SKU: 37733439363

NOW SPORTS L-Arginine (454 gr)

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Description

NOW SPORTS L-Arginine (454 gr)NOW L Arginine 454 Gram(s) NPN : 80024998 A non essential amino acid that is involved in protein synthesis May help support a modest improvement in exercise capacity in individuals with stable cardiovascular disease (CVD) Pharmaceutical grade Non GMO L Arginine is a conditionally essential basic amino acid involved primarily in urea metabolism and excretion, as well as DNA synthesis. L Arginine is the substrate for the synthesis of nitric oxide (NO),

NOW - L-Arginine - 454 Gram(s) - NPN : 80024998

  • A non-essential amino acid that is involved in protein synthesis
  • May help support a modest improvement in exercise capacity in individuals with stable cardiovascular disease (CVD)
  • Pharmaceutical grade
  • Non-GMO

L-Arginine is a conditionally essential basic amino acid involved primarily in urea metabolism and excretion, as well as DNA synthesis. L-Arginine is the substrate for the synthesis of nitric oxide (NO), a cell-derived relaxing factor that is essential for regulating vascular tone and blood flow. It also supports the manufacture of creatine, an energy substrate for muscles.

95% of creatine is located in the skeletal muscle. This powder version allows for controlled dosing. Our NOW® natural and organic Supplements are an effective way to ensure you and your loved ones are getting essential vitamins, minerals and nutrients for daily optimal health.

Since 1968, NOW®has been making top quality products that are tested to the highest standards to empower people to lead healthier lives.

Our promise - what is on the label, is precisely what is in the bottle.

INGREDIENTS Each level teaspoonful (5 ml) contains:
L-Arginine 2300mg.

DIRECTIONS & USE
Adults: Protein synthesis: Take 1 to 3 level teaspoons (2.3 g to 6.9 g), 1 to 3 times per day between meals or at bedtime with a drink.
Do not exceed 8 g per single dose or 21 g per day.

Adults: Improvement in exercise capacity in individuals with stable CVD: Take 2 to 3 level teaspoons (4.6 g to 6.9 g), 2 to 3 times per day between meals or at bedtime with a drink.
Do not exceed 8 g per single dose or 21 g per day.

Consult a health care practitioner for use beyond 12 weeks.

CAUTIONS & NOTES

  • Do not use if you have had a heart attack/myocardial infarction.
  • Consult a health care practitioner if your cardiovascular condition worsens.
  • Consult a health care practitioner prior to use if you are pregnant or breastfeeding, if you have a renal/kidney disease or if you are following a low protein diet, if you suffer from a cardiovascular disease and are attempting an increase in physical activity, or if you are taking medication for cardiovascular diseases, erectile dysfunction, and/or blood thinners. Some people may experience gastrointestinal discomfort (such as diarrhea).

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 37733439363

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4.7 ★★★★★
Based on 10 reviews
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Verified Purchase
Nicole Hoelting
San Leandro, US
★★★★★ 5
Finally sleeping through the night without waking up drenched
I was dealing with night sweats almost every night. Waking up overheated, flipping my pillow over constantly, just uncomfortable and restless. It was starting to mess with my sleep in a real way. Since switching to this cooling pillowcase (and pairing it with a cooling blanket), it’s been a completely different experience. I’m actually staying cool through the night and not waking up soaked or irritated. The fabric feels cool to the touch right away and doesn’t trap heat like a regular pillowcase. It’s smooth, comfortable, and still feels good after washing. Not stiff or weird like some “cooling” materials can be. Is it magic? No. But does it noticeably reduce overheating and help you sleep better? Absolutely. If you run hot at night or deal with night sweats, this is one of those small upgrades that makes a big difference. I wish I had bought it sooner.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 19, 2026
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Verified Purchase
Amazing Sally
Grantham, US
★★★★★ 5
so far so good
I was surprised at this pair of pillow cases only because the material seemed impossible to be cooling - it's that weird polyester blend. So far I have not awoken feeling sweaty around my face and scalp. I don't recall what I originally paid but I think it is great value for money! If you are sensitive to out of the box smell, I washed mine first and it didn't impede on the efficacy of the cooling!
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Reviewed in the United States on April 28, 2026
D
Verified Purchase
Devin Hill
Birmingham, US
★★★★★ 5
It’s like sleeping on a beach in San Vito lo Capo
Italian voice: I’m a big meaty fella so I put off a lot of heat ya hear. These pillow cases have changed my life. One moment they’re hot and the next you flip them and you’re blasted with a blast of ice cool what it feels like to chew 5 gum feeling capeesh. I would reccomend these pillow cases to even my grandma. If ya wanta get a rest so good that it feels like ya been sleeping with the fishes get these pillow cases, they’re the real deal. Then stop at Pauline’s joint and grab a slice of pizza say Vinnie sent ya. Anyways I gotta go my wife’s cooking up a mean lasgna and we’re gonna watch the dodgers. Let me know how these treat ya I guarantee they will change your life. Vinnie out
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Reviewed in the United States on February 15, 2026
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Verified Purchase
Amazon Customer
Louisville, US
★★★★★ 4
Soft "cooling" case.
Yes it is very cool when you lay on it. It doesn't stay cold though. Within a minute or 2 to whatever your temp is.
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Reviewed in the United States on December 25, 2025
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Verified Purchase
CountryGal
West Palm Beach, US
★★★★★ 5
Great for hair and skin. Great buy.
These pillow cases are great for my hair and skin. They look good, hold up well in the washer and dryer, and the price is great. They are cooling. Of course I wish they could be more cooling, but honestly I'm not sure that's even possible. Great pillow cases. Already bought more for other heads. Would buy again.
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Reviewed in the United States on March 11, 2026

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