PlainVitamins

Psyllium Fiber

by 21st Century · capsule · 160 capsules

  • On the market (NIH)
  • UPC 7 40985 27024 0
  • DSLD label 207397
  • Serving 1 to 5 capsules; amounts per 5 capsules
  • 32 servings

Psyllium Fiber by 21st Century lists 2 ingredients, 2 with an amount per serving of 5 capsules, such as 0.4 mg of iron and 25 mg of potassium, beside 3 Nutrition Facts rows (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on September 24, 2019.

What is in Psyllium Fiber?

Each row as the label prints it, per serving of 5 capsules. 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).

Psyllium Fiber: Supplement Facts rows against the market (DSLD label 207397, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories10 Calories
Total Carbohydrates2 g1%Carbohydrate in Psyllium Fiber against 21,979 products2 g per serving; the middle half of products list 1 g to 6 g, the median 3 g.2 g

58% of 21,979 products listing carbohydrate give more (median 3 g). Per day at the most servings: 8 g.

Dietary Fiber2 g7%Fiber in Psyllium Fiber against 6,987 products2 g per serving; the middle half of products list 1 g to 4 g, the median 2 g.2 g

38% of 6,987 products listing fiber give more (median 2 g). Per day at the most servings: 8 g.

Soluble Fiber2 g
Iron0.4 mg2%Iron in Psyllium Fiber against 6,910 products0.4 mg per serving; the middle half of products list 1.2 mg to 18 mg, the median 5 mg.DV 18 mgUL 45 mg0.4 mg

92% of 6,910 products listing iron give more (median 5 mg). Per day at the most servings: 1.6 mg.

Potassium25 mg1%Potassium in Psyllium Fiber against 11,614 products25 mg per serving; the middle half of products list 50 mg to 190 mg, the median 99 mg.DV 4,700 mg25 mg

86% of 11,614 products listing potassium give more (median 99 mg). Per day at the most servings: 100 mg.

Source: NIH ODS Dietary Supplement Label Database, label 207397 (entered September 24, 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?

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:

  • 92% of the 6,910 products that print an amount of iron list more than its 0.4 mg of iron (median 5 mg).

The NIH database records 1 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.

  • ReguloidRugby same ingredients
  • PsylliumReliable-1 Laboratories same ingredients

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
Directions: To increase daily fiber intake, take up to five (5) capsules, swallowed one (1) at a time, with 8 fl oz of water. Taking this product without enough liquid may cause choking. See choking warning. Do not take if you have difficulty swallowing. May be taken up to four (4) times daily or as directed by a healthcare provider. Do not exceed recommended dosage.
Warnings
Taking this product without enough liquid may cause choking. See choking warning. Do not take if you have difficulty swallowing.
Do not exceed recommended dosage.
Warning: Consult a healthcare provider prior to use if pregnant, nursing, on medications, have a medical condition or are planning a medical procedure.
Stop use and contact a physician if adverse reactions occur.
Keep out of reach of children.
Do not use if product appears to be tampered with or seal is broken.
Warning: Accidental overdose of iron-containing products is a leading cause of fatal poisoning in children under 6. Keep this product out of reach of children. In case of accidental overdose, call a doctor or Poison Control Center immediately.
Precautions and Warnings Choking: Taking this product without adequate fluid may cause it to swell and block your throat or esophagus. If you experience chest pain, nausea or vomiting, or difficulty in swallowing or breathing after taking this product, seek immediate medical attention.
Allergy Alert: This product may cause an allergic reaction in people sensitive to psyllium.
If you are considering taking this product as part of a cholesterol reducing program, consult with your doctor.
If you are taking a prescription medicine, consult with your doctor before taking this or any fiber products.
With increased fiber intake, you may experience changes in bowel habits and minor bloating. If you recently experienced a sudden change in bowel habits, abdominal pain, nausea or vomiting consult with your doctor before taking this product. If constipation lasts for more than 7 days or rectal bleeding occurs, stop taking this product and contact your doctor.
Allergens and what it does not contain
No added Salt, Yeast or Preservatives.
Gluten free
Storage
Store at room temperature.

Source: label statements in DSLD label 207397.

What else is on the label?

Other ingredients: Psyllium, Gelatin, Contains Less Than 2% of.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Guaranteed quality Laboratory tested.

How many labels does Psyllium Fiber have?

3 labels are on file under this name since July 25, 2012: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 233592 Entered September 25, 2020 · off the market August 6, 2020 · 160 capsules · UPC 7 40985 27024 0
  2. Label 207397 (current) Entered September 24, 2019 · on the market · 160 capsules · UPC 7 40985 27024 0
  3. Label 11510 Entered July 25, 2012 · off the market June 28, 2019 · 160 capsules · UPC 7 40985 27024 0

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

Who makes it?

The label names 21st Century HealthCare, Inc. (manufacturer), Tempe, AZ. All 21st Century products.

Where next?