PlainVitamins

Os2

by AmeriSciences · softgel capsule · 90 softgels

  • Off the market since October 2023 (NIH)
  • UPC 2028
  • DSLD label 16986
  • Serving 3 softgels
  • 30 servings

Os2 by AmeriSciences lists 7 ingredients, 7 with an amount per serving of 3 softgels, such as 2,500 IU of vitamin A, 250 mg of vitamin C, 800 IU (20 mcg) of vitamin D and 30 mg of olive leaf extract. Its current label entered the NIH Dietary Supplement Label Database on December 21, 2012.

What is in Os2?

Each row as the label prints it, per serving of 3 softgels. 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).

Os2: Supplement Facts rows against the market (DSLD label 16986, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Aas Vitamin A PalmitateVitamin A (Form: as Vitamin A Palmitate)2,500 IU50%Vitamin A in OS2 against 5,772 products2,500 IU per serving; the middle half of products list 2,000 IU to 5,000 IU, the median 4,000 IU.2,500 IU

59% of 5,772 products listing vitamin A give more (median 4,000 IU).

Vitamin Cas Ascorbic Acid250 mg420%Vitamin C in OS2 against 18,583 products250 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg250 mg

Higher than 68% of 18,583 products listing vitamin C (median 100 mg).

Vitamin Das CholecalciferolVitamin D (Form: as Cholecalciferol)800 IU (20 mcg)200%Vitamin D in OS2 against 14,175 products20 mcg per serving; the middle half of products list 10 mcg to 25 mcg, the median 15 mcg.DV 20 mcgUL 100 mcg20 mcg

Higher than 51% of 14,175 products listing vitamin D (median 15 mcg).

Olive leaf extractas OleuropeinZinc (Form: as Zinc Monomethionine)30 mg200%Olive in OS2 against 822 products30 mg per serving; the middle half of products list 30 mg to 300 mg, the median 100 mg.30 mg

72% of 822 products listing olive give more (median 100 mg).

Seleniumas Selenium Amino Acid ChelateSelenium (Form: as Selenium Amino Acid Chelate)70 mcg100%Selenium in OS2 against 7,658 products70 mcg per serving; the middle half of products list 27 mcg to 100 mcg, the median 55 mcg.DV 55 mcgUL 400 mcg70 mcg

Higher than 52% of 7,658 products listing selenium (median 55 mcg).

Lutein10 mgLutein in OS2 against 2,493 products10 mg per serving; the middle half of products list 0.5 mg to 10 mg, the median 3 mg.10 mg

Higher than 71% of 2,493 products listing lutein (median 3 mg).

Zeaxanthin2 mgZeaxanthin in OS2 against 1,215 products2 mg per serving; the middle half of products list 0.4 mg to 2 mg, the median 1 mg.2 mg

Higher than 62% of 1,215 products listing zeaxanthin (median 1 mg).

OS2 Proprietary Blendas Alpha Lipoic Acid, Astaxanthin, Bioperine(R) Piper spp. Extract1,612 mg

Source: NIH ODS Dietary Supplement Label Database, label 16986 (entered December 21, 2012), 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?

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 Os2'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: Take three (3) softgels daily, preferably with meals, or as recommended by an eye care provider.
Warnings
To report an adverse event, contact us at the above address.
WARNING: Keep out of the reach of children.
Do not take if pregnant or nursing unless recommended by and under the supervision of a healthcare provider.
Storage
Store product in a dry place at controlled room temperature (25(0) C / 77(0) F). Do not expose to excessive heat or moisture.

Source: label statements in DSLD label 16986.

What else is on the label?

Other ingredients: Gelatin, purified Water, Glycerin, Beeswax, Soybean Oil, Lecithin, Caramel.

How many labels does Os2 have?

One label is on file, entered on December 21, 2012.

  1. Label 16986 (current) Entered December 21, 2012 · off the market October 30, 2023 · 90 softgels · UPC 2028

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

Who makes it?

The label names AmeriSciences(R) (distributor), Houston, TX, 77041. All AmeriSciences products.

Where next?