PlainVitamins

FOS 1.25 g

by Allergy Research Group Essential-Biotic · powder · 100 grams

  • On the market (NIH)
  • UPC 7 13947 71920 6
  • DSLD label 207839
  • Serving 0.5 tsp (approx. 1.25 g)
  • 80 servings

FOS 1.25 g by Allergy Research Group Essential-Biotic lists one ingredient: 1.25 g of fructooligosaccharides per serving of 0.5 tsp. Its current label entered the NIH Dietary Supplement Label Database on October 23, 2019.

What is in FOS 1.25 g?

Each row as the label prints it, per serving of 0.5 tsp. 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).

FOS 1.25 g: Supplement Facts rows against the market (DSLD label 207839, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories5 Calories
Sodium0 g0%
Total Carbohydrates1.2 g1%Carbohydrate in FOS 1.25 g against 21,979 products1.2 g per serving; the middle half of products list 1 g to 6 g, the median 3 g.1.2 g

74% of 21,979 products listing carbohydrate give more (median 3 g). Per day at the most servings: 4.8 g.

Dietary Fibers3 mg1%

This amount is far outside what other labels list for fiber, or disagrees with the label's own %DV: possibly a unit or transcription slip in the database. Check the label image on DSLD.

Total Sugars48 mg1%Sugar in FOS 1.25 g against 11,807 products0.048 g per serving; the middle half of products list 1 g to 4 g, the median 2 g.0.048 g

over 99% of 11,807 products listing sugar give more (median 2 g). Per day at the most servings: 0.192 g.

Protein6.1 mg1%

This amount is far outside what other labels list for protein, or disagrees with the label's own %DV: possibly a unit or transcription slip in the database. Check the label image on DSLD.

Fructooligosaccharides1.25 gFructo-Oligosaccharides in FOS 1.25 g against 526 products1,250 mg per serving; the middle half of products list 75 mg to 500 mg, the median 185 mg.1,250 mg

Higher than 88% of 526 products listing fructo-oligosaccharides (median 185 mg). Per day at the most servings: 5,000 mg.

Source: NIH ODS Dietary Supplement Label Database, label 207839 (entered October 23, 2019), 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 2 to 4 servings 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?

2 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 use As a dietary supplement, 1/2 teaspoon (1.25 grams) mixed in water if desired, two to four times daily between meals, or as directed by a healthcare practitioner.
Warnings
Caution: Some individuals taking FOS may experience gastrointestinal bloating that persists longer than 1-2 weeks, possibly due to unfriendly microbes feeding on FOS. In such cases, this product should be discontinued.
Allergens and what it does not contain
Non-dairy and gluten-free.
Storage
Keep in a cool, dry place, tightly capped.
Stable at room temperature

Source: label statements in DSLD label 207839.

How many labels does FOS 1.25 g have?

One label is on file, entered on October 23, 2019.

  1. Label 207839 (current) Entered October 23, 2019 · on the market · 100 grams · UPC 7 13947 71920 6

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

Who makes it?

The label names Allergy Research Group (distributor), South Salt Lake, UT. All Allergy Research Group Essential-Biotic products.

Where next?