PlainVitamins

Immune Defense

by Zahler · capsule · 120 capsules

  • On the market (NIH)
  • UPC 7 79663 11041 7
  • DSLD label 33281
  • Serving 2 capsules; amounts per 4 capsules
  • 30 servings

Immune Defense by Zahler lists 5 ingredients, 5 with an amount per serving of 4 capsules, such as 100 mg of pycnogenol, 1,000 mg of bee propolis, 1,000 mg of olive leaf extract and 600 mg of vitamin C. Its current label entered the NIH Dietary Supplement Label Database on May 23, 2014.

What is in Immune Defense?

Each row as the label prints it, per serving of 4 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).

Immune Defense: Supplement Facts rows against the market (DSLD label 33281, January 2026 release)
IngredientAmount% DVAmong products listing it
Pycnogenol100 mgMaritime Pine in Immune Defense against 215 products100 mg per serving; the middle half of products list 25 mg to 100 mg, the median 50 mg.100 mg

Higher than 68% of 215 products listing maritime pine (median 50 mg). Per day at the most servings: 200 mg.

Bee Propolis1,000 mgPropolis in Immune Defense against 260 products1,000 mg per serving; the middle half of products list 50 mg to 400 mg, the median 150 mg.1,000 mg

Higher than 91% of 260 products listing propolis (median 150 mg). Per day at the most servings: 2,000 mg.

Olive leaf extract1,000 mgOlive in Immune Defense against 822 products1,000 mg per serving; the middle half of products list 30 mg to 300 mg, the median 100 mg.1,000 mg

Higher than 96% of 822 products listing olive (median 100 mg). Per day at the most servings: 2,000 mg.

Vitamin C600 mg1,000%Vitamin C in Immune Defense against 18,583 products600 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg600 mg

Higher than 89% of 18,583 products listing vitamin C (median 100 mg). Per day at the most servings: 1,200 mg.

Pantothenic Acidas Calcium D-Pantothenate500 mg5,000%Pantothenic Acid (Vitamin B5) in Immune Defense against 10,060 products500 mg per serving; the middle half of products list 6 mg to 50 mg, the median 12 mg.DV 5 mg500 mg

Higher than 98% of 10,060 products listing pantothenic acid (vitamin B5) (median 12 mg). Per day at the most servings: 1,000 mg.

Source: NIH ODS Dietary Supplement Label Database, label 33281 (entered May 23, 2014), 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:

  • Its 1,000 mg of bee propolis (filed by NIH under propolis) is higher than 91% of the 260 propolis products that print an amount; 12 list more.
  • Its 1,000 mg of olive is higher than 96% of the 822 olive products that print an amount; 16 list more.
  • Its 500 mg of pantothenic acid (vitamin B5) is higher than 98% of the 10,060 pantothenic acid (vitamin B5) products that print an amount; 58 list more.

The NIH database records 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.

Which products have the closest formulas?

The products whose ingredient lists overlap most with Immune Defense'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
Directions: 2 capsules 2 times daily with meals.
Warnings
KEEP OUT OF REACH OF CHILDREN.
Storage
STORE TIGHTLY IN COOL, DRY PLACE.

Source: label statements in DSLD label 33281.

What else is on the label?

Other ingredients: Rice Flour, Vegetable Stearate.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): IMMUNE DEFENSE {capsule}; advanced nutrition by ZAHLER(R); THIS PRODUCT WAS MANUFACTURED IN A NSF(R) & GMP CERTIFIED FACILITY; U; D. Listed with: NSF certified (contents or GMP) (a seal is the label's claim; the certifier's own list confirms it).

How many labels does Immune Defense have?

One label is on file, entered on May 23, 2014.

  1. Label 33281 (current) Entered May 23, 2014 · on the market · 120 capsules · UPC 7 79663 11041 7

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

Who makes it?

The label names Advanced Nutrition by Zahler (distributor), Brooklyn, NY. All Zahler products.

Where next?