Et si ton intestin bloquait ton antidépresseur ? - E126

24 Nov 2025 · 19 min
Episode

24 Nov 2025 · 19 min

0:00

In this solo episode of her biohacking podcast for women, naturopath Ali Braggs explains why many patients on selective serotonin reuptake inhibitors (SSRIs) experience limited relief and how the gut microbiome can be a hidden barrier. She walks listeners through the biochemical cascade from the essential amino‑acid tryptophan to 5‑HTP, serotonin and finally melatonin, emphasizing the need for cofactors (vitamin B6, magnesium, iron, zinc) for efficient conversion. Ali then describes how SSRIs work – they block serotonin re‑uptake rather than increase its production – and why a dysbiotic gut that consumes or fails to produce enough tryptophan can render the drug ineffective. She cites a 2020 Cell Reports mouse study (Soto et al.) showing chronic stress‑induced dysbiosis depletes tryptophan, blunting SSRI response, and that fecal microbiota transplantation restored drug efficacy. Building on this evidence, Ali offers practical, naturopathic recommendations: consume tryptophan‑rich foods (eggs, poultry, salmon, nuts, seeds, cheese, Greek yogurt, dark chocolate), ensure adequate cofactors, incorporate fermented foods and targeted probiotics, eliminate refined sugar and processed carbs, manage chronic stress through breath work, yoga, meditation, and prioritize sleep hygiene (light exposure, melatonin support). She outlines her “3 R/4 R” gut‑repopulation framework – Repair, Restore, Remove, Repopulate – as a step‑by‑step guide to improve microbiome health and, consequently, antidepressant response. Throughout she stresses that she does not advise stopping medication, but rather collaborating with physicians and using these gut‑focused strategies to boost therapeutic outcomes and overall well‑being.

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