PlainVitamins

Psyllium Fiber

by Member’s Mark · capsule · 400 capsules

  • On the market (NIH)
  • DSLD label 332697
  • Serving 2 to 5 capsules; amounts per 5 capsules
  • 80 servings

Psyllium Fiber by Member’s Mark lists 3 ingredients, 2 with an amount per serving of 5 capsules, such as 0.4 mg of iron and 25 mg of potassium; 1 sits inside a blend without its own amount, beside 4 Nutrition Facts rows (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on July 24, 2025.

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 332697, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories5 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.

Fiber, Soluble2 g
Proteinless than 1 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.

Psyllium Huskno amount given

Source: NIH ODS Dietary Supplement Label Database, label 332697 (entered July 24, 2025), 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?

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?

The products whose ingredient lists overlap most with Psyllium Fiber's, rare ingredients counting for more.

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
For adults 12 years and older Helps support: Digestive health by promoting regularity, 2 to 5 capsules up to 4 times per day Heart Health by lowering cholesterol, 5 capsules up to 4 times per day Healthy blood sugar levels take before each meal, 5 capsules 4 times per day Swallow 1 capsule at a time and take in an upright position
New users: Start with one serving per day; gradually increase to desired daily intake. Notice: Take this product with at least 8 oz (a full glass) of liquid.
Warnings
Tamper evident: Do not use if printed inner seal under cap is broken or missing
You may experience changes in bowel habits/minor bloating, as your body adjusts to increased fiber intake. Notice: Take this product with at least 8 oz (a full glass) of liquid. Taking without enough liquid may cause choking. Do not take if you have difficulty swallowing. This product has a low glycemic index, a measure of the effect of dietary carbohydrates on blood sugar levels.
Allergens and what it does not contain
Gluten free

Source: label statements in DSLD label 332697.

What else is on the label?

Other ingredients: Gelatin, Polysorbate 80, Shellac, Red Iron Oxide, Propylene Glycol.

How many labels does Psyllium Fiber have?

One label is on file, entered on July 24, 2025.

  1. Label 332697 (current) Entered July 24, 2025 · on the market · 400 capsules

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

Who makes it?

The label names Sam's West, Inc. (distributor), Bentonville, AR. All Member’s Mark products.

Where next?