FDA.reportPublic FDA data

CVS Fiber Therapy Methylcellulose 500 mg 100 Caplets

Manufacturer
CVS PHARMACY
Effective date
2026-08-13
Label type
HUMAN OTC DRUG LABEL
Version
4
Source
daily-update
Hydrated at
2026-08-18 02:02:44

Label at a glance#

ProductCVS Fiber Therapy
Active ingredientMETHYLCELLULOSE (4000 MPA.S)
Label structure8 sections

Indications and uses

▪ Relieves occasional constipation (irregularity) ▪ Generally produces a bowel movement in 12-72 hours 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 immedi...

Dosage and administration

Take this product (child or adult dose) with at least 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 over 12 years Start with 2 caplets. Increase as needed up to 6 times per day. do not exceed 12 caplets per day. children (6 to 12 years ) Start with 1 caplet. Increase as needed up to 6 time...

Label contents#

Full prescribing information#

Active ingredient (in each caplet)

OTC - ACTIVE INGREDIENT SECTION

Methylcellulose (a non-allergenic fiber) 500 mg

Purpose

OTC - PURPOSE SECTION

Bulk-forming laxative

Uses

INDICATIONS & USAGE SECTION

  • Relieves occasional constipation (irregularity)
  • Generally produces a bowel movement in 12-72 hours

Warnings

WARNINGS SECTION

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

OTC - ASK DOCTOR SECTION

  • abdominal pain, nausea or vomiting
  • a sudden change in bowel habits that persists for 2 weeks
Stop use and ask a doctor if

OTC - STOP USE SECTION

  • constipation lasts more than 7 days
  • You have rectal bleeding

    These could be signs of a serious condition.

Keep out of reach of children.

OTC - KEEP OUT OF REACH OF CHILDREN SECTION

In case of overdose, get medical help or contact a Poison Control Center right away at 1-800-222-1222.

Directions

DOSAGE & ADMINISTRATION SECTION

Take this product (child or adult dose) with at least 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 over 12 years

Start with 2 caplets. Increase as needed up to 6 times per day.

do not exceed 12 caplets per day.

children (6 to 12 years )

Start with 1 caplet. Increase as needed up to 6 times per day.

do not exceed 6 caplets per day.

children under 6 years

consult a physician

consult a physician

Other information

SPL UNCLASSIFIED SECTION

  • each caplet contains: calcium 18 mg
  • store at room temperature
  • protect contents from moisture
  • keep tightly closed

Inactive ingredients

INACTIVE INGREDIENT SECTION

adipic acid, calcium carbonate, crospovidone, FD&C yellow no. 6, magnesium stearate, microcrystalline cellulose, polysorbate 80, silica.

Questions or comments?

OTC - QUESTIONS SECTION

1-866-467-2748

Principal Display Panel

PACKAGE LABEL.PRINCIPAL DISPLAY PANEL

*Compare to the active ingredient in Citrucel® Caplets

NDC 51316-122-00

Fiber Therapy

Methylcellulose

  • Gentle and clinically proven effective†
  • Gives you additional fiber to help relieve occasional constipation
  • Fiber for irregularity that won’t cause excess gas††

100 Fiber Caplets

TAMPER EVIDENT: DO NOT USE IF PRINTED INNER SEAL UNDER CAP IS TORN OR MISSING.

†When Used As Directed

††Based On Laboratory Testing.

Individual Results May Vary.

Distributed by:

*This product is not manufactured or distributed by GlaxoSmithKline, the owner of the registered trademark Citrucel® Caplets.

CVS Fiber Therapy Caplets 100 Caplets
CVS Fiber Therapy Caplets 100 Caplets

Products#

Every source-derived product name is available through these pages.

DailyMed product names page 1 of 1 · 11 matching rows.

NDC Codes#

Product NDC, Package NDC table
Product NDCPackage NDC
51316-12251316-122-00

Ingredients#

Every source-derived ingredient row is available through these pages.

DailyMed ingredient rows page 1 of 1 · 9 matching rows.

Name, UNII, Kind table
NameUNIIKind
METHYLCELLULOSE (4000 MPA.S)MRJ667KA5EACTIB
ADIPIC ACID76A0JE0FKJIACT
CALCIUM CARBONATEH0G9379FGKIACT
CROSPOVIDONE (120 .MU.M)68401960MKIACT
FD&C YELLOW NO. 6H77VEI93A8IACT
MAGNESIUM STEARATE70097M6I30IACT
MICROCRYSTALLINE CELLULOSEOP1R32D61UIACT
POLYSORBATE 806OZP39ZG8HIACT
SILICON DIOXIDEETJ7Z6XBU4IACT

Source Document#

Source XML

Older Hydrated Versions#

Version, Effective date, Source table
VersionEffective dateSourceHydrated
32025-12-08full-release2026-06-01 01:20:44

openFDA label cross-check#

OpenFDA label data provides additional search and identifier links. DailyMed’s Structured Product Label is the canonical label on FDA.report. Matching records are deduplicated before they are shown below.

Matched openFDA labels page 1 of 1 · 1 matching rows.

Brand, Generic, Manufacturer table
BrandGenericManufacturerSPL set IDEffective dateAvailable safety fieldsJoin
CVS Fiber TherapyMETHYLCELLULOSECVS PHARMACYe066f5bd-5f34-4e04-beec-3c7d6db493812026-08-13WarningsExact identifier
ndc (package): 51316-122-00
ndc (product): 51316-122
ndc11 (package): 51316012200
spl id: b8d11ce5-458b-4ae8-a375-87146e878790
spl set id: e066f5bd-5f34-4e04-beec-3c7d6db49381

Reported adverse events (FAERS/openFDA)#

Adverse event summaries are temporarily unavailable. Other product information remains available.