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Circulation support; Workout performance support; Cardiovascular wellness
Active adults or gym-goers looking for nitric oxide support and individuals who want a simple way to add this amino acid to their routine.
Take 1 capsule with water once or twice daily; for exercise-focused use, many people take it 30–60 minutes before activity.
L-arginine serves as a precursor to nitric oxide, which may help relax blood vessel walls and support healthy circulation and exercise blood flow.
Caution: May cause gastrointestinal discomfort in some people; start with the lower dose and take with water to reduce stomach upset. Consult a healthcare professional if you have kidney or liver concerns or use medications, as arginine can interact with certain therapies.
Label Warning: For adults only. Not intended for children or for pregnant women. Consult a healthcare provider before use if you have a medical condition such as kidney or liver disease, or if you are taking medication. Reduce dosage if nausea, abdominal cramps, or diarrhea occur.
Who should be cautious: People with kidney or liver concerns and those taking medications should discuss use with a healthcare provider before starting.
Storage: Store in a cool, dry place.
Many users mention better pumps, stamina, and overall exercise performance.
Frequently described as easy to swallow with no bad taste or smell.
Some reviews mention using it for blood pressure, but experiences vary and results may differ.
This product is guaranteed authentic and backed by our easy returns & refunds policy. Details
Omega-3 Fish Oil may complement L-Arginine by supporting cardiovascular health and reducing inflammation, enhancing overall wellness.
AI generated. Not medical advice.
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Get fundamental amino acid nutrition for less with Swanson L-Arginine. Our L-arginine makes an economical and effective addition to your dietary plan, especially if you are interested in supporting cardiovascular and immune system health. Each convenient capsule delivers 500 mg of free-form L-arginine.
As a dietary supplement, take one capsule one to two times per day with water.
Gelatin, magnesium stearate.
For adults only. Not intended for use by children or pregnant women. Consult your healthcare provider before use if you have a medical condition, such as renal or liver disease, or are taking medication. Reduce dosage if you experience nausea, abdominal cramps or diarrhea.
Keep out of reach of children. Do not use if seal is broken. Store in a cool, dry place.
While iHerb strives to ensure the accuracy of its product images and information, some manufacturing changes to packaging and/or ingredients may be pending update on our site. Although items may occasionally ship with alternate packaging, freshness is always guaranteed. We recommend that you read labels, warnings and directions of all products before use and not rely solely on the information provided by iHerb.
| Supplement facts | ||
| Serving Size: 1 Capsule | ||
| Amount Per Serving | %Daily Value | |
| L-Arginine (free-form amino acid) | 500 mg | * |
| *Daily Value not established. | ||
