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#9 in Amino Acids Third-Party Tested
Nutricost L-Arginine 500mg
by Nutricost
"Direct nitric oxide precursor for blood flow, erectile function, and cardiovascular health"
Amazon Rating
4.5/5
Reviews
14,560
Price Range
$14.99 - $19.99
Servings
300
GMP CertifiedNon-GMO
Our Editorial Rating
7.7
Good
Overview
L-Arginine is the direct precursor to nitric oxide via nitric oxide synthase. While citrulline is more effective for sustained NO production, arginine provides immediate substrate. Research shows benefits for blood pressure, erectile function, and exercise performance.
Key Ingredients
| Ingredient | Amount |
|---|---|
| L-Arginine HCl | 500mg |
1 ingredient linked to detailed encyclopedia profiles
Pros & Cons
What We Like
- 300 capsules incredible value
- Direct NO precursor
- Erectile function research
- 5 cents per capsule
What Could Be Better
- 500mg per capsule (need 3-6g)
- First-pass metabolism reduces effectiveness
- Citrulline often preferred
Who Is This For?
Best For
- Blood flow support
- Erectile function
- Cardiovascular health
Not Ideal For
- Those who've tried citrulline (more effective)
- Herpes outbreaks (may worsen)
Our Verdict
7.7/10 — Good
The direct NO precursor. 300 capsules for blood flow and erectile function.
Alternatives to Consider
No direct alternatives listed for this product yet.