AllerStrength

by Source Naturals · tablet or pill · 30 tablets

  • On the market (NIH)
  • UPC 0 21078 02685 3
  • DSLD label 181786
  • Serving 1 tablet

AllerStrength by Source Naturals lists 4 ingredients, 4 with an amount per serving of 1 tablet, such as 50 mg of vitamin C, 3 mg of magnesium and 167 mg of EMIQ complex. Its current label entered the NIH Dietary Supplement Label Database on November 21, 2018.

What is in AllerStrength?

Each row as the label prints it, per serving of 1 tablet. 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).

AllerStrength: Supplement Facts rows against the market (DSLD label 181786, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Cas Magnesium AscorbateVitamin C (Form: as Magnesium Ascorbate)50 mg83%Vitamin C in AllerStrength against 18,583 products50 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg50 mg

77% of 18,583 products listing vitamin C give more (median 100 mg). Per day at the most servings: 100 mg.

Magnesiumas Magnesium AscorbateMagnesium (Form: as Magnesium Ascorbate)3 mg1%Magnesium in AllerStrength against 14,003 products3 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg3 mg

98% of 14,003 products listing magnesium give more (median 86 mg). Per day at the most servings: 6 mg.

EMIQ ComplexEMIQ Complex Note: providing167 mgQuercetin in AllerStrength against 1,548 products167 mg per serving; the middle half of products list 26.5 mg to 250 mg, the median 100 mg.167 mg

Higher than 66% of 1,548 products listing quercetin (median 100 mg). Per day at the most servings: 334 mg.

enzymatically modified Isoquercitrin50 mg

Source: NIH ODS Dietary Supplement Label Database, label 181786 (entered November 21, 2018), 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:

  • 98% of the 14,003 products that print an amount of magnesium list more than its 3 mg of magnesium (median 86 mg).

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 AllerStrength'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: 1 tablet twice daily.
Warnings
Note: If you are pregnant, may become pregnant, or breastfeeding, consult your health care professional before using this product.
Do not use if either tamper-evident seal is broken or missing.
Keep out of the reach of children.
Allergens and what it does not contain
Contains no yeast, dairy, egg, gluten, soy or wheat. Contains no sugar, starch, salt, preservatives, or artificial color, flavor or fragrance.
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 181786.

What else is on the label?

Other ingredients: Dibasic Calcium Phosphate, Microcrystalline Cellulose, Hydroxypropylcellulose, Magnesium Stearate.

How many labels does AllerStrength have?

3 labels are on file under this name since October 25, 2018: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 181786 (current) Entered November 21, 2018 · on the market · 30 tablets · UPC 0 21078 02685 3
  2. Label 181802 Entered October 25, 2018 · on the market · 120 tablets · UPC 0 21078 02687 7
  3. Label 181801 Entered October 25, 2018 · on the market · 60 tablets · UPC 0 21078 02686 0

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

Who makes it?

The label names Source Naturals, Inc. (distributor), Santa Cruz, CA. All Source Naturals products.

Where next?