PlainVitamins

Immune Defense

by MegaFood · tablet or pill · 30 tablets

  • On the market (NIH)
  • UPC 0 51494 10366 1
  • DSLD label 287373
  • Serving 2 tablets
  • 15 servings

Immune Defense by MegaFood lists 5 ingredients, 5 with an amount per serving of 2 tablets, such as 250 mg of vitamin C, 5 mg of zinc, 600 mg of elderberry and 500 mg of echinacea aerial part extract. Its current label entered the NIH Dietary Supplement Label Database on June 22, 2023.

What is in Immune Defense?

Each row as the label prints it, per serving of 2 tablets. 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 287373, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Cas organic Orange250 mg278%Vitamin C in Immune Defense against 18,583 products250 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg250 mg

Higher than 68% of 18,583 products listing vitamin C (median 100 mg). Per day at the most servings: 750 mg.

Zincas Zinc BisglycinateFermented Zinc Bisglycinate5 mg45%Zinc in Immune Defense against 13,186 products5 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg5 mg

72% of 13,186 products listing zinc give more (median 11 mg). Per day at the most servings: 15 mg.

Elderberry600 mgEuropean Elder in Immune Defense against 920 products600 mg per serving; the middle half of products list 50 mg to 400 mg, the median 150 mg.600 mg

Higher than 85% of 920 products listing european elder (median 150 mg). Per day at the most servings: 1,800 mg.

Echinacea aerial part extract500 mgEchinacea purpurea in Immune Defense against 484 products500 mg per serving; the middle half of products list 50 mg to 400 mg, the median 200 mg.500 mg

Higher than 83% of 484 products listing echinacea purpurea (median 200 mg). Per day at the most servings: 1,500 mg.

Andrographis Aerial Parts Extract100 mgAndrographis in Immune Defense against 213 products100 mg per serving; the middle half of products list 100 mg to 400 mg, the median 200 mg.100 mg

70% of 213 products listing andrographis give more (median 200 mg). Per day at the most servings: 300 mg.

Source: NIH ODS Dietary Supplement Label Database, label 287373 (entered June 22, 2023), 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?

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 3 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
Suggested use: 2 tablets 3 times a day with a beverage for 5 days. May be taken anytime throughout the day, even on an empty stomach.
Warnings
Do not exceed 1 bottle every 14 days.
If pregnant, nursing, or you have a health condition, consult your healthcare practitioner before taking this product.
Keep out of reach of children.
Allergens and what it does not contain
Non GMO Project Verified nongmoproject.org Certified NSF Gluten-free Dairy free Soy free Tested 125+ No pesticides & herbicides Glyphosate Residue free detoxproject.org
Storage
Store tightly sealed in a cool place and avoid exposure to moisture. Once open, consume within three months.

Source: label statements in DSLD label 287373.

What else is on the label?

Other ingredients: Microcrystalline Cellulose, Hypromellose, Brown Rice, Ferment Media, Silicon Dioxide, Stearic Acid, Rice Protein.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Non GMO Project Verified nongmoproject.org Certified Vegan Vegan.org Certified NSF Gluten-free OK (Kosher) Glyphosate Residue free detoxproject.org Certified B Corporation. Listed with: Certified Vegan (Vegan Action), 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?

2 labels are on file under this name since September 24, 2021: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 287373 (current) Entered June 22, 2023 · on the market · 30 tablets · UPC 0 51494 10366 1
  2. Label 258964 Entered September 24, 2021 · off the market October 25, 2022 · 30 tablets · UPC 0 51494 10366 1

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

Who makes it?

The label names MegaFood (manufacturer), Manchester, NH. All MegaFood products.

Where next?