L-Arginine Caps – Supports Optimal Arterial Health – 700 MG (200 Capsules)

L-Arginine Caps – Supports Optimal Arterial Health – 700 MG (200 Capsules)

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About This Product

  • Supports optimal arterial function
  • Non-GMO and gluten-free

L-arginine is an amino acid that the body converts into nitric oxide, a vasodilator that promotes circulation and healthy cardiovascular function. While l-arginine is produced naturally by the body and obtained through diet, some individuals may struggle to get enough of it.

Formulated with 700mg of l-arginine per serving, these caps from Life Extension are a convenient way to ensure you maintain healthy levels of this amino acid.

Directions

Take one (1) capsule daily on an empty stomach, or as recommended by a healthcare practitioner. Store tightly closed in a cool, dry place.

Warning

Keep out of reach of children. Do not exceed recommended dose. Do not purchase if outer seal is broken or damaged. When using nutritional supplements, please consult with your physician if you are undergoing treatment for a medical condition or if you are pregnant or lactating.

Read More
Serving Size: 1 Capsule
Number of Servings: 200 Servings
Amount Per Serving
% Daily Value
VITAMIN C  - (AS ASCORBYL PALMITATE)
11%
L-ARGININE 
**%

Other Ingredients:

Vegetable cellulose (capsule), microcrystalline cellulose.

Brand:
Life Extension
Form:
Capsules
Strength:
700 MG
Serving Size:
1 Capsule
Number of Servings:
200 Servings
Price per Serving:
($0.12 / serving)
Product Weight:
8  OZ
Specialty Diets:
Non-GMO
Item # :
UX-13551 / 2300598
36 Ratings
4.8out of 5 stars
36 Ratings

Rated 5 stars by 86% of reviewers

Rated 4 stars by 11% of reviewers

Rated 3 stars by 0% of reviewers

Rated 2 stars by 0% of reviewers

Rated 1 star by 3% of reviewers

Would you recommend?
1-10 of 36 Reviews
Rated 5 out of 5
Feb 20, 2026
OK
Very good product
Rated 5 out of 5
Dec 12, 2025
Good Stuff
Always great products . Cost a tad more than others but more potent.
Rated 5 out of 5
Dec 3, 2025
Superb Skin Supplement
I'm am more than thrilled with the results of all my supplements that I've chosen to purchase from Life Extension. I have girls more than half my age now asking me to email them my list of Life Extension products so they can age like me. SO happy with the results that adding L-Arginine have produced. When I combined it with Lysine and Proline, my skin looked years younger.
Rated 5 out of 5
Sep 9, 2025
L
Great ??
Rated 5 out of 5
Aug 28, 2025
Excellent source
Been taking this for a long time. Really like it.
Rated 5 out of 5
May 12, 2025
Good product
Works great
Rated 5 out of 5
May 8, 2025
Silky Smooth Skin
I add this will proline and lysine for the ultimate in skin rejuvenation. Fabulous results
Rated 5 out of 5
Oct 16, 2024
Will order again
Great ingredients and feeling so much better since starting this product.
Rated 5 out of 5
Oct 15, 2024
L-Arginine
I'm very satisfied
Rated 4 out of 5
Jun 29, 2024
seems to be helping
seems to help
Disclaimer:

Product reviews are provided for informational purposes only and reflect solely the views and opinions expressed by the contributors and not those of the Vitamin Shoppe. Vitamin Shoppe does not verify or endorse any claims made in these reviews. Please read the full product reviews disclaimer.

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1 Question
Why did you choose this?

My first time. Hopefully the reviews stands up.

Trying it out

I like the brand

Have used L-Arginine for help with recovery from exercise

Disclaimer:

Product reviews are provided for informational purposes only and reflect solely the views and opinions expressed by the contributors and not those of the Vitamin Shoppe. Vitamin Shoppe does not verify or endorse any claims made in these reviews. Please read the full product reviews disclaimer.

 

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  1. Ship to an address within the United States (including U.S. territories)
  2. Place your online order of $35 or more* - after promotions and before tax are applied
  3. Use "Standard" shipping option at checkout

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Experts Break it Down


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5 Groups of People Who Could Benefit From More Amino Acids

Just like some folks can benefit from including more calcium or omega-3s in their diets, certain groups of people can reap better health by ramping up amino acids. Read on to discover if you’re one of the many people who could use more aminos in your life.

Which Pump-Boosting Amino Acid Is Better: L-Arginine Or L-Citrulline?

Which Pump-Boosting Amino Acid Is Better: L-Arginine Or L-Citrulline?

When it comes to fitness-boosting amino acids, BCAAs seem to get all of the attention. However, two other amino acids deserve some spotlight, too: l-arginine and l-citrulline. Here’s what you need to know about their unique benefits—and which to incorporate into your workout routine.

5 Amino Acids All Gym Lovers Should Know About

5 Amino Acids All Gym Lovers Should Know About

Whether you’re considering adding an amino acid supplement to your fitness routine, don’t know much about the one you’re already taking, or just want to understand the magic that happens inside your muscles—we’ve got all the amino info you need.

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