PlainVitamins

Iodine Co-Factors

by Terry Naturally · capsule · 120 capsules

  • On the market (NIH)
  • UPC 3 67703 36002 3
  • DSLD label 203485
  • Serving 4 capsules
  • 30 servings

Iodine Co-Factors by Terry Naturally lists 6 ingredients, 6 with an amount per serving of 4 capsules, such as 1,200 mg of vitamin C, 100 mg of thiamine, 100 mg of riboflavin and 200 mg of magnesium. Its current label entered the NIH Dietary Supplement Label Database on September 24, 2019.

What is in Iodine Co-Factors?

Each row as the label prints it, per serving of 4 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).

Iodine Co-Factors: Supplement Facts rows against the market (DSLD label 203485, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Cas Ascorbic Acid1,200 mg2,000%Vitamin C in Iodine Co-Factors against 18,583 products1,200 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg1,200 mg

Higher than 98% of 18,583 products listing vitamin C (median 100 mg).

Thiamineas Thiamine Hydrochloride, Vitamin B1Thiamin (Form: from Thiamine HCl) (Alt. Name: B1)100 mg6,667%Thiamin in Iodine Co-Factors against 9,830 products100 mg per serving; the middle half of products list 1.5 mg to 25 mg, the median 5 mg.DV 1.2 mg100 mg

Higher than 94% of 9,830 products listing thiamin (median 5 mg).

Riboflavinas Vitamin B2100 mg5,882%Riboflavin in Iodine Co-Factors against 9,824 products100 mg per serving; the middle half of products list 1.7 mg to 25 mg, the median 4 mg.DV 1.3 mg100 mg

Higher than 96% of 9,824 products listing riboflavin (median 4 mg).

Magnesiumas Magnesium Oxide, TRAACS Magnesium Bisglycinate ChelateMagnesium (Form: from TRAACS Magnesium Bisglycinate Chelate, Magnesium Oxide)200 mg50%Magnesium in Iodine Co-Factors against 14,003 products200 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg200 mg

Higher than 75% of 14,003 products listing magnesium (median 86 mg).

Seleniumas Selenium GlycinateSelenium (Form: from Selenium Glycinate Complex)200 mcg286%Selenium in Iodine Co-Factors against 7,658 products200 mcg per serving; the middle half of products list 27 mcg to 100 mcg, the median 55 mcg.DV 55 mcgUL 400 mcg200 mcg

Higher than 82% of 7,658 products listing selenium (median 55 mcg).

Manganeseas TRAACS Manganese Bisglycinate ChelateManganese (Form: from TRAACS Manganese Bisglycinate Chelate)10 mg500%Manganese in Iodine Co-Factors against 7,016 products10 mg per serving; the middle half of products list 1 mg to 3.92 mg, the median 2 mg.DV 2.3 mgUL 11 mg10 mg

Higher than 93% of 7,016 products listing manganese (median 2 mg).

Source: NIH ODS Dietary Supplement Label Database, label 203485 (entered September 24, 2019), 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:

  • Its 1,200 mg of vitamin C is higher than 98% of the 18,583 vitamin C products that print an amount; 299 list more.
  • Its 100 mg of thiamin is higher than 94% of the 9,830 thiamin products that print an amount; 163 list more.
  • Its 100 mg of riboflavin is higher than 96% of the 9,824 riboflavin products that print an amount; 110 list more.
  • Its 10 mg of manganese is higher than 93% of the 7,016 manganese products that print an amount; 228 list more.

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.

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: 4 capsules daily. May take as 2 capsules twice daily. For use with Thyroid Care or Tri-Iodine.
Iodine Co-Factors is designed to be taken with the Terry Naturally iodine-containing products Thyroid Care or Tri-Iodine.
Warnings
If pregnant or nursing, consult a healthcare practitioner before using.
Allergens and what it does not contain
No sugar, salt, yeast, wheat, gluten, soy, dairy products, artificial coloring, artificial flavoring, or artificial preservatives. Non-GMO

Source: label statements in DSLD label 203485.

What else is on the label?

Other ingredients: Hydroxypropyl Methylcellulose, organic Rice Bran extract, Maltodextrin, organic Rice concentrate, Silica.

How many labels does Iodine Co-Factors have?

4 labels are on file under this name since November 25, 2014: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 203485 (current) Entered September 24, 2019 · on the market · 120 capsules · UPC 3 67703 36002 3
  2. Label 177005 Entered May 24, 2018 · off the market December 11, 2018 · 120 capsules · UPC 3 67703 36002 3
  3. Label 54422 Entered December 23, 2015 · off the market October 5, 2017 · 120 capsules · UPC 3 67703 36002 3
  4. Label 39385 Entered November 25, 2014 · off the market October 2, 2015 · 120 capsules · UPC 3 67703 36002 3

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

Who makes it?

The label names EuroPharma, Inc. (distributor), Green Bay, WI. All Terry Naturally products.

Where next?