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Doctor's Best Fast Acting Arginine Complex with Nitrosigine, Non-GMO, Vegan, Gluten Free, 750 mg, 60 Tablets

SKU: B017JXZPHI

$12.27

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From the manufacturer

Nitrosigine** is a patented ingredient of bonded arginine silicate. It has been clinically shown to significantly boost nitric oxide (NO) levels, a key factor in increasing blood flow to working muscles. Nitrosigine** is engineered to take effect in as quickly as 30 minutes. Nitrosigine** keeps delivering benefits through your entire workout, for up to 3 hours – after just a single dose! With continued use, nitric oxide levels build over time, leading to even better blood flow and vessel flexibility. Look for Nitrosigine** in your pre-workout products and get the pump you want.*1

Nitrosigin**, a novel, patented complex of bonded arginine silicate. Arginine is an amino acid used by the body to produce nitric oxide. Arginine is used as a substrate for the enzyme nitric oxide synthase, which is required for the production of nitric oxide in the body. Nitric oxide dilates blood vessels and increases blood flow. Nitric oxide is a substance critical for the maintenance of normal vascular function. Clinical trials have shown that oral arginine supplementation contributes to enhanced exercise tolerance because of its ability to help enhance cardiac circulation and vasodilation of blood vessels.2 Nitric oxide, the product of the arginine-nitric oxide pathway, also increases oxygen supply and protects the heart and other organs from damage and death. Nitric oxide mediates a number of physiological effects on the cardiovascular system, including supporting healthy endothelial function, enhancing cardiovascular health and displaying potent antioxidant properties against free radical species.2,3,4,5,6,7,8,9,10

Advantages of Silicon - Silicon, high silicon levels are present in arteries, maintaining the integrity of the lining of the aortic tissue. Silicon makes the inner lining of arterial tissue (tunica intima) less permeable. The aorta and the carotid artery of healthy persons contain much more silicon compared to arteries lined with plaque.12 Nitrosigine** has been shown to provide over 200% increase in silicon absorption compared to normal dietary intake.1

Clinical Studies - A clinical trial was performed to observe the benefits of using Nitrosigine**. Ten healthy males, took 1500 mg of Nitrosigin** for 14 days. Fasting blood and saliva collections were drawn from 30 minutes until 4 hours after receiving a dose. The study demonstrated that supplementation with Nitrosigine** resulted in a continually rapid increase in arginine and silicon levels for the first hour after receiving a dose. The test performed 4 hours after supplementation showed serum arginine and silicon levels remained elevated above baseline. After 14 days of use baseline levels of arginine appeared to be higher than on day one.1

A second clinical trial was performed on arginine silicate, Nitrosigine**, to determine its effects on markers of cardiovascular health. Human pharmacokinetic data show increased blood levels of these nutrients between 0.5 and 3 hours after administration. In order to evaluate proteomic changes due to ASI, blood samples were taken in healthy adult males during 14 days of Nitrosigine** administration, 1500 mg per day. Compared to pre-dose levels, the 6-hour post-dose protein analyses resulted in statistically significant changes in the levels of 73 proteins. With 14 days of Nitrosigin** use, levels of 87 out of 107 (81%) proteins changed significantly from pre-dose baseline. Proteins found to have the greatest percent increase were those associated with vasodilation and cardiovascular health. Proteins found to have the greatest percent decrease were those associated with cardiovascular, renal and metabolic dysfunction. Post-dose changes in blood arginine and silicon levels were significantly correlated with changes in proteins. In conclusion, Nitrosigine**supplementation significantly improved plasma protein concentrations associated with cardiovascular health after a single dose, and to an even greater extent, after 14 days of administration.11

In a small, double-blind, randomized controlled crossover trial, twelve healthy older-aged adults took supplemental arginine or placebo for 14 days, and treatments were then crossed over after a 14-day washout period. Flow-mediated dilation (a measure of endothelial function) of the brachial artery was monitored by ultrasound. Arginine improved flow-mediated dilation whereas placebo had no effect. Since endothelial function is normally compromised in healthy adults as we age, the results indicate that arginine is a useful supplemental nutrient to promote healthy endothelial function in healthy, aging individuals.13

Scientific References: 1) Kalman D, Feldman S, Samson A, Krieger D. A clinical evaluation to determine the safety, pharmacokinetics and pharmacodynamics of an inositol-stabilized arginine silicate dietary supplement in healthy adult males. FASEB J April 2014 28:LB418.

2) Bode-böger SM, Muke J, Surdacki A, Brabant G, Böger RH, Frölich JC. Oral L-arginine improves endothelial function in healthy individuals older than 70 years. Vasc Med. 2003;8(2):77-81.

3) Pieper GM, Siebeneich W, Dondlinger LA. Short-term oral administration of L-arginine reverses defective endothelium-dependent relaxation and cGMP generation in diabetes. Eur J Pharmacol. 1996;317(2-3):317-20.

4) Piatti PM, Monti LD, Valsecchi G, et al. Long-term oral L-arginine administration improves peripheral and hepatic insulin sensitivity in type 2 diabetic patients. Diabetes Care. 2001;24(5):875-80.

5) Adams MR, Mccredie R, Jessup W, Robinson J, Sullivan D, Celermajer DS. Oral L-arginine improves endothelium-dependent dilatation and reduces monocyte adhesion to endothelial cells in young men with coronary artery disease. Atherosclerosis. 1997;129(2):261-9.

6) Kawano H, Motoyama T, Hirai N, Kugiyama K, Yasue H, Ogawa H. Endothelial dysfunction in hypercholesterolemia is improved by L-arginine administration: possible role of oxidative stress. Atherosclerosis. 2002;161(2):375-80.

7) Clarkson P, Adams MR, Powe AJ, et al. Oral L-arginine improves endothelium-dependent dilation in hypercholesterolemic young adults. J Clin Invest. 1996;97(8):1989-94.

8) Higashi Y, Oshima T, Ozono R, Matsuura H, Kajiyama G. Aging and severity of hypertension attenuate endothelium-dependent renal vascular relaxation in humans. Hypertension. 1997;30(2 Pt 1):252-8.

9) Gokce N. L-arginine and hypertension. J Nutr. 2004;134(10 Suppl):2807S-2811S.

10) Pollock JS, Förstermann U, Mitchell JA, et al. Purification and characterization of particulate endothelium-derived relaxing factor synthase from cultured and native bovine aortic endothelial cells. Proc Natl Acad Sci USA. 1991;88(23):10480-4.

11) Komorowsk J, Rood-Ojalvo S, El-Sohemy A. Arginine silicate supplementation decreases markers of cardiovascular, renal and metabolic dysfunction and increases markers of vasodilation and cardiovascular health in healthy adult males. FASEB J. April 2015; 29:748.2

12) J. Loeper, J. Loeper, M. Fragny. The physiological role of the silicon and its antiatheromatous action. Bio of Sic RP, NFS. 2978;40:281-296.

13) Brown AA, Hu FB. Dietary modulation of endothelial function: implications for cardiovascular disease. Am J Clin Nutr. 2001;73(4):673-86.

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Shipping & Returns

Domestic Shipping

Delivery occurs 6 to 10 business days after processing ends, pending availability and credit card verification. Processing the order can take up to 10 business days. Please allow additional processing time during promotional events. Ground delivery to Hawaii and parts of Alaska may take more than 8 business days. 

 

Luxotia will contact you with a follow-up email if the merchandise you have selected is not available at the time of order processing.

You will be fully charged for any item ordered, the moment you placed the order. The charge is an automatic process. If you change your mind since the order ships, we will issue a full refund without any fine or any kind of tax.

You will be contacted by e-mail with a tracking number when your order leaves our distribution center.

Please note that items are not guaranteed in stock due to orders being filled from multiple locations. If we are unable to complete your order, you will be notified via email as soon as possible.

We are responsible for your new purchase until it reaches the Post Office.

In the case that your shipment is lost or damaged in transit, you are responsible to file the claim with USPS / UPS or any other shipping carrier. We are not responsible for lost packages during transit or shipments sent to forwarding services or companies, regardless of the shipping service selected. If you place an order and your shipping address is a forwarding address, you are responsible for contacting your forwarding company or service to locate your shipment.

We are not responsible to weather related damage or delays. 

We cannot ship to Post Office Boxes.

We cannot ship to US territories including American Samoa, Baker Island, Federated States of Micronesia, Guam, Howland Island, Jarvis Island, Johnston Atoll, Kingman Reef, Commonwealth of the Northern Mariana Islands, Midway Islands, Navassa Island, Palmyra Atoll, Puerto Rico, U.S. Virgin Islands, and Wake Island.

Return Policy


If a purchase was made on or after 2/15, customers will be able to return to stores for 30 days after stores reopen.


At Luxotia, we want you to be pleased with your purchase. If for any reason you are not completely satisfied, you may return or exchange your purchase when it is presented with established proof of purchase in saleable condition. Simply follow the guidelines below:

Returns are eligible for a full refund if returned within 30 days with a receipt.Unfortunately, we cannot exchange, replace or credit gourmet, monogrammed or personalized items.We recognize that returns are important to our customers. To ensure a positive shopping experience for all our customers, if we identify an unreasonable return pattern, we may restrict or refuse future transactions from such customers.For all returns, merchandise must be presented in saleable condition and established proof of purchase is required.How to Make a Return

1. GET YOUR INVOICE READY
To start your return you will need to find your order number in one of these locations below:

Top right corner of your packing slipSubject line of your shipping confirmationLuxotia.com account - Order History

2. PREPARE YOUR PACKAGE

Pack your return securely, in the original package, if possible, and include your printed invoice.Contact us at contact@luxotia.com to issue a packing slip (return slip)Affix your shipping label to the package, making sure no other tracking labels are showing.


3. SHIP IT

When your package is ready, you can ship it via FedEx or the U.S. Postal Service

For FedEx, drop it off at your nearest FedEx location.For the U.S. Postal Service, give it to your mail carrier or drop it off at your nearest post office.


4. TRACK IT

Click on the "track Your Return" button in your return confirmation email to track the status of your return. Please allow 10-14 business days for the processing of your return by mail.


Refunds in the form of original payment can take up to 3 weeks to be credited back to your account

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Doctor's Best Fast Acting Arginine Complex with Nitrosigine, Non-GMO, Vegan, Gluten Free, 750 mg, 60 Tablets

Doctor's Best Fast Acting Arginine Complex with Nitrosigine, Non-GMO, Vegan, Gluten Free, 750 mg, 60 Tablets

$12.27
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