Sustained plus Immediate Release L-Arginine 500 mg
by Doctor's Best · tablet or pill · 120 bilayer tablets
- On the market (NIH)
- UPC 7 53950 00200 5
- DSLD label 302709
- Serving 2 tablets
- 60 servings
Sustained plus Immediate Release L-Arginine 500 mg by Doctor's Best lists 3 ingredients, 3 with an amount per serving of 2 tablets, such as 1,000 mg of L-arginine. Its current label entered the NIH Dietary Supplement Label Database on January 24, 2024.
What is in Sustained plus Immediate Release L-Arginine 500 mg?
Each row as the label prints it, per serving of 2 tablets. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).
| Ingredient | Amount | % DV | Among products listing it |
|---|---|---|---|
| L-Arginineas L-Arginine Alpha-Ketoglutarate | 1,000 mg | Higher than 64% of 1,455 products listing arginine (median 500 mg). | |
| L-Arginine Alpha-KetoglutarateImmediate release | 500 mg | 46% of 322 products listing arginine alpha ketoglutarate give more (median 1 g). | |
| L-Arginine Alpha-Ketoglutaratesustained release | 500 mg |
Source: NIH ODS Dietary Supplement Label Database, label 302709 (entered January 24, 2024), version 9.4.0. See the label on DSLD or its label image (PDF). Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.
Is that a lot?
Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient.
The NIH database records one serving a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.
The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.
Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.
Which products have the closest formulas?
2 products list the very same ingredients; the nearest amounts come first.
- Super NOS PumpBody Fortress same ingredients
- NosGood 'N Natural · off the market same ingredients
- Boost NXTKaraMD 2 shared, 68% alike
- Nitric Oxide FlowNPB Natures Pure Blend 2 shared, 68% alike
- Nitric Oxide PumpHealthy Body For Her · off the market 2 shared, 65% alike
- Nitric Oxide PumpHealthy Body For Him · off the market 2 shared, 65% alike
Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.
What does the label say about taking it?
Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.
- Directions
- Suggested Adult Use: Take 2 tablets daily without food, or as recommended by a nutritionally informed physician.
- Warnings
- Warning: Not intended for individuals under the age of 18. Keep out of reach of children.
- 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.
- Allergens and what it does not contain
- Non-GMO/Gluten free/Soy free
- Storage
- Store in a cool dry place.
Source: label statements in DSLD label 302709.
What else is on the label?
Other ingredients: Microcrystalline Cellulose, Stearic Acid, Magnesium Stearate, Croscarmellose Sodium, Hypromellose.
How many labels does Sustained plus Immediate Release L-Arginine 500 mg have?
5 labels are on file under this name since August 23, 2013: other sizes, label designs and reformulations. The current one leads this page.
- Label 302709 (current) Entered January 24, 2024 · on the market · 120 bilayer tablets · UPC 7 53950 00200 5
- Label 203159 Entered May 28, 2019 · off the market December 16, 2022 · 120 bilayer tablets · UPC 7 53950 00200 5
- Label 81925 Entered December 22, 2017 · off the market December 11, 2018 · 120 bilayer tablets · UPC 7 53950 00200 5
- Label 63787 Entered August 24, 2016 · off the market October 20, 2017 · 120 bilayer tablets · UPC 7 53950 00200 5
- Label 25019 Entered August 23, 2013 · off the market May 2, 2016 · 120 bilayer tablets · UPC 7 53950 00200 5
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Doctor's Best, Inc. (distributor), Tustin, California. All Doctor's Best products.