PlainVitamins

Respiratory Formula

by SigmaCeutical · capsule · 60 capsules

  • On the market (NIH)
  • UPC X001UR9G6H
  • DSLD label 321754
  • Serving 1 vegetable capsule
  • 60 servings

Respiratory Formula by SigmaCeutical lists 10 ingredients, 10 with an amount per serving of 1 vegetable capsule, such as 125 mg of vitamin C, 50 mcg of menaquinone, 37.5 mg of butterbur root extract and 50 mg of quercetin. Its current label entered the NIH Dietary Supplement Label Database on November 22, 2024.

What is in Respiratory Formula?

Each row as the label prints it, per serving of 1 vegetable capsule. 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).

Respiratory Formula: Supplement Facts rows against the market (DSLD label 321754, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Cas Calcium Ascorbate125 mg139%Vitamin C in Respiratory Formula against 18,583 products125 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg125 mg

Higher than 56% of 18,583 products listing vitamin C (median 100 mg).

Menaquinone50 mcg42%*Vitamin K in Respiratory Formula against 4,607 products50 mcg per serving; the middle half of products list 35 mcg to 100 mcg, the median 80 mcg.DV 120 mcg50 mcg

60% of 4,607 products listing vitamin K give more (median 80 mcg).

Butterbur Root ExtractButterbur 15% extract37.5 mgButterbur in Respiratory Formula against 71 products37.5 mg per serving; the middle half of products list 50 mg to 150 mg, the median 75 mg.37.5 mg

76% of 71 products listing butterbur give more (median 75 mg).

Quercetin50 mgQuercetin in Respiratory Formula against 1,548 products50 mg per serving; the middle half of products list 26.5 mg to 250 mg, the median 100 mg.50 mg

56% of 1,548 products listing quercetin give more (median 100 mg).

Bromelainas Pineapple2400 GDU/g25 mgBromelain in Respiratory Formula against 1,337 products25 mg per serving; the middle half of products list 25 mg to 200 mg, the median 50 mg.25 mg

66% of 1,337 products listing bromelain give more (median 50 mg).

Citrus Bioflavonoids ComplexCitrus bioflavonoids 50% complex125 mgFlavonoid in Respiratory Formula against 2,343 products125 mg per serving; the middle half of products list 25 mg to 100 mg, the median 50 mg.125 mg

Higher than 79% of 2,343 products listing flavonoid (median 50 mg).

Feverfew leaf extractFeverfew 4:1 extract25 mgFeverfew in Respiratory Formula against 162 products25 mg per serving; the middle half of products list 50 mg to 380 mg, the median 200 mg.25 mg

82% of 162 products listing feverfew give more (median 200 mg).

Stinging Nettle Root ExtractStinging nettle 4:1 extract25 mgStinging Nettle in Respiratory Formula against 710 products25 mg per serving; the middle half of products list 50 mg to 300 mg, the median 120 mg.25 mg

88% of 710 products listing stinging nettle give more (median 120 mg).

Pine bark extractPine bark 95% extract25 mgPine in Respiratory Formula against 220 products25 mg per serving; the middle half of products list 25 mg to 180 mg, the median 83 mg.25 mg

63% of 220 products listing pine give more (median 83 mg).

Cordyceps Mycelium ExtractCordyceps 7% extract250 mgCordyceps in Respiratory Formula against 450 products250 mg per serving; the middle half of products list 100 mg to 600 mg, the median 250 mg.250 mg

50% of 450 products listing cordyceps give more (median 250 mg).

* % Daily Value computed from the printed amount and the FDA Daily Value (21 CFR 101.9); the label prints none for that row.

Source: NIH ODS Dietary Supplement Label Database, label 321754 (entered November 22, 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?

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:

  • 76% of the 71 products that print an amount of butterbur list more than its 37.5 mg of butterbur (median 75 mg).
  • 82% of the 162 products that print an amount of feverfew list more than its 25 mg of feverfew (median 200 mg).
  • 88% of the 710 products that print an amount of stinging nettle list more than its 25 mg of stinging nettle (median 120 mg).

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?

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: 1 capsule daily preferably with a meal or as directed by a healthcare professional.
Warnings
Caution: Do not exceed recommended dose. Do not use if safety seal is damaged or missing.
Pregnant or nursing mothers, children under 18 years of age and individuals with a known medical condition should consult a physician before using this or any dietary supplement.
Pregnant or nursing mothers, children under 18 years of age and individuals with a known medical condition should consult a physician before using this or any dietary supplement. Keep out of the reach of children.
This product is manufactured and packaged in a facility which may also process milk, soy, wheat, egg, peanuts, tree nuts, fish and crustacean shellfish.
Allergens and what it does not contain
Non GMO Formula
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 321754.

What else is on the label?

Other ingredients: Hydroxypropyl Methylcellulose, Rice, Powder, Magnesium Stearate, Silicon Dioxide.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Sourced from a GMP Certified Facility Good Manufacturing Practice Quality Assured Formulated in USA.

How many labels does Respiratory Formula have?

One label is on file, entered on November 22, 2024.

  1. Label 321754 (current) Entered November 22, 2024 · on the market · 60 capsules · UPC X001UR9G6H

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

Who makes it?

The label names SigmaCeutical (distributor), Delray Beach, FL. All SigmaCeutical products.

Where next?