Corvalen Ribose OPC
by Douglas Laboratories · powder · 5.8 ozs
- Off the market since February 2018 (NIH)
- UPC 3 10539 03796 6
- DSLD label 57331
- Serving 5.5 g (1 scoop)
- 30 servings
Corvalen Ribose OPC by Douglas Laboratories lists 10 ingredients, 3 with an amount per serving of 5.5 g, such as 100 mg of potassium, 2 g of D-ribose and 425 mg of organic pomegranate; 7 sit inside a blend without their own amounts, beside 2 Nutrition Facts rows (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on March 24, 2016.
What is in Corvalen Ribose OPC?
Each row as the label prints it, per serving of 5.5 g. 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 |
|---|---|---|---|
| Calories | 15 Calories | ||
| Total Carbohydrates | 4 g | 2% | Higher than 53% of 21,979 products listing carbohydrate (median 3 g). Per day at the most servings: 8 g. |
| Sugar | 2 g | 48% of 11,807 products listing sugar give more (median 2 g). Per day at the most servings: 4 g. | |
| Potassiumas Potassium BicarbonatePotassium (Form: from Potassium Bicarbonate) | 100 mg | 3% | Higher than 51% of 11,614 products listing potassium (median 99 mg). Per day at the most servings: 200 mg. |
| D-Ribose | 2 g | 47% of 199 products listing ribose give more (median 2 g). Per day at the most servings: 4 g. | |
| organic Pomegranate | 425 mg | Higher than 85% of 860 products listing pomegranate (median 70.5 mg). Per day at the most servings: 850 mg. | |
| Proprietary Blend (Herb/Botanical) | 190 mg | ||
| Maqui | in the blend, no amount given | ||
| Pomegranate fruit extractas Ellagic AcidPomegranate fruit extract (Form: standardized to 40% Ellagic Acid) PlantPart: fruit Genus: Punica Species: granatum | in the blend, no amount given | ||
| Grape seed extractas ProanthocyanidinsGrape seed extract (Form: 95% Proanthocyanidins Note: 25.5-28.5 mg) PlantPart: seed Genus: Vitis Species: vinifera | in the blend, no amount given | ||
| Lemon Bioflavonoid Complex | in the blend, no amount given | ||
| Bilberry fruit extractas total AnthocyanidinsBilberry fruit extract (Form: standardized to 25% total Anthocyanidins CorrectedName: total Anthocyanins ) PlantPart: fruit Genus: Vaccinium Species: myrtillus | in the blend, no amount given | ||
| Red Wine Proanthocyanidins | in the blend, no amount given | ||
| Enzogenol Pine bark extractas total ProanthocyanidinsEnzogenol Pine bark extract (Form: standardized to 80% total Proanthocyanidins) PlantPart: bark Genus: Pinus Species: radiata | in the blend, no amount given |
Source: NIH ODS Dietary Supplement Label Database, label 57331 (entered March 24, 2016), 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; 7 ingredients sit inside a blend, so their amounts cannot be compared.
The NIH database records 1 to 2 servings 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.
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: Take one scoop, one to two times daily with a meal or as directed by your healthcare professional. Dissolve powder in 2 oz. or more of water or juice.
- Warnings
- Caution: Insulin-dependent diabetics and pregnant women should consult their healthcare professional before use.
- KEEP OUT OF REACH OF CHILDREN.
- Tamper resistant package, do not use if outer seal is missing.
- NOT FOR PARENTERAL USE
- Allergens and what it does not contain
- This product contains NO salt, yeast, wheat, gluten, corn, dairy products, artificial flavoring or colors, preservatives or ingredients of animal origin.
- Storage
- For optimal storage conditions, store in a cool, dry place. (59(0)-77(0)F/15(0)-25(0)C) (35-65% relative humidity)
- STORE AT ROOM TEMPERATURE AVOID EXCESS HEAT AND MOISTURE
Source: label statements in DSLD label 57331.
What else is on the label?
Other ingredients: Maltodextrin, Citric Acid, Potassium Bicarbonate, Malic Acid, purified Stevia extract.
How many labels does Corvalen Ribose OPC have?
One label is on file, entered on March 24, 2016.
- Label 57331 (current) Entered March 24, 2016 · off the market February 26, 2018 · 5.8 ozs · UPC 3 10539 03796 6
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Douglas Laboratories (distributor), Pittsburgh, PA. All Douglas Laboratories products.