Respond Immune Complex

by Sundown Organics · tablet or pill · 30 tablets

  • On the market (NIH)
  • DSLD label 212235
  • Serving 1 tablet

Respond Immune Complex by Sundown Organics lists 7 ingredients, 7 with an amount per serving of 1 tablet, such as 20 mg of vitamin C, 10 mcg (400 IU) of vitamin D, 5.5 mg of zinc and 27.5 mcg of selenium. Its current label entered the NIH Dietary Supplement Label Database on December 22, 2019.

What is in Respond Immune Complex?

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).

Respond Immune Complex: Supplement Facts rows against the market (DSLD label 212235, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Cas organic AcerolaVitamin C (Form: and organic Acerola PlantPart: berry) (Alt. Name: Ascorbic Acid)20 mg22%Vitamin C in Respond Immune Complex against 18,583 products20 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg20 mg

90% of 18,583 products listing vitamin C give more (median 100 mg).

Vitamin Das Cholecalciferol, Vitamin D3Vitamin D (Form: as D3 (Alt. Name: Cholecalciferol)) Note: (400 IU) (nutrients incorporated into a fermented blend)10 mcg (400 IU)50%Vitamin D in Respond Immune Complex against 14,175 products10 mcg per serving; the middle half of products list 10 mcg to 25 mcg, the median 15 mcg.DV 20 mcgUL 100 mcg10 mcg

57% of 14,175 products listing vitamin D give more (median 15 mcg).

Zincas Zinc OxideZinc (Form: as Zinc Oxide) Note: Nutrients incorporated into a fermented blend5.5 mg50%Zinc in Respond Immune Complex against 13,186 products5.5 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg5.5 mg

71% of 13,186 products listing zinc give more (median 11 mg).

Seleniumas Selenium DioxideSelenium (Form: as Selenium Dioxide) Note: Nutrients incorporated into a fermented blend27.5 mcg50%Selenium in Respond Immune Complex against 7,658 products27.5 mcg per serving; the middle half of products list 27 mcg to 100 mcg, the median 55 mcg.DV 55 mcgUL 400 mcg27.5 mcg

74% of 7,658 products listing selenium give more (median 55 mcg).

organic Reishi Mushroom35 mgReishi mushroom in Respond Immune Complex against 500 products35 mg per serving; the middle half of products list 50 mg to 500 mg, the median 180 mg.35 mg

80% of 500 products listing reishi mushroom give more (median 180 mg).

organic Shiitake Mushroom35 mgShiitake Mushroom in Respond Immune Complex against 256 products35 mg per serving; the middle half of products list 33.75 mg to 200 mg, the median 100 mg.35 mg

73% of 256 products listing shiitake mushroom give more (median 100 mg).

organic Maitake Mushroom30 mgMaitake Mushroom in Respond Immune Complex against 327 products30 mg per serving; the middle half of products list 30 mg to 200 mg, the median 100 mg.30 mg

72% of 327 products listing maitake mushroom give more (median 100 mg).

Source: NIH ODS Dietary Supplement Label Database, label 212235 (entered December 22, 2019), 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?

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:

  • 90% of the 18,583 products that print an amount of vitamin C list more than its 20 mg of vitamin C (median 100 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?

1 product lists 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
Directions: For adults, take one (1) tablet daily, preferably with a meal.
Once daily
Warnings
As a reminder, discuss the supplements and medications you take with your health care providers.
Contains soy ingredients.
Warning: If you are pregnant, nursing, taking any medications or have any medical condition, consult your doctor before use.
Discontinue use and consult your doctor if any adverse reactions occur.
Keep out of reach of children.
Tamper resistant: Do not use if seal under cap is broken or missing.
Allergens and what it does not contain
Non-GMO No gluten No wheat No milk No lactose No artificial color No artificial flavor No artificial sweetener No preservatives No peanuts No tree nuts No fish Sodium free
Gluten free Dairy free Non-GMO
Sundown believes in living clean...and being transparent. That's why you won't find genetically modified ingredients, gluten, wheat, dairy, lactose or artificial flavors in any of our products. Now, we're going one step further with our USDA Certified organic Supplements that are 100% free of synthetic dyes. Now there's a clean, organic choice you can feel good about.
Storage
Store at room temperature and avoid excessive heat.

Source: label statements in DSLD label 212235.

What else is on the label?

Other ingredients: Tapioca Dextrose, Fermentation Blend, organic Bamboo extract, organic Rice extract Blend, organic Safflower Oil, organic Oats, Maltodextrin, organic Sunflower Lecithin, organic Palm Oil, organic Guar Gum.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Quality Assurance International Certified Organic; USDA Organic. Listed with: USDA Organic seal (a seal is the label's claim; the certifier's own list confirms it).

How many labels does Respond Immune Complex have?

One label is on file, entered on December 22, 2019.

  1. Label 212235 (current) Entered December 22, 2019 · on the market · 30 tablets

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

Who makes it?

The label names Rexall Sundown, Inc. (distributor), Boca Raton, FL. All Sundown Organics products.

Where next?