PlainVitamins

SinusCare

by Patient One 1 MediNutritionals · capsule · 120 vegetable capsules

  • On the market (NIH)
  • UPC 8 57982 00691 1
  • DSLD label 276272
  • Serving 2 capsules
  • 60 servings

SinusCare by Patient One 1 MediNutritionals lists 5 ingredients, 5 with an amount per serving of 2 capsules, such as 300 mg of vitamin C, 450 mg of quercetin, 140 mg of bromelain and 550 mg of stinging nettle leaf extract. Its current label entered the NIH Dietary Supplement Label Database on November 22, 2022.

What is in SinusCare?

Each row as the label prints it, per serving of 2 capsules. 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).

SinusCare: Supplement Facts rows against the market (DSLD label 276272, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Cas Ascorbic Acid300 mg333%Vitamin C in SinusCare against 18,583 products300 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg300 mg

Higher than 75% of 18,583 products listing vitamin C (median 100 mg). Per day at the most servings: 900 mg.

Quercetinas Quercetin DihydrateQuercetin (Form: as Quercetin Dihydrate)450 mgQuercetin in SinusCare against 1,548 products450 mg per serving; the middle half of products list 26.5 mg to 250 mg, the median 100 mg.450 mg

Higher than 84% of 1,548 products listing quercetin (median 100 mg). Per day at the most servings: 1,350 mg.

Bromelainas PineappleBromelain (Form: from Pineapple) Note: 2400 Gelatin Digestive Units per gram140 mgBromelain in SinusCare against 1,337 products140 mg per serving; the middle half of products list 25 mg to 200 mg, the median 50 mg.140 mg

Higher than 68% of 1,337 products listing bromelain (median 50 mg). Per day at the most servings: 420 mg.

Stinging Nettle leaf extractas SilicaStd. for 1% Silica550 mgStinging Nettle in SinusCare against 710 products550 mg per serving; the middle half of products list 50 mg to 300 mg, the median 120 mg.550 mg

Higher than 91% of 710 products listing stinging nettle (median 120 mg). Per day at the most servings: 1,650 mg.

N-Acetyl-L-Cysteine60 mgN-Acetyl Cysteine in SinusCare against 1,259 products60 mg per serving; the middle half of products list 55 mg to 500 mg, the median 150 mg.60 mg

74% of 1,259 products listing N-acetyl cysteine give more (median 150 mg). Per day at the most servings: 180 mg.

Source: NIH ODS Dietary Supplement Label Database, label 276272 (entered November 22, 2022), 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?

The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:

  • Its 550 mg of stinging nettle is higher than 91% of the 710 stinging nettle products that print an amount; 62 list more.

The NIH database records 1 to 3 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.

Which products have the closest formulas?

6 products list the very same ingredients; the nearest amounts come first.

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 Use: Loading Dose: Take 2 capsules three times daily for 7-10 days or as recommended. Maintenance: Take 2 capsules daily or as recommended.
Warnings
Caution: If you are pregnant, nursing, or taking any medications, consult your health practitioner before use.
Discontinue use and consult your health practitioner if any adverse reactions occur.
Keep out of reach of children.
Use only if safety seal is intact.
Allergens and what it does not contain
Gluten free Non-GMO
Free of: milk, egg, fish, peanuts, crustacean shellfish, soy, tree nuts, wheat, yeast and gluten. Free of ingredients derived from GMOs.

Source: label statements in DSLD label 276272.

What else is on the label?

Other ingredients: Cellulose, Calcium Palmitate, Rice Flour.

How many labels does SinusCare have?

One label is on file, entered on November 22, 2022.

  1. Label 276272 (current) Entered November 22, 2022 · on the market · 120 vegetable capsules · UPC 8 57982 00691 1

DSLD also links this label to: SinusCare (package size difference, same product), SinusCare (package size difference, same product).

Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).

Who makes it?

The label names MediNutritionals Research LLC (manufacturer, distributor), Hauppage, NY. All Patient One 1 MediNutritionals products.

Where next?