Top Agmatine Brands: Unveiling the Leaders in Potency and Quality

When it comes to enhancing your fitness and wellness routine, agmatine supplements have gained attention for their potential benefits, including supporting nitric oxide production and promoting improved workout performance. In a market crowded with numerous brands, identifying the best agmatine supplements can make a significant difference in achieving your goals. Quality, purity, and customer reviews are essential factors to consider when choosing an agmatine brand. To help you make an informed decision, we have curated a list of some of the best agmatine brands available today. Discover which brands stand out from the rest in terms of their benefits and formulations below.

Illustration of agmatine

Best brands of agmatine in 2025

Nutricost

Nutricost is a reputable brand, recognized for producing high-quality agmatine supplements, offering both capsules and powder forms. Their agmatine sulfate products typically provide 1000mg per serving and are non-GMO, gluten-free, and 3rd party tested, manufactured in a GMP compliant and FDA registered facility. They are a popular choice for pre- and post-workout support and also for cognitive function, with some users reporting benefits for mood and sleep.

NutraBio

NutraBio, established in 1996, is a well-regarded producer of supplements, including agmatine, often called "super-arginine," known for its ability to boost nitric oxide levels for enhanced muscle pumps and improved nutrient delivery. Their agmatine sulfate is available in 500mg capsules and as a powder, and is 100% pure with no additives. It is manufactured in their own GMP facility, undergoing HPLC testing to guarantee its potency and purity.

Jarrow Formulas

Jarrow Formulas is a leading producer of agmatine, offering supplements known for enhanced absorption and bioavailability, with a presence in the competitive agmatine market that includes other major players. Their agmatine products often come in capsule form, catering to various consumer preferences for ease of use, and are part of a growing market driven by increased awareness of agmatine's potential health benefits, particularly in neuroprotection and mood enhancement. Jarrow Formulas is also recognized as one of the key players in the global agmatine market, alongside other companies such as NOW Foods and Swanson Health. Their commitment to quality and innovation positions them as a top choice for those seeking reliable agmatine supplementation.

NOW Foods

NOW Foods, established by Elwood Richard, is a recognized brand in the natural product industry, offering a variety of supplements, including agmatine, with a commitment to quality and affordability; their agmatine, often sold in 500mg capsules, is derived from L-Arginine, a substance formed in the first stage of nitric oxide formation and also a precursor of agmatine, supporting overall health; NOW Foods is among the major players in the agmatine market, which is projected to grow at a CAGR of 8.5% from 2023 to 2032, demonstrating a strong market presence; their products can be found in various stores and online, ensuring easy access for consumers seeking the benefits of agmatine; you can find more information about NOW Foods agmatine, specifically the 500mg capsules.

Kaged Muscle

Kaged Muscle, established with a focus on high-quality supplements, is known for incorporating agmatine sulfate in its pre-workout formulas, often alongside other ingredients like L-citrulline and beta-alanine to enhance nitric oxide production and muscle performance. While the exact percentage of agmatine may vary by product, Kaged emphasizes fully disclosed labels and scientifically backed ingredients. Their commitment to quality stems from rigorous testing of ingredients, ensuring effectiveness. Kaged Muscle offers a variety of supplements, including protein, creatine, and hydration products, all aiming to support athletic goals. You can find their products and more information on their official website.

SNS

SNS (Serious Nutrition Solutions) is a reputable brand, known for producing high-quality agmatine supplements, with their Agmatine XT powder providing 1000mg of Agmatine Sulfate per scoop, designed to enhance muscle pumps and improve endurance, also offering benefits like increased nitric oxide production, enhanced recovery, and support for lean muscle growth. This versatile supplement is popular among athletes and fitness enthusiasts because it helps with nutrient delivery, cognitive function, and cardiovascular health, all while being produced in cGMP-certified facilities. SNS Agmatine XT is available in both powder and capsule form, with some products containing 500mg or 1000mg of agmatine per serving, and is often taken 30-45 minutes before workouts to maximize benefits, promoting better overall body composition by increasing lean muscle and decreasing body fat.

BulkSupplements

BulkSupplements is a reputable brand, established as a top producer of agmatine, offering rigorously tested Agmatine Sulfate powder with a 1000mg dose per serving, ensuring high purity and effectiveness for fitness enthusiasts. They provide options ranging from 100 grams to 25 kilograms and are committed to quality by using cGMP standards with third-party testing, making it a trusted choice for those seeking to enhance their workouts with no fillers or additives.

Primaforce

Primaforce is recognized as a top producer of agmatine, offering high-quality supplements like their agmatine sulfate powder with 100 grams per container, and capsules containing 500mg of agmatine sulfate, all manufactured in a GMP-compliant and NSF-certified facility, ensuring potency and purity, with some products providing up to 133 servings per container. Primaforce products are tested by independent, ISO-accredited laboratories, promoting nitric oxide production to enhance athletic performance and muscle growth.

PureBulk

PureBulk is recognized as a reputable producer of agmatine, offering a pure and third-party lab tested agmatine sulfate powder, which is derived from the amino acid arginine, and is known to support nitric oxide synthesis, potentially improving exercise performance, cognitive function, mood, and stress resilience; while the exact percentage is not specified, the product is offered as a pure powder, and is available with an expiration date of 12+ months from the order date.

Swanson

Swanson is a reputable producer of agmatine, offering a potent 650mg of Agmatine Sulfate per vegetarian capsule, which is known to be more effective than L-arginine in boosting nitric oxide levels, supporting cardiovascular health, mental well-being, and increased energy. Their products are manufactured in GMP-certified facilities for nearly 50 years and are available with a 30-day money-back guarantee. You can find their Agmatine Sulfate product here.