L-Arginine 1000 mg
by Natural Factors · tablet or pill · 90 tablets
- On the market (NIH)
- UPC 0 68958 02802 6
- DSLD label 75695
- Serving 1 tablet
L-Arginine 1000 mg by Natural Factors lists 2 ingredients, 2 with an amount per serving of 1 tablet, such as 40 mg of calcium and 1,000 mg of L-arginine. Its current label entered the NIH Dietary Supplement Label Database on August 22, 2017.
What is in L-Arginine 1000 mg?
Each row as the label prints it, per serving of 1 tablet. 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 |
|---|---|---|---|
| Calciumas Dicalcium Phosphate | 40 mg | 3% | 79% of 17,831 products listing calcium give more (median 115 mg). |
| L-Arginineas L-Arginine HydrochlorideL-Arginine (Form: L-Arginine Hydrochloride) Note: pharmaceutical grade | 1,000 mg | Higher than 64% of 1,455 products listing arginine (median 500 mg). |
Source: NIH ODS Dietary Supplement Label Database, label 75695 (entered August 22, 2017), version 9.4.0. See the label on DSLD. 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?
3 products list the very same ingredients; the nearest amounts come first.
- L-Arginine 500 mgSource Naturals same ingredients
- L-Arginine 500 mgMason Natural same ingredients
- ManatoneIndiana Botanic Gardens same ingredients
- L-Arginine 500GNC · off the market 1 shared, 68% alike
- L-Arginine 1000GNC · off the market 1 shared, 68% alike
- Arginine Ethyl EsterSNI Elite Series · off the market 1 shared, 68% 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 Usage: 1 tablet per day or as directed by a health professional.
- Warnings
- Cautions: As with any supplement, consult your health professional before use if you are pregnant, breastfeeding, or trying to conceive, or if you are taking medication, have a medical condition, or anticipate surgery.
- Do not use if you have had a myocardial infraction or have established coronary and artery disease.
- Keep out of the reach of children.
- Sealed for your protection. Do not use if seal is broken.
- Allergens and what it does not contain
- Contains no artificial colors, preservatives, or sweeteners; no dairy, starch, sugar, wheat, gluten, yeast, soy, corn, egg, fish, shellfish, animal products, salt, tree nuts, or GMOs.
- Storage
- For freshness, store in a cool, dry place.
Source: label statements in DSLD label 75695.
What else is on the label?
Other ingredients: Microcrystalline Cellulose, Hydroxypropyl Cellulose, Stearic Acid, Coating, Magnesium Stearate, Silica.
Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): isura Non-GMO - Mass spec Documentation - Lab tested; Purity & potency guaranteed.
How many labels does L-Arginine 1000 mg have?
4 labels are on file under this name since July 25, 2014: other sizes, label designs and reformulations. The current one leads this page.
- Label 75695 (current) Entered August 22, 2017 · on the market · 90 tablets · UPC 0 68958 02802 6
- Label 35752 Entered July 25, 2014 · off the market May 6, 2017 · 90 vegetarian capsules · UPC 0 68958 02821 7
- Label 35743 Entered July 25, 2014 · off the market May 6, 2017 · 180 vegetarian capsules · UPC 0 68958 02808 8
- Label 35738 Entered July 25, 2014 · off the market May 6, 2017 · 90 tablets · UPC 0 68958 02802 6
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Natural Factors Canada (manufacturer). All Natural Factors products.