TAGGED RESEARCH

#Tryptophan

3TRANSMISSIONS FOUND

Neurotransmitter Depletion: The Biological Root of Depression & Anxiety

Depression and anxiety are not diseases of serotonin, dopamine, or GABA deficiency in any simple sense — they are the predictable neurological consequences of the multi-factorial biological breakdown that depletes the amino acid precursors, cofactor micronutrients, and neurological infrastructure required to synthesise and signal with these compounds at optimal levels. Tryptophan (the serotonin precursor) is diverted away from serotonin synthesis toward the pro-inflammatory kynurenine pathway by inflammatory cytokines; dopamine synthesis requires L-DOPA, copper, and vitamin B6 all of which are depleted by heavy metal competition and nutrient-poor diets; and GABA is synthesised from glutamate by glutamic acid decoderase, an enzyme requiring pyridoxal-5-phosphate (active B6) that is directly inhibited by aluminium. The pharmaceutical model of blocking neurotransmitter reuptake with SSRIs and SNRIs addresses none of these root causes and creates iatrogenic dependency whilst the biological causes of neurotransmitter depletion are ignored.

#neurotransmitters#serotonin

Scientific illustration for Tryptophan Steal and the De Novo Synthesis Paradox

NAD+ & Nicotinamide Biology

9 MIN READ

Tryptophan Steal and the De Novo Synthesis Paradox

Conventional medicine views Tryptophan solely as a precursor to Serotonin, yet the Kynurenine pathway consumes the majority of this amino acid to produce NAD+. In states of systemic inflammation, the 'Tryptophan Steal' diverts resources away from neurotransmission to support cellular energy demands. This article explores the ACMSD enzyme's role as a gatekeeper in the de novo synthesis pathway and why mood disorders often mask metabolic failure.

#Tryptophan#Kynurenine Pathway

Scientific illustration for Indole-3-Propionic Acid: The Microbial Sentinel of the Blood-Brain Barrier

Postbiotic Science

10 MIN READ

Indole-3-Propionic Acid: The Microbial Sentinel of the Blood-Brain Barrier

Indole-3-propionic acid (IPA) is a deamination product of tryptophan metabolism exclusively produced by the gut microbiota, serving as a powerful systemic antioxidant and neuroprotectant. IPA is unique in its ability to cross the blood-brain barrier and neutralize hydroxyl radicals without producing pro-oxidant intermediates, making it a key player in preventing neurodegenerative diseases. This article discusses the IPA-PXR signaling pathway and the lifestyle factors that deplete this essential microbial metabolite.

#Indole-3-Propionic Acid#Neuroprotection

CROSS-REFERENCED TOPICS

#neurotransmitters #serotonin #dopamine #GABA #depression #anxiety #inflammation #Kynurenine Pathway #Neurometabolism #ACMSD #Serotonin #NAD+ Synthesis #Mental Health #Indole-3-Propionic Acid #Neuroprotection