Sustained plus Immediate Release L-Arginine 500 mg®
Amino Acids & ProteinBrand: Doctor's Best
Net Contents
120 Bilayer Tablet(s)
Serving Size
2 Tablet(s)
Servings Per Container
60
Supplement Form
Tablet or Pill
Bar Code (UPC/SKU)
7 53950 00200 5
Product Version
YDRB200-1
Label Analysis
Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.
Single-ingredient formula listed in Supplement Facts.
Every active ingredient discloses a specific amount per serving.
Label states: Vegan, Vegetarian, Non-GMO, Gluten-Free.
This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.
Allergen Guide
Free From
- Soy
- Gluten
Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.
Supplement Facts
Serving Size: 2 Tablet(s) · 1 per day
| Ingredient | Amount Per Serving | |
|---|---|---|
| L-Arginine | 1000 mg | — |
| L-Arginine(L-Arginine Alpha-Ketoglutarate) | 500 mg | — |
| L-Arginine(L-Arginine Alpha-Ketoglutarate) | 500 mg | — |
Not Present
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Suggested Adult Use: Take 2 tablets daily without food, or as recommended by a nutritionally-informed physician.
Warnings & Precautions
Precautions re: Children
Warning: Not intended for individuals under the age of 18.
Precautions re: Pregnant or Nursing or Prescription Medications
Consult your physician if pregnant, nursing, have a medical condition, taking nitrates, warfarin, sildenafil (Viagra), medications for hypertension, diabetes, or other supplement that may lower blood pressure while taking in concomitant with this product.
Precautions re: Children
Keep out of reach of children.
Storage
Storage
Store in a cool dry place.
Formulation
Formula re: Contains
Doctor's Best Sustained plus Immediate Release L-Arginine contains this essential amino acid in a bilayer tablet, with two tablets providing 500 mg of sustained release and 500 mg of immediate release L-arginine in a formula that delivers enhanced blood levels. These tablets are specifically manufactured to immediately increase blood levels of L-arginine and then to sustain this beneficial increase continuously over an 8-hour period.
Formula re: Contains
Research suggests that arginine supplementation helps increase muscle mass and may also positively beneficial in improving endurance as it is a precursor to creatine, which helps supply energy to all cells of the body.
Formula re: Contains
L-arginine has been shown to support the cardiovascular system, heart function and improve overall circulation through its conversion to nitric oxide.
Formulation re: Vegetarian/Vegan
Vegan
Formulation re: Does NOT Contain
Non-GMO Gluten free Soy free
FDA Statements
FDA Disclaimer Statement
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
FDA Statement of Identity
Dietary Supplement
Other Label Statements
General Statements: All Other Content
Helps support athletic endurance Helps support recovery from athletic performance Helps boost nitric oxide (NO) levels to support overall cardiovascular health
General: Product/Version Code
YDRB200-1
Brand IP Statement(s) re: (c), (TM), (SM)
Science-Based Nutrition
Seals/Symbols
Vegan
Manufacturer & Distributor
Distributor
Doctor's Best, Inc.
(800) 777-2474
Market Reference
Doctor's Best L-Arginine Sustained Plus Immediate Release Bilayer Tablets
Professional Supplement Center4.8(423)$19.99Doctor's Best L-Arginine Powder
Vitacost.com4.7(1000)$18.99LowestDoctor's Best L-Arginine Sustained & Immediate Capsules
Shipman's Pharmacy$28.48Doctor's Best Fast Acting Arginine Complex with Nitrosigine
Target4.8(268)$19.99Doctor's Best, Fast Acting Arginine Complex with Nitrosigine, 750 mg, 60 Tablets
Herbkart.com4.8(268)$120.50
Where to Buy Locally
Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.
Showing representative supplement & health retailers — search above for stores in your area.
GNC
3.2 (51)Vitamin & supplements store
15050 Cedar Ave, Apple Valley, MN 55124
The Vitamin Shoppe
4.4 (192)Vitamin & supplements store
6996 France Ave S Ste 200, Minneapolis, MN 55435
Walgreens
3.1 (50)Vitamin & supplements store
14700 Lac Lavon Dr, Burnsville, MN 55306
Porter Creek Supplements
5.0 (3)Vitamin & supplements store
10547 165th St W, Lakeville, MN 55044
CVS
3.0 (92)Vitamin & supplements store
12751 Nicollet Ave, Burnsville, MN 55337
GNC
4.2 (21)Vitamin & supplements store
17721 Kenwood Trail, Lakeville, MN 55044
Walgreens
2.6 (149)Vitamin & supplements store
950 County Rd 42 W, Burnsville, MN 55337
GNC
3.7 (24)Vitamin & supplements store
14367 State Hwy 13, Savage, MN 55378
Research & Studies
Paediatric formulations of L-arginine for the use in urea cycle disorders
QA Hussein - 2009 - docserv.uni-duesseldorf.de
… , innovative granules, conventional immediate release, modified release tablets and capsules, make … Arginine is medical supplement rather than drug approved by FDA or EMEA, and …
20092 citationsRandomized, double-blind, placebo-controlled study of arginine supplementation in chronic renal failure
L De Nicola, V Bellizzi, R Minutolo, M Andreucci… - Kidney international, 1999 - Elsevier
… Supplementation with L-arginine (ARG) strikingly ameliorates proteinuria and glomerulosclerosis in remnant rats by overcoming nitric oxide (NO) deficiency. Whether or not the same …
199965 citationsBiochemical responses of healthy subjects during dietary supplementation with L-arginine
RW Evans, JD Fernstrom, J Thompson… - The Journal of nutritional …, 2004 - Elsevier
… However, the optimal level of L-arginine supplementation is unclear. The objective of this … of healthy individuals to increasing doses of L-arginine (as free acid). Twelve healthy subjects …
2004127 citationsEffects of in vivo and in vitro L-arginine supplementation on healthy human vessels
JPF Chin-Dusting, CT Alexander… - Journal of …, 1996 - journals.lww.com
… We studied the influence of dietary L-arginine (L-ARG) supplementation on forearm resistance arteries in vivo and the effect of exogenous addition of L-ARG to subcutaneous arteries …
1996136 citationsClinical study on the efficacy and safety of arginine administered orally in association with other active ingredients for the prevention and treatment of …
C Bologna, E Pone - Healthcare, 2022 - mdpi.com
… in combining L-arginine with other … L-arginine supplementation has been shown to play a favorable role in regulating immune responses. In a similar way, both vitamin C and L-arginine …
202215 citationsL-Arginine
GD AZ, DI Checker, PL Tool - rxlist.com
… Supplementing a feeding tube with L-arginine does not seem to improve immune function, … for up to 10 days reduces stress and anxiety in healthy people and those prone to stress. …
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2019-05-28. DSLD Label ID: 203159. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.
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