PlainVitamins

ISB-Formula

by Nutri-West · tablet or pill · 42 tablets

  • On the market (NIH)
  • DSLD label 28002
  • Serving 1 tablet

ISB-Formula by Nutri-West lists 22 ingredients, 10 with an amount per serving of 1 tablet, such as 300 IU of vitamin A, 10 mg of niacin, 55.8 mg of pantothenic acid and 200 mcg of vitamin B12; 12 sit inside a blend without their own amounts. Its current label entered the NIH Dietary Supplement Label Database on November 25, 2013.

What is in ISB-Formula?

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).

ISB-Formula: Supplement Facts rows against the market (DSLD label 28002, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Aas Vitamin A Palmitate300 IU6%Vitamin A in ISB-Formula against 5,772 products300 IU per serving; the middle half of products list 2,000 IU to 5,000 IU, the median 4,000 IU.300 IU

94% of 5,772 products listing vitamin A give more (median 4,000 IU).

Niacin10 mg50%Niacin in ISB-Formula against 12,413 products10 mg per serving; the middle half of products list 13.2 mg to 48 mg, the median 20 mg.DV 16 mgUL 35 mg10 mg

77% of 12,413 products listing niacin give more (median 20 mg).

Pantothenic Acidas D-Calcium PantothenatePantothenic Acid (Form: as D-Calcium Pantothenate)55.8 mg550%Pantothenic Acid (Vitamin B5) in ISB-Formula against 10,060 products55.8 mg per serving; the middle half of products list 6 mg to 50 mg, the median 12 mg.DV 5 mg55.8 mg

Higher than 82% of 10,060 products listing pantothenic acid (vitamin B5) (median 12 mg).

Vitamin B12200 mcg3,333%Vitamin B12 in ISB-Formula against 14,425 products200 mcg per serving; the middle half of products list 6 mcg to 200 mcg, the median 36 mcg.DV 2.4 mcg200 mcg

Higher than 74% of 14,425 products listing vitamin B12 (median 36 mcg).

Vitamin B618 mg750%Vitamin B6 in ISB-Formula against 15,277 products18 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg18 mg

Higher than 71% of 15,277 products listing vitamin B6 (median 6 mg).

Folic Acid150 mcg38%Folate in ISB-Formula against 7,022 products150 mcg per serving; the middle half of products list 200 mcg to 400 mcg, the median 400 mcg.150 mcg

83% of 7,022 products listing folate give more (median 400 mcg).

Vitamin Cas Sago PalmVitamin C (Form: as Sago Palm)150 mg250%Vitamin C in ISB-Formula against 18,583 products150 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg150 mg

Higher than 58% of 18,583 products listing vitamin C (median 100 mg).

Vitamin Eas Vitamin E SuccinateVitamin E (Form: as {vitamin E} succinate) Note: CONTAINS WHEAT70 IU233%Vitamin E in ISB-Formula against 6,459 products70 IU per serving; the middle half of products list 15 IU to 100 IU, the median 30 IU.70 IU

Higher than 69% of 6,459 products listing vitamin E (median 30 IU).

Thymus60 mgThymus in ISB-Formula against 122 products60 mg per serving; the middle half of products list 25 mg to 198.75 mg, the median 50.5 mg.60 mg

Higher than 52% of 122 products listing thymus (median 50.5 mg).

Suma7 mgSuma in ISB-Formula against 93 products7 mg per serving; the middle half of products list 25 mg to 450 mg, the median 60 mg.7 mg

96% of 93 products listing suma give more (median 60 mg).

I.S.B. Complex107 mg
Magnesiumin the blend, no amount given
Seleniumas L-Selenomethioninein the blend, no amount given
Superoxide Dismutaseas GlutathioneSOD (Form: with glutathione)in the blend, no amount given
Zincin the blend, no amount given
Echinacea purpureain the blend, no amount given
Goldensealin the blend, no amount given
L-Cysteine Hydrochloridein the blend, no amount given
L-Ornithinein the blend, no amount given
Ferric Phosphatein the blend, no amount given

The label names the compound (Ferric Phosphate); its amount is likely the compound's weight, not the iron it holds, so it is not placed among other products.

Garlicin the blend, no amount given
L-Aspartic Acidin the blend, no amount given
Natural flavorin the blend, no amount given

Source: NIH ODS Dietary Supplement Label Database, label 28002 (entered November 25, 2013), 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:

  • 94% of the 5,772 products that print an amount of vitamin A list more than its 300 IU of vitamin A (median 4,000 IU).
  • 96% of the 93 products that print an amount of suma list more than its 7 mg of suma (median 60 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.

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
Directions for use: One tablet daily or as directed.
Warnings
TAMPER RESISTANT OUTER SEAL - DO NOT USE IF BROKEN.
KEEP OUT OF REACH OF CHILDREN.
Allergens and what it does not contain
Contains no starch, salt, sugar, corn, yeast, soy or preservatives.
Storage
Store in cool, dry place.

Source: label statements in DSLD label 28002.

How many labels does ISB-Formula have?

One label is on file, entered on November 25, 2013.

  1. Label 28002 (current) Entered November 25, 2013 · on the market · 42 tablets

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

Who makes it?

The label names Nutri-West (other), Douglas, Wy. All Nutri-West products.

Where next?