SKU: 84095520190

Natural Factors L-Arginine 500mg - 90 Capsules

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Description

Natural Factors L-Arginine 500mg - 90 CapsulesArginine is a conditional amino acid, which means it can be manufactured by the body. However, in times of illness and stress, more may be needed than the body can produce. Arginine is found in foods such as dairy, meat, and fish. As a dietary supplement, free form L arginine is easier for the body to utilize, as free form amino acids are already singular molecules that dont require digestion. Arginine supports healthy heart function, strengthens the

Arginine is a conditional amino acid, which means it can be manufactured by the body. However, in times of illness and stress, more may be needed than the body can produce. Arginine is found in foods such as dairy, meat, and fish. As a dietary supplement, “free form” L-arginine is easier for the body to utilize, as free form amino acids are already singular molecules that don’t require digestion.

Arginine supports healthy heart function, strengthens the immune system, improves healing, and enhances the power, strength, intensity, and recovery of muscles. It also increases the production of nitric oxide, a substance that dilates blood vessels, aids in circulation, lowers blood pressure, and helps prevent atherosclerosis. As a result, arginine is able to protect the cardiovascular system against atherosclerosis, high blood pressure, blood clots, high cholesterol, and other conditions.

Arginine stimulates protein synthesis and increases the force and power of skeletal muscle, which helps athletes and bodybuilders increase strength, optimize lean body mass, increase performance, and promote recovery. High intensity training weakens the immune system and can cause inflammation and injury. Arginine counteracts these effects by enhancing immune function, decreasing inflammation, and improving wound healing. It’s especially important for athletes who train intensively, as they require extra support during training and a shorter recovery period.

Main selling features

500 mg tablets provide easily absorbed free form L-arginine

Improves circulation by improving blood flow

Supports performance, healing, and immune system of athletes and bodybuilders

For use by those with stable a cardiovascular system

Vegetarian capsules

How it works

Arginine is an amino acid that is involved in protein production, wound healing, and the production of nitric oxide and other important compounds. Nitric oxide is a molecule that is involved in many physiological processes, especially in the cardiovascular system. Many diseases are associated with low production of nitric oxide including diabetes, heart disease, high cholesterol, high blood pressure, obesity, and aging. Nitric oxide dilates blood vessels, increases blood flow, improves functioning of the endothelium, and inhibits platelet aggregation and smooth muscle proliferation. These effects help maintain normal cardiovascular function and blood pressure, and protect against oxidative damage. 

In skeletal muscle, arginine causes the release of nitric oxide, prostaglandins, and other powerful compounds that increase muscle force and power, stimulate protein synthesis, maintain glucose homeostasis, and increase blood flow to muscles. 

Arginine stimulates the release of hormones from the pituitary and adrenal glands, including growth hormone, insulin, and glucagon, which may help bodybuilders increase muscle strength and lean body mass. Arginine promotes protein synthesis, improves collagen deposition, improves wound strength, decreases inflammation, and strengthens the immune system, making it an important supplement for wound healing.

Ingredients

Medicinal ingredients

Each capsule contains:

L-arginine (hydrochloride)

500 mg

Non-medicinal ingredients

Rice starch, vegetarian capsule (carbohydrate gum [cellulose], purified water), vegetable grade magnesium stearate (lubricant).

Suggested Usage

Recommended Adult Dose: 4 capsules 3 times daily with meals or as directed by a health care practitioner.  If you suffer from a cardiovascular disease, consult a health care practitioner for use beyond 6 weeks. 

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SKU: 84095520190

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J
Jocelyn Turner
Draper, US
★★★★★ 5
Great Spinning Jewelry Box
If I could give this more stars and recommendations, I would! There are different compartments for every piece of jewelry you might have. And with my recent obsession with jewelry, this box has been quite handy! The design, along with the organization of each piece, is top-tier, plus it rotates!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 2, 2025
L
Laura
Louisville, US
★★★★★ 5
Inventive, rotating and spacious!
This is a really clever design for a jewelry box. I love how it rotates so that you can access many parts of it easily. I like the top that you can put your most worn necklaces or bracelets in. The mirror compartment that comes out is pretty clever and useful. There is a part that comes out that holds rings and bracelets and then another compartment that comes out that holds necklaces on both sides. Then of course there's one of the sides of the rotating box that has a place for your earrings and even a place that you can drop other pieces in the bottom of that side. There's so many things to love about this rotating jewelry box. My favorite has to be what I call the favorites compartment. It's the part that you pull down a glass window and it has a place for everything. You can put four necklaces several Rings several earrings right in that one spot. I'm definitely going to be using that part the most. I'm really happy with it! It's really great for meeting personal jewelry storage needs or as a gift. It's unlike any jewelry box I've ever seen. It's a good price for what you get as well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 19, 2025
T
The Cats
Lake Worth, US
★★★★★ 5
This Rotating Jewelry Box Is a Game-Changer for Organizing Your Collection
This jewelry box is a total winner for anyone who loves to keep their accessories beautifully displayed yet perfectly organized. The design is elegant and modern, with a clean cream finish, gold-tone handle, and a clear panel that gives it a sophisticated, boutique-style look. It’s thoughtfully structured with specific compartments for everything — earrings, necklaces, rings, watches, and even a top tray that’s ideal for everyday pieces you reach for the most. The built-in mirror adds a functional touch, making it easy to put on jewelry without having to move to another room. But the real showstopper? The entire box rotates smoothly, giving you 360° access to your collection — stylish and practical. This piece doesn’t just store jewelry; it elevates your space. Perfect for anyone who wants a beautiful and functional way to organize their treasures without clutter.
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Reviewed in the United States on October 20, 2025
N
Nikki
Louisville, US
★★★★★ 5
Easy access from the wonderful design
I love this jewelry box!!! It holds sooo much and everything is easy and convenient to access with the spinning design! Functioning: The designated hooks for necklaces keep them from getting tangled. The slide out drawers are easy to pull and I love that it has space specifically for bracelets or watches! I am thrilled with the holes to keep earrings together and pairs easy to grab, dangling or hoops work well on in the side area. All that is awesome , but pair it with the tray design on top to catch the jewelry I would otherwise toss on the dresser in a hurry and it's just a fabulous design. The leather exterior is beautiful. I wasn't sure about it not being wood, but the quality is fantastic and I'm so happy I took the chance and got it!!! Well worth the price and would make a great gift!
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Reviewed in the United States on October 16, 2025
J
Jacquelyne Grubbs
Houston, US
★★★★★ 5
Beautiful box that spins
Very nice jewelry box with Spinny on the bottom, plenty of compartments for different options of different types of jewelry
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 17, 2025

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