Comparison
Fluvoxamine vs Tianeptine
Sigma-1 neuroprotection vs. fast-acting μ-opioid anxiolysis — radically different tools for mood and neuroinflammation.
Fluvoxamine
SSRI / Sigma-1 Receptor Agonist
Tianeptine
Atypical Antidepressant / μ-Opioid Agonist
Effectiveness Profile
At a Glance
| Fluvoxamine | Tianeptine | |
|---|---|---|
| Type | Nootropic | Nootropic |
| Legal status | Rx-Only | Grey-Market |
| Half-life | 17–22 hours (steady state) | 2.5 hours (sodium salt); ~8–12 hours (sulfate XR) |
| Preferred route | Oral | Oral |
| Dose frequency | once-daily | as-needed |
| Beginner dose | 25–50 mg | 12.5–12.5 mg |
| Intermediate dose | 50–150 mg | 12.5–25 mg |
| Advanced dose | 150–300 mg | 25–37.5 mg |
| Cycle length | 6–24 wks | 1–4 wks |
| Bioavailability | 53% | 99% |
| Time to peak | 5h | 1h |
| Active duration | 24h | 4h |
| Storage | Room temperature, 15–30°C, protected from light and moisture | Room temperature, dry, away from light |
| PCT required | No | No |
| Ancillaries required | No | No |
| Safe for women | Yes | Yes |
Verdict
Fluvoxamine wins for: neuroinflammatory conditions, cognitive resilience, SSRIs users sensitive to sexual side effects, and research use favoring sigma-1 modulation at sub-psychiatric doses. Side effect and dependence profile is well understood and manageable, with minimal abuse potential.
Tianeptine wins for: rapid mood elevation, acute anxiolysis, social fluidity, and post-cycle or harsh-diet mood stabilization — provided strict opioid-style protocols are followed. Onset and offset are both much faster, with a unique absence of sexual blunting, but carries real opioid-agonist dependence risk at high or frequent doses.
Pick A or B?
Pick Fluvoxamine if:
- Research focus is on sigma-1 receptor agonism or neuroprotection, especially in post-viral or neuroinflammatory models.
- Protocol targets OCD, intrusive thoughts, or serotonin-mediated symptoms while avoiding traditional SSRI sexual side effects.
- Stacks call for an SSRI with added anti-inflammatory action (FIASMA effect).
- Long-COVID, cognitive fog, or mitochondrial stress are primary endpoints.
- CYP inhibition is not a major concern for the overall protocol.
Pick Tianeptine if:
- The protocol requires fast-acting, opioid-mediated mood lift or anxiolysis, especially around social events or acute stressors.
- The research aims for post-cycle mood support in models where typical serotonergic agents are ineffective or counterproductive.
- Minimizing sexual or emotional blunting is a major experimental goal.
- Highly intermittent or single-use protocols (e.g., pre-shoot, pre-event) are acceptable and the risk of dependence can be strictly managed.
- Tolerance build-up and opioid-like withdrawal risks can be tightly controlled and monitored within the protocol.
Where to Buy

NextChems
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