PlainVitamins

Immune Boost

by Natrol · capsule · 30 capsules

  • On the market (NIH)
  • UPC 0 47469 05744 2
  • DSLD label 287518
  • Serving 1 capsule
  • 30 servings

Immune Boost by Natrol lists 5 ingredients, 5 with an amount per serving of 1 capsule, such as 60 mg of vitamin C, 50 mcg (2,000 IU) of vitamin D3, 15 mg of zinc and 200 mcg of SelenoExcell. Its current label entered the NIH Dietary Supplement Label Database on April 21, 2023.

What is in Immune Boost?

Each row as the label prints it, per serving of 1 capsule. 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 Boost: Supplement Facts rows against the market (DSLD label 287518, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Cas Ascorbic Acid60 mg70%Vitamin C in Immune Boost against 18,583 products60 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg60 mg

65% of 18,583 products listing vitamin C give more (median 100 mg).

Vitamin D3as Cholecalciferol50 mcg (2,000 IU)250%Vitamin D in Immune Boost against 14,175 products50 mcg per serving; the middle half of products list 10 mcg to 25 mcg, the median 15 mcg.DV 20 mcgUL 100 mcg50 mcg

Higher than 81% of 14,175 products listing vitamin D (median 15 mcg).

Zincas Zinc OxideZinc (Form: from Zinc Oxide)15 mg140%Zinc in Immune Boost 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).

SelenoExcellas SeleniumSelenium (Form: from SelenoExcell Yeast-Bound Selenium)200 mcg360%
EpiCor Super Food Yeast Complex500 mgSaccharomyces cerevisiae in Immune Boost 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).

Source: NIH ODS Dietary Supplement Label Database, label 287518 (entered April 21, 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 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 Immune Boost'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: Adults: Take 1 capsule, one time daily, with a meal. For children 9 years and older: Sprinkle the contents of 1 capsule, one time daily, into their favorite food.
Warnings
Warning: Consult your healthcare professional prior to use if you have or suspect a medical condition, are taking prescription drugs, or are pregnant or lactating.
Keep out of reach of children.
Not recommended for children under 9 years old.
Allergens and what it does not contain
No: milk, egg, fish, crustacean shellfish, tree nuts, peanuts, wheat, soybeans, artificial colors or flavors, added sugar or preservatives
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 287518.

What else is on the label?

Other ingredients: Gelatin, Maltodextrin, Silicon Dioxide, Magnesium Stearate, Rice, Powder.

How many labels does Immune Boost have?

4 labels are on file under this name since January 25, 2016: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 287518 (current) Entered April 21, 2023 · on the market · 30 capsules · UPC 0 47469 05744 2
  2. Label 274546 Entered September 22, 2022 · off the market June 10, 2022 · 30 capsules · UPC 0 47469 05744 2
  3. Label 205651 Entered August 23, 2019 · off the market January 18, 2022 · 30 capsules · UPC 0 47469 05744 2
  4. Label 55621 Entered January 25, 2016 · off the market November 2, 2018 · 30 capsules · UPC 0 47469 05744 2

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

Who makes it?

The label names Natrol LLC (manufacturer), Chatsworth, CA. All Natrol products.

Where next?