PlainVitamins

A/ O Maximizers

by Douglas Laboratories · tablet or pill · 60 tablets

  • On the market (NIH)
  • UPC 7 45287 02101 9
  • DSLD label 10747
  • Serving 1 to 2 tablets; amounts per 1 tablet
  • 60 servings

A/ O Maximizers by Douglas Laboratories lists 13 ingredients, 13 with an amount per serving of 1 tablet, such as 5,000 IU of vitamin A, 120 mg of vitamin C, 100 IU of vitamin E and 5 mg of riboflavin. Its current label entered the NIH Dietary Supplement Label Database on July 25, 2012.

What is in A/ O Maximizers?

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).

A/ O Maximizers: Supplement Facts rows against the market (DSLD label 10747, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Aas natural beta-caroteneVitamin A (Form: as natural beta-carotene (Form: from D. salina))5,000 IU100%Vitamin A in A/ O Maximizers against 5,772 products5,000 IU per serving; the middle half of products list 2,000 IU to 5,000 IU, the median 4,000 IU.5,000 IU

Higher than 55% of 5,772 products listing vitamin A (median 4,000 IU).

Vitamin Cas Ascorbyl Palmitate, L-Ascorbic AcidVitamin C (Form: as L-acorbic acid, and ascorbyl palmitate)120 mg200%Vitamin C in A/ O Maximizers against 18,583 products120 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg120 mg

Higher than 51% of 18,583 products listing vitamin C (median 100 mg).

Vitamin Eas D-Alpha-Tocopheryl SuccinateVitamin E (Form: as D-Alpha Tocopheryl Succinate)100 IU333%Vitamin E in A/ O Maximizers against 6,459 products100 IU per serving; the middle half of products list 15 IU to 100 IU, the median 30 IU.100 IU

Higher than 71% of 6,459 products listing vitamin E (median 30 IU).

Riboflavin5 mg294%Riboflavin in A/ O Maximizers against 9,824 products5 mg per serving; the middle half of products list 1.7 mg to 25 mg, the median 4 mg.DV 1.3 mg5 mg

Higher than 51% of 9,824 products listing riboflavin (median 4 mg).

Niacinas NiacinamideNiacin (Form: as Niacinamide)40 mg200%Niacin in A/ O Maximizers against 12,413 products40 mg per serving; the middle half of products list 13.2 mg to 48 mg, the median 20 mg.DV 16 mgUL 35 mg40 mg

Higher than 71% of 12,413 products listing niacin (median 20 mg). 1.1 times the adult UL a day.

Magnesiumas magnesium amino acid chelateMagnesium (Form: as magnesium amino acid chelate Note: U.S. Patent Nos. 4,599,152 Albion Laboratories.)50 mg13%Magnesium in A/ O Maximizers against 14,003 products50 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg50 mg

59% of 14,003 products listing magnesium give more (median 86 mg).

Zincas Zinc HistidineZinc (Form: as zinc histicine Note: U.S. Patent Nos. 4,599,152 Albion Laboratories.)8 mg53%
Seleniumas SelenomethionineSelenium (Form: as Selenomethionine)50 mcg71%Selenium in A/ O Maximizers 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 lysinateCopper (Form: as copper lysinate Note: U.S. Patent Nos. 4,599,152 Albion Laboratories.)1 mg50%
Manganeseas manganese glycinateManganese (Form: as manganese glycinate Note: U.S. Patent Nos. 4,599,152 Albion Laboratories.)5 mg250%Manganese in A/ O Maximizers against 7,016 products5 mg per serving; the middle half of products list 1 mg to 3.92 mg, the median 2 mg.DV 2.3 mgUL 11 mg5 mg

Higher than 80% of 7,016 products listing manganese (median 2 mg).

Alpha-Lipoic Acid10 mgAlpha Lipoic Acid in A/ O Maximizers against 2,407 products10 mg per serving; the middle half of products list 25 mg to 150 mg, the median 50 mg.10 mg

84% of 2,407 products listing alpha lipoic acid give more (median 50 mg).

Methylsulfonylmethane50 mgMethylsulfonylmethane in A/ O Maximizers against 1,454 products50 mg per serving; the middle half of products list 150 mg to 1,000 mg, the median 500 mg.50 mg

89% of 1,454 products listing methylsulfonylmethane give more (median 500 mg).

Taurine25 mgTaurine in A/ O Maximizers against 2,337 products25 mg per serving; the middle half of products list 110 mg to 1,000 mg, the median 500 mg.25 mg

94% of 2,337 products listing taurine give more (median 500 mg).

L-GlutathioneL-Glutathione Note: reduced25 mgGlutathione in A/ O Maximizers against 717 products25 mg per serving; the middle half of products list 10 mg to 200 mg, the median 50 mg.25 mg

57% of 717 products listing glutathione give more (median 50 mg).

Quercetin50 mgQuercetin in A/ O Maximizers against 1,548 products50 mg per serving; the middle half of products list 26.5 mg to 250 mg, the median 100 mg.50 mg

56% of 1,548 products listing quercetin give more (median 100 mg).

Source: NIH ODS Dietary Supplement Label Database, label 10747 (entered July 25, 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?

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:

  • At 1 serving a day, the most its directions give, the label lists 40 mg of niacin, 1.1 times the adult Tolerable Upper Intake Level.
  • 84% of the 2,407 products that print an amount of alpha lipoic acid list more than its 10 mg of alpha-lipoic acid (filed by NIH under alpha lipoic acid) (median 50 mg).
  • 89% of the 1,454 products that print an amount of methylsulfonylmethane list more than its 50 mg of methylsulfonylmethane (median 500 mg).
  • 94% of the 2,337 products that print an amount of taurine list more than its 25 mg of taurine (median 500 mg).

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 A/ O Maximizers'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 Usage: As a dietary supplement, adults take 1 to 2 tablets daily, or as directed by your healthcare professional.
Warnings
KEEP OUT OF REACH OF CHILDREN.
Tamper resistant package, do not use if outer seal is missing.
Storage
For optimal storage conditions, store in a cool, dry place. (59(0)-77(0)F/15(0)-25(0)C) (35-65% relative humidity)

Source: label statements in DSLD label 10747.

What else is on the label?

Other ingredients: modified Cellulose Gum, Magnesium Stearate, Silica, Methylcellulose.

How many labels does A/ O Maximizers have?

One label is on file, entered on July 25, 2012.

  1. Label 10747 (current) Entered July 25, 2012 · on the market · 60 tablets · UPC 7 45287 02101 9

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

Who makes it?

The label names Douglas Laboratories (manufacturer), Pittsburgh, PA. All Douglas Laboratories products.

Where next?