L-Arginine capsules by BulkSupplements.com is one of the selections of amino acids supplement. Arginine is an amino acid that is semi-essential and its considered a nitric oxide supplement.* Each capsule of this product contains 625mg of L-Arginine Base and take about 8 capsules (1000mg of L-Arginine Base) per serving. And, we sell L-Arginine gelatin capsules in 240 Count in resealable bottles, where it contains 30 days or 1 month supply. Our L-Arginine Base capsules is pure, clean and does not contain any fillers, additives, and artificial flavors. And, our Arginine supplement is dairy free, gluten free, soy free, yeast free, no added sugar. All products by BulkSupplements.com are manufactured according to cGMP Standards to ensure the highest quality for manufacturing, packaging, labeling, and holding operations. We work with a third-party laboratory that test our products at multiple stages during production, from raw material to finished products, and ensures compliance, standards, and consistency.