FDA.reportPublic FDA data

DRx Choice Fiber Therapy Methylcellulose 500 mg 100 Caplets

Manufacturer
RARITAN PHARMACEUTICALS INC
Effective date
2026-09-08
Label type
HUMAN OTC DRUG LABEL
Version
5
Source
daily-update
Hydrated at
2026-09-11 03:01:31

Label at a glance#

ProductDRx Choice 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 imme...

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 12 years of age and over start with 2 caplets. Increase as needed up to 6 times per day. Do not exceed 12 caplets per day Children 6-11 years of age Start with 1 caplet. Increase as needed...

Label contents#

Full prescribing information#

Active ingredient (in each caplet)

OTC - ACTIVE INGREDIENT SECTION

Methylcellulose (a non-allergenic fiber) 500mg

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

  • a sudden change in bowel habits that persists over a period of two weeks
  • abdominal pain, nausea or vomiting
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 12 years of age and over

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

Do not exceed 12 caplets per day

Children 6-11 years of age

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

Do not exceed 6 caplets per day

children under 6 years of age

Consult a physician

Consult a physician

Other information

SPL UNCLASSIFIED SECTION

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

Inactive ingredients

INACTIVE INGREDIENT SECTION

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

Do not use if printed seal under cap is torn or missing.

Questions or comments?

OTC - QUESTIONS SECTION

1-866-467-2748

Principal Display Panel

PACKAGE LABEL.PRINCIPAL DISPLAY PANEL

DRx Choice®

NDC 68163-122-00

Compare to the active Ingredients in Citrucel® Caplets *

Methylcellulose

Fiber Therapy

  1. Gentle and clinically proven effective†
  2. Gives you additional fiber to help relieves occasional constipation.
  3. Fiber for irregularity that won’t cause excess gas††
  4. 100 Fiber Caplets

Manufactured by:

Raritan Pharmaceuticals

8 Joanna Court,

East Brunswick, NJ 08816

†When Used as Directed

††Based On Laboratory Testing. Individual Results May Vary.

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

DRx Choice fiber therapy methylcellulose 100 Caplets
DRx Choice fiber therapy methylcellulose 100 Caplets

Product Linked Resources#

Resource, Code type, Value table
ResourceCode typeValueEquivalent identifiersSource image
BarcodeEAN-130368163122107GTIN-13: 0368163122107
EAN-13: 0368163122107
GTIN-12: 368163122107
UPC-A: 368163122107
GTIN storage (14 digits): 00368163122107		122100PVLR_OL.jpg

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
68163-12268163-122-00

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
42025-09-26full-release2026-06-01 01:14:57

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
DRx Choice Fiber TherapyMETHYLCELLULOSERARITAN PHARMACEUTICALS INC5e5749f7-074e-4bbc-9f33-5090e603fdb42026-09-08WarningsExact identifier
ndc (package): 68163-122-00
ndc (product): 68163-122
ndc11 (package): 68163012200
spl id: 72ddac8a-c9e3-4928-8e5c-832f8b905bcd
spl set id: 5e5749f7-074e-4bbc-9f33-5090e603fdb4

Reported adverse events (FAERS/openFDA)#

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