PlainVitamins

Optifiber

by Kirkland Signature · powder · 760 grams

  • On the market (NIH)
  • DSLD label 276001
  • Serving 2 tsp (4g)
  • 190 servings

Optifiber by Kirkland Signature lists 5 ingredients, 5 with an amount per serving of 2 tsp, such as 0 mg of sodium and 4 g of total carbohydrates. Its current label entered the NIH Dietary Supplement Label Database on August 23, 2022.

What is in Optifiber?

Each row as the label prints it, per serving of 2 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).

Optifiber: Supplement Facts rows against the market (DSLD label 276001, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories15 Calories
Sodium0 mg0%
Total Carbohydrates4 g1%Carbohydrate in Optifiber against 21,979 products4 g per serving; the middle half of products list 1 g to 6 g, the median 3 g.4 g

Higher than 53% of 21,979 products listing carbohydrate (median 3 g). Per day at the most servings: 20 g.

Dietary Fiber3 g11%Fiber in Optifiber against 6,987 products3 g per serving; the middle half of products list 1 g to 4 g, the median 2 g.3 g

Higher than 63% of 6,987 products listing fiber (median 2 g). Per day at the most servings: 15 g.

Soluble Fiber3 g
Total Sugars0 g

Source: NIH ODS Dietary Supplement Label Database, label 276001 (entered August 23, 2022), version 9.4.0. See the label on DSLD or its label image (PDF). 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 3 to 5 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?

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 Use: Stir two (2) teaspoons (1 scoop) of Optifiber into at least 4 oz of any non-carbonated beverage or soft food. Stir until dissolved. Adults and children 12 and over: 3 to 5 servings per day. Children 6-11 years of age: 3 servings per day. Children under 6 years of age: Consult your doctor before use.
Warnings
Children under 6 years of age: Consult your doctor before use.
Contains wheat ingredients Gluten free: Less than 20 ppm gluten
Warning: If you are pregnant, nursing, taking any medications or planning any medical procedure, consult your doctor before use.
Discontinue use and consult your doctor if any adverse reactions occur.
Keep out of the reach of children.
Important: Tamper-evident seal under cap. Do not use if printed seal is broken or missing.
Allergens and what it does not contain
Flavor-free Sugar-free Gluten-free
No preservatives added No lactose No artificial color No artificial flavor Non-GMO Gluten-free
Storage
Store at room temperature, tightly closed. Avoid excessive heat.

Source: label statements in DSLD label 276001.

What else is on the label?

Other ingredients: Wheat Dextrin.

How many labels does Optifiber have?

2 labels are on file under this name since July 25, 2017: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 276001 (current) Entered August 23, 2022 · on the market · 760 grams
  2. Label 75897 Entered July 25, 2017 · on the market · 730 grams · UPC 0 96619 89694 3

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

Who makes it?

The label names Kirkland Signature (manufacturer). All Kirkland Signature products.

Where next?