PlainVitamins

Stress B Formula Plus 1000 mg C

by Natural Factors · tablet or pill · 60 tablets

  • On the market (NIH)
  • UPC 0 68958 01130 1
  • DSLD label 7921
  • Serving 1 tablet

Stress B Formula Plus 1000 mg C by Natural Factors lists 12 ingredients, 12 with an amount per serving of 1 tablet, such as 1,000 mg of vitamin C, 25 mg of thiamine, 25 mg of riboflavin and 25 mg of niacin. Its current label entered the NIH Dietary Supplement Label Database on April 26, 2012.

What is in Stress B Formula Plus 1000 mg C?

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).

Stress B Formula Plus 1000 mg C: Supplement Facts rows against the market (DSLD label 7921, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Cas Ascorbic Acid1,000 mg1,667%Vitamin C in Stress B Formula Plus 1000 mg C against 18,583 products1,000 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg1,000 mg

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

Thiamineas Thiamine HydrochlorideThiamin (Form: as Thiamin Hydrochloride)25 mg1,667%Thiamin in Stress B Formula Plus 1000 mg C against 9,830 products25 mg per serving; the middle half of products list 1.5 mg to 25 mg, the median 5 mg.DV 1.2 mg25 mg

Higher than 72% of 9,830 products listing thiamin (median 5 mg).

Riboflavin25 mg1,470%Riboflavin in Stress B Formula Plus 1000 mg C against 9,824 products25 mg per serving; the middle half of products list 1.7 mg to 25 mg, the median 4 mg.DV 1.3 mg25 mg

Higher than 75% of 9,824 products listing riboflavin (median 4 mg).

Niacinas NiacinamideNiacin (Form: as Niacinamide)25 mg125%Niacin in Stress B Formula Plus 1000 mg C against 12,413 products25 mg per serving; the middle half of products list 13.2 mg to 48 mg, the median 20 mg.DV 16 mgUL 35 mg25 mg

Higher than 56% of 12,413 products listing niacin (median 20 mg).

Vitamin B6as Pyridoxine HydrochlorideVitamin B6 (Form: as Pyridoxine Hydrochloride)25 mg1,250%Vitamin B6 in Stress B Formula Plus 1000 mg C against 15,277 products25 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg25 mg

Higher than 76% of 15,277 products listing vitamin B6 (median 6 mg).

Folic Acid1,000 mcg250%Folate in Stress B Formula Plus 1000 mg C against 7,022 products1,000 mcg per serving; the middle half of products list 200 mcg to 400 mcg, the median 400 mcg.1,000 mcg

Higher than 93% of 7,022 products listing folate (median 400 mcg).

Vitamin B12as CyanocobalaminVitamin B12 (Form: as Cyanocobalamin)25 mcg417%Vitamin B12 in Stress B Formula Plus 1000 mg C against 14,425 products25 mcg per serving; the middle half of products list 6 mcg to 200 mcg, the median 36 mcg.DV 2.4 mcg25 mcg

54% of 14,425 products listing vitamin B12 give more (median 36 mcg).

Biotin25 mcg8%Biotin in Stress B Formula Plus 1000 mg C against 9,447 products25 mcg per serving; the middle half of products list 50 mcg to 300 mcg, the median 200 mcg.DV 30 mcg25 mcg

92% of 9,447 products listing biotin give more (median 200 mcg).

Pantothenic Acidas Calcium PantothenatePantothenic Acid (Form: as Calcium Pantothenate)25 mg250%Pantothenic Acid (Vitamin B5) in Stress B Formula Plus 1000 mg C against 10,060 products25 mg per serving; the middle half of products list 6 mg to 50 mg, the median 12 mg.DV 5 mg25 mg

Higher than 61% of 10,060 products listing pantothenic acid (vitamin B5) (median 12 mg).

Cholineas Choline BitartrateCholine (Form: as Choline Bitartrate)25 mg5%*Choline in Stress B Formula Plus 1000 mg C against 4,738 products25 mg per serving; the middle half of products list 18 mg to 100 mg, the median 40 mg.DV 550 mgUL 3,500 mg25 mg

59% of 4,738 products listing choline give more (median 40 mg).

Inositol25 mgInositol in Stress B Formula Plus 1000 mg C against 4,042 products25 mg per serving; the middle half of products list 10 mg to 80 mg, the median 30 mg.25 mg

53% of 4,042 products listing inositol give more (median 30 mg).

Para-Aminobenzoic Acid25 mgPABA in Stress B Formula Plus 1000 mg C against 1,610 products25 mg per serving; the middle half of products list 10 mg to 50 mg, the median 25 mg.25 mg

47% of 1,610 products listing PABA give more (median 25 mg).

* % Daily Value computed from the printed amount and the FDA Daily Value (21 CFR 101.9); the label prints none for that row.

Source: NIH ODS Dietary Supplement Label Database, label 7921 (entered April 26, 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:

  • Its 1,000 mg of vitamin C is higher than 91% of the 18,583 vitamin C products that print an amount; 445 list more.
  • Its 1,000 mcg of folic acid (filed by NIH under folate) is higher than 93% of the 7,022 folate products that print an amount; 183 list more.
  • 92% of the 9,447 products that print an amount of biotin list more than its 25 mcg of biotin (median 200 mcg).

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?

6 products list the very same ingredients; the nearest amounts come first.

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: 1 tablet per day or as directed by a health professional.
Warnings
Keep out of reach of children.
Sealed for your protection. Do not use if seal is broken.
Allergens and what it does not contain
Contains no artificial preservatives, color or sweeteners; no dairy.
Storage
For freshness, store in a cool, dry place.

Source: label statements in DSLD label 7921.

What else is on the label?

Other ingredients: Croscarmellose Sodium, Magnesium Stearate, Soy Lecithin.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Purity & Potency Guaranteed; (recycle) Recyclable container.

How many labels does Stress B Formula Plus 1000 mg C have?

2 labels are on file under this name since April 26, 2012: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 7922 Entered April 26, 2012 · off the market May 6, 2017 · 90 tablets · UPC 0 68958 01131 8
  2. Label 7921 (current) Entered April 26, 2012 · on the market · 60 tablets · UPC 0 68958 01130 1

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

Who makes it?

The label names Natural Factors Canada (manufacturer). All Natural Factors products.

Where next?