PlainVitamins

Immuno Defense 4x

by JayLab Pro · capsule · 60 capsules

  • On the market (NIH)
  • UPC 8 54389 00719 4
  • DSLD label 250068
  • Serving 2 capsules
  • 30 servings

Immuno Defense 4x by JayLab Pro lists 4 ingredients, 4 with an amount per serving of 2 capsules, such as 500 mg of EpiCor, 500 mg of quercetin, 150 mg of bromelain and 1,000 IU (25 mcg) of vitamin D3. Its current label entered the NIH Dietary Supplement Label Database on May 22, 2021.

What is in Immuno Defense 4x?

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).

Immuno Defense 4x: Supplement Facts rows against the market (DSLD label 250068, January 2026 release)
IngredientAmount% DVAmong products listing it
EpiCor500 mgSaccharomyces cerevisiae in Immuno Defense 4x against 168 products500 mg per serving; the middle half of products list 211.25 mg to 500 mg, the median 500 mg.500 mg

23% of 168 products listing saccharomyces cerevisiae give more (median 500 mg).

Quercetin500 mgQuercetin in Immuno Defense 4x against 1,548 products500 mg per serving; the middle half of products list 26.5 mg to 250 mg, the median 100 mg.500 mg

Higher than 84% of 1,548 products listing quercetin (median 100 mg).

Bromelain150 mgBromelain in Immuno Defense 4x against 1,337 products150 mg per serving; the middle half of products list 25 mg to 200 mg, the median 50 mg.150 mg

Higher than 68% of 1,337 products listing bromelain (median 50 mg).

Vitamin D31,000 IU (25 mcg)166%Vitamin D in Immuno Defense 4x against 14,175 products25 mcg per serving; the middle half of products list 10 mcg to 25 mcg, the median 15 mcg.DV 20 mcgUL 100 mcg25 mcg

Higher than 59% of 14,175 products listing vitamin D (median 15 mcg).

Source: NIH ODS Dietary Supplement Label Database, label 250068 (entered May 22, 2021), 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?

The products whose ingredient lists overlap most with Immuno Defense 4x's, rare ingredients counting for more.

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: Adults take 2 capsules 1x a day with or without a meal.
Warnings
Warning: If you are pregnant, may become pregnant, breastfeeding, or are taking any prescription medication, consult your health care professional before using this product.
Keep out of reach of children.
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 250068.

What else is on the label?

Other ingredients: Gelatin, Rice Flour, Magnesium Stearate.

How many labels does Immuno Defense 4x have?

One label is on file, entered on May 22, 2021.

  1. Label 250068 (current) Entered May 22, 2021 · on the market · 60 capsules · UPC 8 54389 00719 4

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

Who makes it?

The label names JayLab Pro (distributor), Saint Charles, MO. All JayLab Pro products.

Where next?