Fiber Capsules
by Kirkland Signature · capsule · 360 capsules
- On the market (NIH)
- DSLD label 207331
- Serving 2 to 6 capsules; amounts per 6 capsules
- 60 servings
Fiber Capsules by Kirkland Signature lists 2 ingredients, 2 with an amount per serving of 6 capsules, such as 0.4 mg of iron and 30 mg of potassium, beside 4 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 Fiber Capsules?
Each row as the label prints it, per serving of 6 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).
| Ingredient | Amount | % DV | Among products listing it |
|---|---|---|---|
| Calories | 10 Calories | ||
| Total Carbohydrates | 3 g | 1% | 47% of 21,979 products listing carbohydrate give more (median 3 g). Per day at the most servings: 9 g. |
| Dietary Fiber | 3 g | 11% | Higher than 63% of 6,987 products listing fiber (median 2 g). Per day at the most servings: 9 g. |
| Soluble Fiber | 2 g | ||
| Protein | less than 1 g | ||
| Iron | 0.4 mg | 2% | 92% of 6,910 products listing iron give more (median 5 mg). Per day at the most servings: 1.2 mg. |
| Potassium | 30 mg | 1% | 83% of 11,614 products listing potassium give more (median 99 mg). Per day at the most servings: 90 mg. |
Source: NIH ODS Dietary Supplement Label Database, label 207331 (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 3 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.
- MultiHealth Fiber Psyllium Fiber CapsulesMetamucil same ingredients
- Fiber CapsulesCVS Pharmacy same ingredients
- Natural FiberGuardian same ingredients
- Fiber CapsulesKroger same ingredients
- Fiber CapsulesSimply Right · off the market same ingredients
- Natural Fiber CapsulesSmart Sense 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: Adults 12 years & over: 2-6 capsules for increasing daily fiber intake and 6 capsules for cholesterol-lowering program. Take this product with 8 oz of water (swallow 1 capsule at a time) up to 3 times daily. Children under 12 years: Consult a doctor New users: Start with 1 serving per day; gradually increase up to 3 servings per day as necessary. You may initially experience changes in bowel habits or 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 this product without enough liquid may cause choking. Do not take if you have difficulty swallowing.
- Warnings
- Do not use if printed seal under cap is torn or missing.
- Consult a doctor if you are considering use of the product as part of a cholesterol-lowering program.
- Notice: Take this product with at least 8 oz (a full glass) of liquid. Taking this product without enough liquid may cause choking. Do not take if you have difficulty swallowing.
- Allergy alert: May cause allergic reaction in people sensitive to ingested or inhaled psyllium.
- Ask a doctor before use if you have abdominal pain, nausea or vomiting or experience a sudden change in bowel habits persisting for 2 weeks. Stop use and ask a doctor if constipation lasts more than 7 days or rectal bleeding occurs. These may be signs of a serious condition.
- Bulk-forming fibers like psyllium husk may affect how well other medicines work. If you are taking a prescription medicine by mouth, take this product at least 2 hours before or 2 hours after the prescribed medicine.
- Keep out of reach of children.
- Allergens and what it does not contain
- Gluten free (<20 ppm)
- Storage
- Store at room temperature. Protect contents from moisture.
Source: label statements in DSLD label 207331.
What else is on the label?
Other ingredients: Psyllium, Gelatin, Polysorbate 80, Caramel color, Acacia, Black Iron Oxide.
How many labels does Fiber Capsules have?
One label is on file, entered on September 24, 2019.
- Label 207331 (current) Entered September 24, 2019 · on the market · 360 capsules
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Costco Wholesale Corporation (distributor), Seattle, WA. All Kirkland Signature products.