PlainVitamins

Th2 Modulator

by Pure Encapsulations · capsule · 120 capsules

  • On the market (NIH)
  • UPC 7 66298 02203 1
  • DSLD label 299740
  • Serving 2 capsules
  • 60 servings

Th2 Modulator by Pure Encapsulations lists 4 ingredients, 4 with an amount per serving of 2 capsules, such as 300 mg of N-acetyl-L-cysteine, 250 mg of quercetin, 150 mg of perilla seed extract and 160 mg of astragalus root extract. Its current label entered the NIH Dietary Supplement Label Database on December 14, 2023.

What is in Th2 Modulator?

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).

Th2 Modulator: Supplement Facts rows against the market (DSLD label 299740, January 2026 release)
IngredientAmount% DVAmong products listing it
N-Acetyl-L-Cysteine300 mgN-Acetyl Cysteine in Th2 Modulator against 1,259 products300 mg per serving; the middle half of products list 55 mg to 500 mg, the median 150 mg.300 mg

Higher than 67% of 1,259 products listing N-acetyl cysteine (median 150 mg). Per day at the most servings: 600 mg.

Quercetin250 mgQuercetin in Th2 Modulator against 1,548 products250 mg per serving; the middle half of products list 26.5 mg to 250 mg, the median 100 mg.250 mg

Higher than 71% of 1,548 products listing quercetin (median 100 mg). Per day at the most servings: 500 mg.

Perilla Seed Extractas Perilla frutescens Seed Extractstandardized to contain 3% polyphenols150 mgPerilla in Th2 Modulator against 57 products150 mg per serving; the middle half of products list 90 mg to 450 mg, the median 150 mg.150 mg

42% of 57 products listing perilla give more (median 150 mg). Per day at the most servings: 300 mg.

Astragalus Root Extractas Astragalus membranaceus Root Extract160 mgAstragalus in Th2 Modulator against 604 products160 mg per serving; the middle half of products list 50 mg to 405 mg, the median 132.5 mg.160 mg

Higher than 54% of 604 products listing astragalus (median 132.5 mg). Per day at the most servings: 320 mg.

Source: NIH ODS Dietary Supplement Label Database, label 299740 (entered December 14, 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 1 to 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 Th2 Modulator'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
Recommendations: As a dietary supplement, take 2 capsules, 1-2 times daily, between meals or as directed by a health professional.
Warnings
Warning: If you are pregnant or lactating, have any health condition or are taking any medication, consult your health professional before use.
Keep out of the reach of children.
Use only if safety seal is intact.
Allergens and what it does not contain
Certified Gluten-Free by the Gluten-Free Certified Organization www.gluten.org Gluten-Free, Non-GMO & Hypoallergenic
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 299740.

What else is on the label?

Other ingredients: Cellulose, Water, Cellulose.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): GFCO.org (Gluten-Free Certification Organization). Listed with: Certified gluten-free (GFCO) (a seal is the label's claim; the certifier's own list confirms it).

How many labels does Th2 Modulator have?

3 labels are on file under this name since April 23, 2020: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 299740 (current) Entered December 14, 2023 · on the market · 120 capsules · UPC 7 66298 02203 1
  2. Label 278369 Entered December 13, 2022 · off the market July 5, 2023 · 120 capsules · UPC 7 66298 02203 1
  3. Label 219314 Entered April 23, 2020 · off the market March 22, 2022 · 120 capsules · UPC 7 66298 02203 1

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

Who makes it?

The label names Pure Encapsulations (manufacturer), Sudbury, MA. All Pure Encapsulations products.

Where next?