Best Soy-Free L-Arginine Supplements of 2026

The NOW Supplements L-Arginine 1000mg Tablets are a non-GMO, double-strength supplement that supports vascular health and metabolism management. Arginine is an important precursor of nitric oxide, which plays a role in the dilation of blood vessels. The product is pharmaceutical-grade, and the tablets come in a bottle of 120-count. The product is also Kosher, Soy-free, and gluten-free. However, customers are advised to be available during product delivery to prevent damage due to exposure to heat or sunlight.

The Best Naturals L-Arginine Supplement is a great product to promote nitric oxide synthesis and support heart health. Each tablet contains 1000mg of L-Arginine and the bottle includes 120 tablets. The product is non-GMO, gluten-free, and has been 3rd party lab tested for purity and quality. It is proudly made in the USA, in a GMP compliant and FDA registered facility. Additionally, the product is free of artificial colors, flavors, sweeteners, and preservatives, as well as common allergens such as milk, soy, and wheat.

Dorado L Citrulline Supplement is a powerful workout enhancer that supports nitric oxide production, energy, muscle growth, and recovery. With its cutting-edge ingredients, this supplement promotes blood flow to the muscles during training, leading to greater nutrient delivery and muscle fullness. By supporting nitric oxide, it helps relax and expand blood vessels, fueling nutrient delivery to working muscle tissue and creating an optimal environment for muscle building. This increased blood flow enhances pumps, strength, and endurance in the gym, allowing you to push your workouts to a new level. Made in the USA and manufactured in a GMP certified facility, Dorado L Citrulline Supplement is gluten-free, non-GMO, and vegan, ensuring premium quality and third-party tested reliability.

The Nutricost L-Arginine 1000mg Tablets come in a bottle of 150 tablets, with each tablet containing 1000mg of L-Arginine. This supplement is double strength and non-GMO, soy-free, and gluten-free. It is made in a GMP compliant, FDA registered facility, ensuring quality and safety. One bottle provides 150 servings of L-Arginine, which can potentially improve blood flow, exercise performance, and immune system function.

NOW L-Arginine 500mg is a non-GMO, kosher, and soy-free amino acid supplement, involved in urea metabolism, protein production, and blood vessel dilation. The product is GMP quality assured, ensuring compliance with sanitation, processing, documentation, and testing requirements for consistent and safe product quality. NOW L-Arginine is packaged by a family-owned business in the USA since 1968.

Dorado Nutrition L Arginine L Citrulline 3000mg Supplement is a powerful nitric oxide booster that supports muscle pumps, endurance, and performance during workouts. With its cutting-edge ingredients, this supplement promotes nitric oxide production and blood flow to the muscles, resulting in increased strength, stamina, and muscle fullness. By fueling nutrient delivery to working muscle tissue, it creates an optimal environment for muscle growth and recovery. Made in the USA and manufactured in a GMP certified facility, this gluten-free, non-GMO, and vegan supplement is of premium quality. Experience skin-tearing pumps, enhanced energy, and delayed fatigue with Dorado L Arginine L Citrulline Supplement.

VITBOOST L Arginine 1500mg is a premium supplement that combines Arginine HCI & Arginine Alpha-Ketoglutarate with Citrulline to provide the ultimate blend of three key Nitric Oxide ingredients that promote healthy circulation, energy levels, and blood flow to muscles. The formula is free from preservatives, additives, gluten, and sugars, ensuring an all-natural supplement that increases energy & focus without jitters.

Horbaach's L-Arginine 4000mg is a potent source of extra strength L-Arginine HCL, containing fundamental building blocks for daily protein synthesis. Its premium formula is derived from the purest free form amino acid, and it is naturally free of gluten, wheat, yeast, milk, lactose, soy, artificial color, and flavoring. Horbaach's L-Arginine 4000mg is laboratory tested and made with trusted ingredients, ensuring superior quality and a 100% guarantee.

The NOW Foods L-Ornithine supplement provides 500 mg of this important amino acid in easy-to-take vegetarian capsules. L-Ornithine supports your fitness routine by helping convert into other amino acids and creatine, which fuels muscle energy. It also plays a key role in healthy protein metabolism by assisting your body in removing ammonia, a waste product from protein breakdown. This means better muscle recovery and less fatigue for you. Plus, it’s made under strict quality standards with non-GMO and allergen-free ingredients, so you can trust its safety and purity.