000

https://www.cambridge.org/core/journals/british-journal-of-nutrition/article/zinc-and-cognitive-development/8976432C08C0778D679C705765E31F97

VitaminB6 P5P (Pyridoxal-5-Phosphate)

Vitamin B6 in its active form, P5P, is essential for the synthesis of acetylcholine and the conversion of amino acids into key neurotransmitters, thereby supporting memory, learning, mood regulation, and overall cognitive health.

https://www.mdpi.com/2072-6643/12/1/228

https://link.springer.com/referenceworkentry/10.1007/978-3-319-40007-5_81-1

https://openaccesspub.org/bioinformatics-and-diabetes/article/51