PlainVitamins

I Comp

by Priority One Nutritional Supplements · tablet or pill · 60 tablets

  • On the market (NIH)
  • UPC 8 15354 02181 2
  • DSLD label 277373
  • Serving 2 tablets
  • 30 servings

I Comp by Priority One Nutritional Supplements lists 17 ingredients, 17 with an amount per serving of 2 tablets, such as 970 mg of vitamin C, 268 mg of vitamin E, 30 mg of zinc and 50 mcg of selenium. Its current label entered the NIH Dietary Supplement Label Database on November 22, 2022.

What is in I Comp?

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).

I Comp: Supplement Facts rows against the market (DSLD label 277373, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Cas Ascorbic Acid970 mg1,078%Vitamin C in I Comp against 18,583 products970 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg970 mg

Higher than 91% of 18,583 products listing vitamin C (median 100 mg).

Vitamin Eas D-Alpha-Tocopheryl Acid SuccinateVitamin E (Form: as D-Alpha Tocopheryl Acid Succinate)268 mg1,787%
Zincas Zinc GluconateZinc (Form: as Zinc Gluconate)30 mg273%Zinc in I Comp against 13,186 products30 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg30 mg

Higher than 90% of 13,186 products listing zinc (median 11 mg).

Seleniumas L-SelenomethionineSelenium (Form: as L-Selenomethionine) (Alt. Name: Bio Sel 5000)50 mcg91%Selenium in I Comp against 7,658 products50 mcg per serving; the middle half of products list 27 mcg to 100 mcg, the median 55 mcg.DV 55 mcgUL 400 mcg50 mcg

56% of 7,658 products listing selenium give more (median 55 mcg).

Copperas Copper Carbonate, Copper Gluconate2 mg222%Copper in I Comp against 6,468 products2 mg per serving; the middle half of products list 0.5 mg to 2 mg, the median 1 mg.DV 0.9 mgUL 10 mg2 mg

Higher than 66% of 6,468 products listing copper (median 1 mg).

Chromiumas Chromium Chloride Hexahydrate, Chromium Polynicotinate200 mcg571%Chromium in I Comp against 7,825 products200 mcg per serving; the middle half of products list 45 mcg to 200 mcg, the median 100 mcg.DV 35 mcg200 mcg

Higher than 72% of 7,825 products listing chromium (median 100 mcg).

Dunaliellaas Betatene, Mixed Carotenoids54 mg
Aztec Marigoldas Lutein, Zeaxanthin EstersAztec Marigold (Form: Lutein, and Zeaxanthin Esters) (Alt. Name: Xangold 10% GFB) PlantPart: flower6 mgTagetes in I Comp against 39 products6 mg per serving; the middle half of products list 10.5 mg to 100 mg, the median 20 mg.6 mg

87% of 39 products listing tagetes give more (median 20 mg).

Alpha Lipoic Acid50 mgAlpha Lipoic Acid in I Comp against 2,407 products50 mg per serving; the middle half of products list 25 mg to 150 mg, the median 50 mg.50 mg

47% of 2,407 products listing alpha lipoic acid give more (median 50 mg).

Diosinas Citrus Fruit Extract95%50 mgDiosmin in I Comp against 60 products50 mg per serving; the middle half of products list 187.5 mg to 600 mg, the median 450 mg.50 mg

78% of 60 products listing diosmin give more (median 450 mg).

Bioflavonoidsas Bitter OrangeBioflavonoids (Form: from Bitter Orange PlantPart: fruit Genus: Citrus Species: aurantium ) Note: 25%200 mgFlavonoid in I Comp against 2,343 products200 mg per serving; the middle half of products list 25 mg to 100 mg, the median 50 mg.200 mg

Higher than 83% of 2,343 products listing flavonoid (median 50 mg).

Quercetinas Japanese Sophora Flower Bud Extract95%100 mgQuercetin in I Comp against 1,548 products100 mg per serving; the middle half of products list 26.5 mg to 250 mg, the median 100 mg.100 mg

40% of 1,548 products listing quercetin give more (median 100 mg).

Rutinas Japanese Sophora Flower Bud Extract95%100 mgRutin in I Comp against 1,232 products100 mg per serving; the middle half of products list 10 mg to 50 mg, the median 25 mg.100 mg

Higher than 84% of 1,232 products listing rutin (median 25 mg).

Bilberry Fruit extractas Anthocyanins25% Anthocyanidins80 mgBilberry in I Comp against 896 products80 mg per serving; the middle half of products list 20 mg to 100 mg, the median 50 mg.80 mg

Higher than 64% of 896 products listing bilberry (median 50 mg).

Eyebright50 mgEyebright in I Comp against 123 products50 mg per serving; the middle half of products list 100 mg to 500 mg, the median 200 mg.50 mg

78% of 123 products listing eyebright give more (median 200 mg).

N-Acetyl L-Cysteine98.5%200 mgN-Acetyl Cysteine in I Comp against 1,259 products200 mg per serving; the middle half of products list 55 mg to 500 mg, the median 150 mg.200 mg

Higher than 51% of 1,259 products listing N-acetyl cysteine (median 150 mg).

L-Glutathione10 mgGlutathione in I Comp against 717 products10 mg per serving; the middle half of products list 10 mg to 200 mg, the median 50 mg.10 mg

75% of 717 products listing glutathione give more (median 50 mg).

Source: NIH ODS Dietary Supplement Label Database, label 277373 (entered November 22, 2022), 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?

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 970 mg of vitamin C is higher than 91% of the 18,583 vitamin C products that print an amount; 1,695 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.

Which products have the closest formulas?

The products whose ingredient lists overlap most with I Comp'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: Adults take two (2) tablets daily, preferably with a meal or as directed by a physician.
Warnings
Warning: If you are pregnant or breast feeding, consult your physician before using this product.
Keep out of reach of children.
Contains soy.
Allergens and what it does not contain
Contains no preservatives.
Storage
Keep container tightly closed, store in a cool, dry place.

Source: label statements in DSLD label 277373.

What else is on the label?

Other ingredients: Di-Calcium Phosphate, Stearic Acid, Microcrystaline Cellulose, Silicon Dioxide, Magnesium Stearate, Methylcellulose.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): GMP Certified.

How many labels does I Comp have?

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

  1. Label 277373 (current) Entered November 22, 2022 · on the market · 60 tablets · UPC 8 15354 02181 2
  2. Label 236762 Entered October 23, 2020 · off the market March 16, 2022 · 60 tablets · UPC 8 15354 02181 2

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

Who makes it?

The label names Priority One Nutritional Supplements, Inc. (distributor). All Priority One Nutritional Supplements products.

Where next?