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L-Arginine Supplements Review
Choose the Best L-Arginine Supplement. Find Out Which L-Arginine Supplement Passed CL's Tests.
Make sure you're choosing the best L-arginine supplements approved in our tests!
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Alphabetical list of L-arginine supplement brands compared in this review
Country Life L-Arginine Caps
Daily Wellness ArginMax- Women
Elements of Health Care L-Arginine Plus - Grape
GNC L-Arginine
Havasu Nutrition L-Arginine Extra Strength
MuscleTech L-Arginine SX-7 Black Onyx
NOW L- Arginine
PipingRock.com L-Arginine
Purethentic Naturals Premium Arginine
Puritan's Pride L-Arginine
Rexall L- Arginine
Solgar L-Arginine 500 mg
Spring Valley L- Arginine
Sundown Naturals L-Arginine 500 mg
Swanson Super Strength L-Arginine
The Vitamin Shoppe L-Arginine
Twinlab L-Arginine
Vitacost L- Arginine HCl
Vitamin World Maximum Strength L-Arginine
You must be a ConsumerLab.com member to get the full test results along with ConsumerLab.com's findings, recommendations, and quality ratings. You'll get results for 18 L-arginine supplements: ten selected by ConsumerLab.com and eight that passed the same testing in our voluntary Quality Certification Program. There's also information about one product that is similar to one which passed testing but is sold under a different brand name.
You'll get the following information about L-arginine supplements in this comprehensive review:
- Which L-arginine supplements passed or failed testing
- Which L-arginine supplements are the best value and CL's Top Picks
- What L-arginine can and cannot do for your health
- How forms of L-arginine ("free form," L-arginine HCl, and L-arginine-alpha-ketoglutarate) differ from one another
- The dose of L-arginine for specific uses
- What to look for on product labels and how to take L-arginine supplements
- Why the amino acid citrulline is often added to L-arginine supplements and whether it's been shown to help
- Cautions, side effects, and drug interactions with L-arginine
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Related CL Answers (4)
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Additional Information
Tested through CL's Quality Certification Program prior to, or after initial posting of this Product Review.
