Top Arginine Brands for Optimal Wellness Boost

Arginine is a vital amino acid known for its numerous health benefits, including enhancing blood flow and supporting cardiovascular health. As the interest in supplements continues to grow, many individuals seek reliable brands to ensure they are consuming high-quality products. Several companies have established themselves as leaders in the supplement industry by offering arginine supplements that are both effective and trustworthy. For those curious to learn about the best brands available on the market, we invite you to explore the details below.

Illustration of arginine

Best brands of arginine in 2025

NOW Foods

NOW Foods, established in 1968, is a reputable producer of L-arginine supplements, offering pharmaceutical-grade quality in various forms, including 500mg and 1000mg capsules and tablets, with the double-strength option providing 1000mg per tablet. Their L-arginine is a conditionally essential amino acid that supports nitric oxide production, crucial for blood flow, and is also involved in protein and creatine synthesis, with many customers reporting improved energy and workout performance. NOW Foods L-Arginine products are GMP quality assured and made with globally sourced ingredients, often packaged in the USA. This supplement is also available in a 700mg option as well. You can find their 1000mg L-Arginine tablets here.

Jarrow Formulas

Jarrow Formulas is a reputable brand known for its high-quality supplements, including L-arginine, which is available in 1000mg tablets, and is a popular choice for supporting nitric oxide production, crucial for cardiovascular health and blood flow, while also aiding in protein synthesis for muscle growth and repair. Jarrow Formulas' L-arginine products, often in the form of vegan tablets, are produced using pharmaceutical-grade L-Arginine hydrochloride, and many users have reported increased energy, improved workout performance and better focus, highlighting the effectiveness of Jarrow Formulas as a reliable option for arginine supplementation; the products are also non-GMO, and free of common allergens such as wheat, gluten, soy, dairy, and nuts, making them a good choice for those with dietary restrictions. A common dose for this supplement is 1 tablet 1 to 2 times per day. You can find more information on their product here.

Optimum Nutrition

Optimum Nutrition is a leading brand in sports nutrition, offering various products containing arginine, an amino acid that can improve blood flow and workout performance. Their Gold Standard 100% Whey protein contains 1.92g of arginine per 100g, and Essential Amino Energy includes arginine along with other amino acids to boost energy and recovery, further supporting their reputation for quality supplementation. Their Platinum series also features arginine in pre-workout formulas like Platinum Pump, with 2g per serving, showcasing their diverse use of this ingredient. You can find more information on their official website.

Thorne Research

Thorne Research is a reputable brand that has been producing high-quality supplements for over 30 years, with their sustained-release L-arginine formula supporting heart health, blood flow, and nitric oxide production by providing 1000mg of L-arginine per serving. This supplement helps maintain healthy blood pressure and improve exercise capacity, and is manufactured in a cGMP-certified facility meeting FDA quality standards, ensuring a steady release of the amino acid for up to 24 hours with twice-daily dosing.

BulkSupplements

BulkSupplements is recognized as a top producer of arginine, offering products like their L-Arginine powder with 1000mg per serving, manufactured in a cGMP-compliant facility, ensuring purity through third-party testing. The L-Arginine powder is available in various sizes such as 1kg (2.2 lbs) and 500g (1.1 lbs), with many positive reviews citing its clean, pure quality. With a focus on quality and consumer satisfaction, BulkSupplements continues to provide trusted supplements to support a healthy lifestyle.

Doctor's Best

Doctor's Best has established itself as a leading producer of high-quality L-arginine supplements, with many of their products containing a 100% pure form of the amino acid, which was founded in 1990. The brand offers various forms like capsules, powders, and tablets, each designed for optimal absorption and effectiveness; the positive customer reviews often cite noticeable improvements in workout performance and vascular health with consistent use, which confirms it as a great choice for athletes and health enthusiasts. With many users reporting increased nitric oxide levels, a key component for supporting blood flow, Doctor's Best L-Arginine stands out for its consistent quality. Their commitment to providing superior supplements ensures that consumers receive products they can trust for health and performance improvement.

Solgar

Solgar, established in 1947, is a reputable producer of L-Arginine, offering it in free form within vegetable capsules for optimal absorption, with a typical dose of 500mg per capsule and available in 100 or 250 capsule bottles. It is often praised for supporting heart health and athletic performance, being vegan, kosher, and free of gluten, wheat, dairy, soy, yeast, sugar, salt, and artificial additives.

Pure Encapsulations

Pure Encapsulations, a leading brand in the supplement industry, is renowned for its high-quality, hypoallergenic products, including L-arginine, which is often found in their formulas at a 100% pure level; they have been producing top-rated supplements for over 30 years, ensuring maximum bioavailability and effectiveness. Their commitment to research-backed formulations and rigorous testing makes them a trusted choice for individuals seeking nutritional support; many of their products have been tested by third-party labs and have excellent consumer ratings based on 2024 statistics.

GNC

GNC is a reputable brand offering L-arginine supplements, with their 1000mg caplets being a popular choice for supporting blood vessel tone, as L-arginine is an essential precursor to nitric oxide; furthermore, GNC's L-arginine products are designed to aid in the removal of ammonia, a waste product of protein metabolism, from the body, and many users have reported improved energy levels and workout performance with the use of GNC's arginine, typically available in 90 or 180 caplet bottles. GNC has been committed to quality since 1935.

Nutricost

Nutricost is a reputable brand that produces high-quality L-Arginine supplements, offering both powder and capsule forms, with the powder providing 5 grams per serving and the capsules containing 1000mg each. They ensure their products are 100% pure, non-GMO, and gluten-free, manufactured in a GMP compliant, FDA registered facility. The 500 gram powder option provides 100 servings, and the products have received positive reviews for their effectiveness in workout performance. You can find their L-Arginine powder product here.