PlainVitamins

Daily Immune Defense

by Doctor's Best · capsule · 120 capsules

  • On the market (NIH)
  • UPC 7 53950 00179 4
  • DSLD label 25491
  • Serving 2 capsules
  • 60 servings

Daily Immune Defense by Doctor's Best lists 6 ingredients, 6 with an amount per serving of 2 capsules, such as 1,000 IU (25 mcg) of vitamin D, 15 mg of zinc, 1 mg of copper and 500 mg of immunolin(R). Its current label entered the NIH Dietary Supplement Label Database on November 25, 2013.

What is in Daily Immune Defense?

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).

Daily Immune Defense: Supplement Facts rows against the market (DSLD label 25491, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Das Cholecalciferol, Vitamin D3Vitamin D (Form: as Cholecalciferol (Alt. Name: D3))1,000 IU (25 mcg)250%Vitamin D in Daily Immune Defense 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). Per day at the most servings: 50 mcg.

Zincas Zinc GluconateZinc (Form: elemental, from zinc gluconate)15 mg100%Zinc in Daily Immune Defense against 13,186 products15 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg15 mg

Higher than 56% of 13,186 products listing zinc (median 11 mg). Per day at the most servings: 30 mg.

Copperas Copper GluconateCopper (Form: elemental, from copper gluconate)1 mg50%Copper in Daily Immune Defense against 6,468 products1 mg per serving; the middle half of products list 0.5 mg to 2 mg, the median 1 mg.DV 0.9 mgUL 10 mg1 mg

40% of 6,468 products listing copper give more (median 1 mg). Per day at the most servings: 2 mg.

Immunolin(R)as IgGImmunolin(R) (Form: containing a minimum of 45% IgG)500 mgImmunoglobulin in Daily Immune Defense against 129 products500 mg per serving; the middle half of products list 204 mg to 2,100 mg, the median 975 mg.500 mg

60% of 129 products listing immunoglobulin give more (median 975 mg). Per day at the most servings: 1,000 mg.

EpiCor dried Yeast Fermentate250 mgSaccharomyces cerevisiae in Daily Immune Defense against 168 products250 mg per serving; the middle half of products list 211.25 mg to 500 mg, the median 500 mg.250 mg

62% of 168 products listing saccharomyces cerevisiae give more (median 500 mg). Per day at the most servings: 500 mg.

Emed-OLE(TM) Olive Leaf Extractas OleuropeinEmed-OLE(TM) Olive Leaf Extract (Form: containing a minimum of 20% oleuropein) PlantPart: Leaf250 mgOlive in Daily Immune Defense against 822 products250 mg per serving; the middle half of products list 30 mg to 300 mg, the median 100 mg.250 mg

Higher than 66% of 822 products listing olive (median 100 mg). Per day at the most servings: 500 mg.

Source: NIH ODS Dietary Supplement Label Database, label 25491 (entered November 25, 2013), 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 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 Daily 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
Suggested Adult Use: Take two capsules twice daily, with or without food.

Source: label statements in DSLD label 25491.

What else is on the label?

Other ingredients: Gelatin, Cellulose, Magnesium Stearate, Silicon Dioxide.

How many labels does Daily Immune Defense have?

One label is on file, entered on November 25, 2013.

  1. Label 25491 (current) Entered November 25, 2013 · on the market · 120 capsules · UPC 7 53950 00179 4

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

Who makes it?

The label names Doctor's Best, Inc. (distributor), San Clemente, CA. All Doctor's Best products.

Where next?