Quick answers
- What is Methylcellulose (4000 cps) used for?
- The Drug Facts label of Soluble Fiber (United Natural Foods, Inc. dba UNFI) lists these uses: (S) relieves occasional constipation to help restore and maintain regularity generally produces a bowel movement in 12-72 hours.
- Do I need a prescription for Methylcellulose (4000 cps)?
- No. The products on this page are sold without a prescription (over the counter).
- Is a store brand the same as the name brand?
- Products listed together below have the same active ingredient, in the same amount and the same form, as registered with the FDA. Inactive ingredients (such as colors, flavors and fillers) and package sizes can differ. Compare the “Active ingredient” box on both packages, and ask a pharmacist if you are not sure.
- Has Methylcellulose (4000 cps) been recalled?
- No recall linked to these products appears in the FDA enforcement reports we use.
Drug Facts label
Every over-the-counter medicine must carry a “Drug Facts” box in the same order, set by FDA rules. Below is the label of one product for each common strength and form, quoted word for word. Your own package can differ (for example, children’s products have other directions): always follow the label on your package.
Soluble Fiber · United Natural Foods, Inc. dba UNFI
Methylcellulose (4000 cps) 500 mg, tablet (oral)
Active ingredient (in each caplet)
Methylcellulose 500 mg
Purpose
Bulk-forming laxative
Uses
(S) relieves occasional constipation to help restore and maintain regularity generally produces a bowel movement in 12-72 hours
Warnings
Choking: Taking this product without adequate fluid may cause it to swell and block your throat or esophagus and may cause choking. Do not take this product if you have difficulty in swallowing. If you experience chest pain, vomiting or difficulty in swallowing or breathing after taking this product, seek immediate medical attention. ASK A DOCTOR BEFORE USE IF YOU HAVE abdominal pain, nausea or vomiting a sudden change in bowel habits that persists over a period of 2 weeks WHEN USING THIS PRODUCT do not use laxative products for a period longer than one week unless directed by a doctor. do not use if you are on a low salt diet unless directed by a doctor. STOP USE AND ASK DOCTOR IF rectal bleeding occurs you fail to have a bowel movement after use These could be signs of a serious condition KEEP OUT OF REACH OF CHILDREN In case of overdose, get medical help or contact a Poison Control Center right away
Directions
DOSAGE & ADMINISTRATION SECTION Directions This product generally produces effect in 12-72 hours take this product (child or adult) dose with atleast 8 ounces (a full glass) of water or other fluid taking this product without enough liquid may cause choking, see choking warning.
| AGE | DOSE | MAXIMUM DOSE |
| adults & children 12 years & over | 2 caplets | up to 6 times daily |
| children 6 to 11 years | 1 caplet | up to 6 times daily |
| children under 6 years | ask a doctor | ask a doctor |
Inactive ingredients
citric acid, colloidal silicon dioxide, crospovidone, FD&C yellow no.6 aluminum lake, magnesium stearate, microcrystalline cellulose, sodium bicarbonate, sodium chloride, sodium lauryl sulfate.
— FDA label of Soluble Fiber, United Natural Foods, Inc. dba UNFI, effective January 20, 2025. See the official label on DailyMed →
This page is not medical advice. Read the label on your package, and ask a pharmacist or doctor if you are not sure a medicine is right for you, for your child, or with your other medicines.
Same medicine, other brands
Each group lists the products that have exactly the same active ingredient, in the same amount and form, as registered with the FDA (NDC Directory). A store brand in the same group has the same medicine as the name brand; inactive ingredients, flavors and package sizes can differ. Each product links to its own official label.
Methylcellulose (4000 cps) 500 mg · tablet (oral) · 2 products
Companies that sell this medicine
The company named on the package (maker or distributor), as listed in the FDA NDC Directory, with its number of over-the-counter products of this medicine.
- GoodSense1 product
- United Natural Foods, Inc. dba UNFI1 product
Recalls
No recall linked to these products (by their NDC code or label) appears in the FDA enforcement reports.
Sources
- Drug labeling (SPL, openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026
- NDC Directory (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026
- Drug recall enforcement reports (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 27, 2026, retrieved October 31, 2026
- FDA rule for the Drug Facts label (21 CFR 201.66)
Only medicines marketed under FDA rules for nonprescription drugs (an FDA monograph or an FDA approval) are listed. Homeopathic products are not listed: the FDA does not evaluate them for safety or effectiveness.