🧪 Neurotransmitter synthesis: precursors, amino acids and trace elements
What the brain builds its signals from
Neurotransmitters are chemical substances that transmit signals between neurons. Their levels affect mood, sleep, attention, memory and motivation. Synthesis of these substances requires amino acid precursors and several trace elements.
What are neurotransmitters
Key neurotransmitters and their functions:
- Serotonin — mood, sleep, appetite.
- Dopamine — motivation, pleasure, attention.
- Acetylcholine — memory, learning, muscle contraction.
- GABA — inhibition, relaxation, sleep.
- Norepinephrine — alertness, stress response.
Amino acid precursors
| Neurotransmitter | Precursor |
|---|---|
| Serotonin | Tryptophan → 5-HTP |
| Dopamine / norepinephrine | Tyrosine → L-DOPA |
| Acetylcholine | Choline |
| GABA | Glutamate |
Intake of these amino acids from food is the first step to neurotransmitter synthesis.
Cofactors and trace elements
Enzymes of synthesis require cofactors:
- Vitamin B6 (P5P) — important for many reactions, including dopamine and serotonin.
- Magnesium — participates in nervous system function.
- Iron — needed for dopamine synthesis.
- Folate — supports metabolism.
- Zinc — affects neurotransmission.
Supporting synthesis
- Balanced diet with adequate protein.
- Control B vitamin and magnesium levels.
- Adequate sleep and moderate physical activity.
- Reducing chronic stress.
What is serotonin synthesized from?
From the amino acid tryptophan via the intermediate 5-HTP.
What is dopamine formed from?
From tyrosine via L-DOPA.
What is the precursor of acetylcholine?
Choline.
What is GABA synthesized from?
From glutamate.
Which vitamin is important for synthesis?
Vitamin B6 (P5P) is important for many reactions.
Which trace element is needed for dopamine?
Iron is needed for dopamine synthesis.
Do precursor supplements help?
They may help with deficiency, but do not replace treatment.
Does diet affect neurotransmitters?
Yes, amino acids and trace elements from food are important.
Can GABA be increased?
Diet and lifestyle influence it, but the result varies.
What is needed for serotonin synthesis?
Tryptophan, vitamin B6 and adequate protein.