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Agmatine Sulfate Capsules

L-arginine-derived compound that supports cognitive function, muscle pumps, healthy neurological function, and comfort through nitric oxide and neurotransmitter modulation.

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Agmatine Sulfate Capsules

L-arginine-derived compound that supports cognitive function, muscle pumps, healthy neurological function, and comfort through nitric oxide and neurotransmitter modulation.

(27 Reviews) Write a Review

View All Reviews

Available in multiple forms! Click Here for:
  • 250mg Pure Agmatine Sulfate Per Capsule
  • Supports Cognitive Function and Memory
  • Promotes Natural Nitric Oxide Support
  • Third-Party Lab Tested for Purity

3rd Party Lab Tested & Verified

See Why ND Agmatine Is The Best

Updated On: 05/23/2026

$14.99

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Benefits

When You'll Notice Effects

1-2 Weeks (With Immediate Effects)

Agmatine sulfate is derived from L-arginine. It supports cognitive function, promotes comfort and physical ease, supports healthy neurological function, and helps support cellular health by supporting mitochondrial function.

  • Cognition
  • Pain Support
  • Neuroprotection
  • Oxidation

Why ND Agmatine Sulfate?

The purest Agmatine Sulfate with HPLC verified purity and potency
test

How To Take

Dose
Dose

250mg (One Capsule)

Timing
Timing

Flexible

How to Take
How to Take

With Or Without Food

Frequency
Frequency

Once or Twice Per Day

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  • About Agmatine Sulfate Capsules

    Agmatine sulfate is a unique amino acid derivative formed when L-arginine undergoes decarboxylation. As both a neuromodulator and neurotransmitter, agmatine sulfate supports cognitive function while promoting muscle pumps through its effects on nitric oxide pathways. This versatile compound bridges the gap between brain health and fitness applications.

    Our Agmatine Sulfate Story

    Most agmatine products on the market failed to address the full spectrum of this compound's potential. While bodybuilders praised its pump-inducing effects and nootropics users valued its cognitive benefits, few suppliers understood the precise balance needed to optimize both pathways. The challenge was sourcing agmatine sulfate that maintained consistent potency across its diverse mechanisms of action.

    Our agmatine sulfate undergoes rigorous testing to ensure it meets the exacting standards required for both neurological and vascular applications. These precisely dosed 250mg capsules deliver reliable effects whether you're targeting NMDA receptor modulation for cognitive enhancement or nitric oxide regulation for improved blood flow and muscle pumps.

    Benefits

    • Supports Cognitive Function: Agmatine sulfate supports memory formation and learning through its interaction with NMDA glutamate receptors, which regulate synaptic plasticity and support communication between neurons.
    • Supports Comfort: By modulating glutamate activity and acting on NMDA receptors, agmatine sulfate helps support the body's natural comfort response pathways.
    • Supports Healthy Neurological Function: Agmatine sulfate helps modulate glutamate activity, supporting healthy neurological function.
    • Supports a Healthy Oxidative Response: Research demonstrates agmatine's ability to support healthy oxidative balance by modulating glutamate activity and supporting mitochondrial function.

    Agmatine sulfate also acts as a calcium antagonist to support cardiovascular function by helping support healthy blood vessel function. This enhanced blood flow promotes muscle pumps during workouts and supports overall circulatory health throughout the body.

    Quality and Standardization

    • High-Purity Agmatine Sulfate: Our agmatine sulfate capsules contain pure agmatine sulfate without fillers or additives, ensuring consistent dosing of 250mg per capsule.
    • Third-Party Lab Testing: Each batch undergoes comprehensive testing for identity and purity through third-party labs to verify quality standards and detect potential contaminants.
    • Standardized Manufacturing: We produce our agmatine sulfate capsules in facilities that follow Good Manufacturing Practices (GMP) to ensure batch-to-batch consistency and quality control.
    • Stable Sulfate Form: The sulfate salt form provides enhanced stability and bioavailability compared to free-form agmatine, making it ideal for neurotransmitter supplements that require consistent potency over time.

    Mechanism of Action

    • NMDA Receptor Modulation: Agmatine sulfate acts as a partial antagonist at NMDA glutamate receptors, helping to regulate excitatory neurotransmission and support healthy neurological function.
    • Nitric Oxide Synthase Interaction: By selectively interacting with neuronal nitric oxide synthase (nNOS), agmatine helps regulate nitric oxide production in the brain while supporting blood flow through peripheral vasodilation.
    • Calcium Channel Interaction: Agmatine interacts with voltage-gated calcium channels, particularly in blood vessels, which helps support calcium balance and supports smooth muscle function for healthy vascular function.
    • Alpha-2 Adrenergic Receptor Activation: Through its interaction with alpha-2 adrenergic receptors, agmatine supports the modulation of norepinephrine release and helps support the body's response to stress signals.
    • Polyamine Metabolism Regulation: As an endogenous regulator of polyamine synthesis, agmatine helps support cellular growth processes and protein synthesis while supporting healthy cellular function throughout the body.

    Overview of the Science

    Agmatine sulfate demonstrates neuroprotective properties through multiple cellular mechanisms that extend beyond basic neurotransmitter modulation. Research suggests that agmatine supports healthy stress responses at the neuronal level by protecting against corticosterone-induced cellular damage in hippocampal regions [1]. Studies indicate that agmatine's protective effects involve activation of the mTOR signaling pathway, which plays a crucial role in cellular growth, survival, and protein synthesis [2]. This pathway activation supports healthy cellular function, particularly in brain regions associated with memory formation and emotional regulation [3].

    Beyond its neurological effects, agmatine sulfate shows promise for gastrointestinal health and systemic inflammation management. Animal studies demonstrate that agmatine supports gastric tissue protection from ischemic injury by reducing vascular permeability, promoting digestive system integrity [7]. Research also indicates that agmatine supports a healthy inflammatory response throughout the body by modulating inflammatory pathways through the AhR-STAT3-IL-10 cascade [4]. Additionally, studies suggest that agmatine supports overall brain health and antioxidant defense systems by supporting healthy oxidative balance in microglial cells through inducing pre-adaptive cellular responses [5].

    Clinical research has explored agmatine's potential for supporting comfort in cases involving nerve-related discomfort. A human study examining agmatine supplementation in individuals with lumbar disc-associated radiculopathy found improvements in comfort scores and functional outcomes over a 14-day period [6]. The study participants received agmatine sulfate supplementation and showed statistically significant improvements compared to placebo groups, suggesting that agmatine's NMDA receptor modulation supports comfort for those experiencing nerve-related discomfort.

    [1] Freitas AE, Egea J, Buendia I, Gómez-Rangel V, Parada E, Navarro E, Casas AI, Wojnicz A, Ortiz JA, Cuadrado A, Ruiz-Nuño A, Rodrigues ALS, Lopez MG. Agmatine, by Improving Neuroplasticity Markers and Inducing Nrf2, Prevents Corticosterone-Induced [...]-Like Behavior in Mice. Mol Neurobiol. 2016;53(5):3030-3045.

    [2] Olescowicz G, Sampaio TB, de Paula Nascimento-Castro C, Brocardo PS, Gil-Mohapel J, Rodrigues ALS. Protective Effects of Agmatine Against Corticosterone-Induced Impairment on Hippocampal mTOR Signaling and Cell Death. Neurotox Res. 2020;38(2):319-329.

    [3] Meylan EM, Breuillaud L, Seredenina T, et al. Involvement of the agmatinergic system in the [...]-like phenotype of the Crtc1 knockout mouse model of [...]. Transl Psychiatry. 2016;6(7):e852.

    [4] Zhang M, Li G, Wang Y, Wang Y, Zhao S, Wang S, et al. Agmatine ameliorates sepsis-related intestinal injury via the AhR-STAT3-IL-10 pathway. Biochem Pharmacol. 2025;221:116018.

    [5] Chai J, Luo L, Hou F, Fan X, Yu J, Ma W, Tang W, Yang X, Zhu J, Kang W, et al. Agmatine Mitigates Inflammation-Related Oxidative Stress in BV-2 Cells by Inducing a Pre-Adaptive Response. Antioxidants (Basel). 2022;11(4):725.

    [6] Keynan O, Mirovsky Y, Dekel S, Gilad VH, Gilad GM. Safety and efficacy of dietary agmatine sulfate in lumbar disc-associated radiculopathy. Pain Med. 2010;11(3):356-368.

    [7] Al Masri AA, El Eter E. Agmatine induces gastric protection against ischemic injury by reducing vascular permeability in rats. World J Gastroenterol. 2012;18(18):2188-2196.

    Ingredients

    Agmatine Sulfate:

    • Pure agmatine sulfate
    • 250mg per capsule
    • No standardization listed

    Our agmatine sulfate capsules deliver precisely measured 250mg doses of pharmaceutical-grade agmatine sulfate derived from L-arginine through controlled decarboxylation. This manufacturing process ensures maximum bioavailability and potency compared to lower-grade forms that may contain impurities or inconsistent concentrations. Each capsule provides the exact dosing used in research studies, making it easier to achieve the targeted effects for both fitness applications and cognitive support without the guesswork of powder measuring.

    LACTOSE FREE
    GLUTEN FREE
    VEGAN
  • Frequently asked questions

    1. Can I take Agmatine Sulfate with other pre-workout supplements?

      Yes, agmatine sulfate pairs well with most pre-workouts and stacks naturally with citrulline and beta-alanine to support nitric oxide pathways and muscle pumps. Start with smaller doses when stacking to assess your tolerance.

    2. When should I take Agmatine Sulfate for best results?

      Agmatine sulfate can be taken with or without food. For workout pump, take it 30,45 minutes pre-training; for cognitive support, consistent daily timing works best, with many preferring mornings.

    3. How does Agmatine Sulfate work for muscle pumps?

      Agmatine sulfate supports muscle pumps by modulating nitric oxide pathways, acting as both an NOS inhibitor and enhancer for balanced, sustained vasodilation and blood flow during training.

    4. Are there side effects from Agmatine Sulfate?

      Agmatine sulfate is generally well-tolerated at recommended doses, though some users experience mild digestive upset, especially on an empty stomach. Our agmatine sulfate is third-party tested for purity.

    5. Why choose Nootropics Depot's Agmatine Sulfate over others?

      Our Agmatine Sulfate capsules deliver precisely dosed 250mg servings, in-house tested for purity and potency, and sourced to support both cognitive and fitness applications , something many single-focus brands skip.

    6. What is Agmatine Sulfate?

      Agmatine sulfate is an amino acid derivative formed from L-arginine decarboxylation, acting as both a neuromodulator and neurotransmitter. It supports cognitive function and muscle pumps via nitric oxide pathways, making it popular with athletes and nootropics users.

    7. Does Nootropics Depot's Agmatine smell stronger than other brands?

      Yes, Agmatine Sulfate has a distinct sulfur-like odor from the sulfate portion of the molecule. This is normal and actually a quality indicator, as lower-grade agmatine with more fillers tends to have less smell.

    8. Why does ND's Agmatine work better than other suppliers?

      Our Agmatine Sulfate is pharmaceutical-grade, third-party tested via HPLC, and verified at 250mg of active agmatine sulfate per capsule , something many lower-grade suppliers can't claim.

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Agmatine Sulfate Capsules

Agmatine Sulfate Capsules

$14.99