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Supplements/Compound

Agmatine Sulfate

Arginine metabolite with NMDA modulation and analgesic properties.

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Overview

Arginine metabolite with NMDA modulation and analgesic properties.

Natural sources
  • Endogenously produced or biosynthesized molecule
  • Standardized pharmaceutical- or food-grade supplement
  • Combined with cofactors that improve absorption or activity
Common forms
  • Capsule or softgel
  • Powder
  • Sublingual or buccal
  • Liposomal liquid

Mechanism of action

Blocks NMDA receptor, inhibits nitric oxide synthase, modulates imidazoline receptors.

Pathways
  • · Blocks NMDA receptor, inhibits nitric oxide synthase, modulates imidazoline receptors

Effects on the body

Supports
Adjunct for neuropathic pain

Organ system effects

Brain & CNS

Agmatine Sulfate acts on central nervous system targets implicated in attention, memory, and neuroprotection.

Evidence-based benefits

Adjunct for neuropathic pain

Limited evidence

Potential side effects

Common
  • · GI upset
Rare
    Serious

      Drug interactions

      Prescription medications (general)
      Always disclose Agmatine Sulfate use to your prescriber — additive, antagonistic, or pharmacokinetic interactions are possible.
      minor

      Supplement interactions

      Pairs well with
      • Omega-3 (EPA/DHA)
        Membrane fluidity and neuronal signaling support.
      • Alpha-GPC or CDP-choline
        Provides choline substrate for acetylcholine synthesis.
      Avoid combining with

      No specific avoidances listed.

      Dosing & bioavailability

      Typical dose
      1.25–2.6 g
      Best form
      Most evidence is based on the capsule or softgel form.
      Timing
      Consistent daily timing recommended; split larger doses if GI tolerance is a concern.
      With food?
      Empty stomach

      Where to buy

      Affiliate links — we may earn a commission at no extra cost to you. Amazon code supplementsch-20 is auto-applied at checkout. We don't endorse specific brands; verify third-party testing (USP, NSF, Informed Sport) before purchase.

      Scientific evidence8Show studies
      RCTPain Medicine · 2010

      Agmatine for neuropathic pain

      Keynan O, et al.

      12-week trial in 61 lumbar radiculopathy patients.

      Key findings

      2.67 g/day agmatine produced clinically meaningful pain reduction vs placebo.

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Agmatine Sulfate — Adjunct for neuropathic pain

      Live PubMed search

      Live results for "Agmatine Sulfate Adjunct for neuropathic pain" across the PubMed/MEDLINE peer-reviewed index.

      Key findings

      Opens current human and preclinical literature matching Agmatine Sulfate and "Adjunct for neuropathic pain". Filter by RCT, meta-analysis, or year on the results page.

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Agmatine Sulfate — randomized controlled trial

      Live PubMed search

      Live results for "Agmatine Sulfate randomized controlled trial" across the PubMed/MEDLINE peer-reviewed index.

      Key findings

      Opens current human and preclinical literature matching Agmatine Sulfate and "randomized controlled trial". Filter by RCT, meta-analysis, or year on the results page.

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Agmatine Sulfate — meta-analysis

      Live PubMed search

      Live results for "Agmatine Sulfate meta-analysis" across the PubMed/MEDLINE peer-reviewed index.

      Key findings

      Opens current human and preclinical literature matching Agmatine Sulfate and "meta-analysis". Filter by RCT, meta-analysis, or year on the results page.

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Agmatine Sulfate — pharmacokinetics

      Live PubMed search

      Live results for "Agmatine Sulfate pharmacokinetics" across the PubMed/MEDLINE peer-reviewed index.

      Key findings

      Opens current human and preclinical literature matching Agmatine Sulfate and "pharmacokinetics". Filter by RCT, meta-analysis, or year on the results page.

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Agmatine Sulfate — safety adverse events

      Live PubMed search

      Live results for "Agmatine Sulfate safety adverse events" across the PubMed/MEDLINE peer-reviewed index.

      Key findings

      Opens current human and preclinical literature matching Agmatine Sulfate and "safety adverse events". Filter by RCT, meta-analysis, or year on the results page.

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Agmatine Sulfate — dose response

      Live PubMed search

      Live results for "Agmatine Sulfate dose response" across the PubMed/MEDLINE peer-reviewed index.

      Key findings

      Opens current human and preclinical literature matching Agmatine Sulfate and "dose response". Filter by RCT, meta-analysis, or year on the results page.

      Open study
      Systematic reviewGoogle Scholar · 1970

      Google Scholar: Agmatine Sulfate — clinical evidence

      Live Scholar search

      Cross-database citation index for Agmatine Sulfate as it relates to "clinical evidence".

      Key findings

      Includes preprints, theses, and journal articles. Useful for tracking citation counts and follow-on work.

      Open study
      Educational use only. This profile is not medical advice. Consult a qualified healthcare professional before starting any supplement, especially if you take prescription medication or have a chronic condition.

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