Amino acid/Protein

Arginine & Ornithine 500 mg / 250 mg

by NOW Sports · Capsule

Supplement facts from the label of Arginine & Ornithine 500 mg / 250 mg by NOW Sports: L-Arginine 1.0 Gram(s), L-Ornithine 500 mg.

Label of Arginine & Ornithine 500 mg / 250 mg, NOW Sports
Label image: NIH DSLD · full label (PDF)
Serving size2 Veg Capsule(s)
Servings per container50
Most servings a day on the label1
TypeAmino acid/Protein
Barcode733739000408
Label recordDSLD 335337 · entered 2025-07-24

Supplement Facts

IngredientPer serving% DVUpper limit (adults)
L-Arginine1.0 Gram(s)——
L-Ornithine500 mg——
└ L-Ornithine Hydrochloride644 mg——

Upper limits: NIH ODS Fact Sheets for Health Professionals. Compared only where the unit converts and the limit applies to the form on the label.

On the label

For: Vegan · Vegetarian · Adult (18 - 50 Years) · Kosher · Halal · Gluten Free · Dairy Free

Claim types: Nutrient · All Other · Structure/Function

Suggested/Recommended/Usage/Directions: Suggested usage: Take 2 capsules daily as needed, preferably with juice or water on an empty stomach, before exercise or at bedtime.

Formula re: Contains: Arginine & Ornithine combines two complementary amino acids in one convenient supplement. Arginine is required for proper elimination of urea from the body, which occurs through a critical metabolic cycle that detoxifies the body of nitrogen compounds that are normal by-products of protein metabolism. Ornithine is synthesized from arginine and is a precursor of citrulline, proline and glutamic aci

FDA Disclaimer Statement: These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

Precautions re: Children: Caution: For adults only. Keep out of reach of children.

Precautions re: All Other: Do not use if history of myocardial infarction or established coronary artery disease.

Precautions re: Pregnant or Nursing or Prescription Medications: Consult physician if pregnant/nursing, taking medication, or have a medical condition (including herpes and/or glaucoma).

This page repeats what the label says and the official upper limits for healthy adults. It is not medical advice: ask a doctor, pharmacist or registered dietitian about your own intake, especially if you are pregnant, take medicines or have a health condition.

Label data: NIH Office of Dietary Supplements, Dietary Supplement Label Database (dsld.od.nih.gov), public domain. Upper limits: NIH ODS Fact Sheets for Health Professionals (values from the Institute of Medicine, Food and Nutrition Board).