Description
Major Fiber Therapy Powder – Methylcellulose 16 oz (12 Pack) | Compare to Citrucel®
This is the direct generic replacement for the original Citrucel® Powder with Sugar, which has been permanently discontinued by the manufacturer as of October 2025. It contains the exact same active ingredient (methylcellulose) for the same gentle, low-gas results.
To learn the full story about the Citrucel discontinuation and why this is the only direct substitute, you can read our complete guide here.
Stock up and save on gentle, gas-free fiber support with our best value case pack. This 12-pack of Major Fiber Therapy Powder (16 oz each) provides 100% soluble methylcellulose—the same active ingredient found in Citrucel®—to relieve occasional constipation and help maintain regularity without excess gas or grit.
- Same active ingredient as Citrucel® — Methylcellulose 2 g per dose
- 12 bottles — convenient long-term supply with free shipping
- 100% soluble fiber for predictable regularity
- No grit, no gas, orange-flavored
- Manufactured in the USA by Major Pharmaceuticals
What You’ll Receive
- Twelve (12) jars of Major Fiber Therapy Methylcellulose Powder — 16 oz each (Orange Flavor)
- Expiration Date: 6/2027 or later
- Factory sealed and shipped fast from our Las Vegas, NV warehouse
- Free shipping included on this 12-pack case
Need a smaller quantity?
- Single Bottle — great for trying it out
- 2 Pack — ideal for households
- 4 Pack — popular for caregivers or shared use
Compare to Citrucel® — Drug Facts
| Product | Active Ingredient | Inactive Ingredients |
|---|---|---|
| Citrucel® Sugar Free | Methylcellulose — 2 g | Aspartame, maltodextrin, potassium citrate, natural & artificial orange flavors, riboflavin, FD&C Yellow #6 |
| Citrucel® (Discontinued) | Methylcellulose — 2 g | Sucrose, citric acid, titanium dioxide, calcium phosphate, FD&C Yellow #6, potassium citrate, natural & artificial flavors |
| Major Fiber Therapy | Methylcellulose — 2 g | Citric acid, FD&C Yellow 6 Aluminum Lake, maltodextrin, flavor (natural & artificial), potassium citrate, silica, sucrose |
Is there a California warning?
Yes. Like many fiber powders, Major Fiber Therapy includes a Prop 65 warning due to its silica content. Silica is a naturally occurring compound used in small amounts as a flow agent to prevent clumping. Learn more at www.P65Warnings.ca.gov.
Need help mixing it?
Get easy, clump-free results with our step-by-step guide: How to Mix Citrucel.
Drug Facts (Per Bottle)
Active Ingredient
- Methylcellulose — 2 g (a non-allergenic fiber)
- Purpose: Bulk-forming fiber laxative
Uses
- Relieves constipation (irregularity)
- Helps restore and maintain regularity
- May be recommended for bowel disorders by a doctor
- Works in 12–72 hours
Warnings
- Choking Warning: Take with at least 8 oz of liquid. Without enough liquid, product may swell and cause choking.
- Do Not Use if you have difficulty swallowing.
- Ask a doctor before use if you have:
- Abdominal pain, nausea, or vomiting
- A sudden change in bowel habits lasting more than 2 weeks
- Stop use and ask a doctor if:
- You have rectal bleeding
- You fail to have a bowel movement after use
- Keep out of reach of children. In case of overdose, call a Poison Control Center at 1-800-222-1222.
Directions (Per Bottle)
- Mix one rounded tablespoon (19 g) in 8 oz of water, up to 3× daily
- Stir briskly and drink promptly
- Drink another glass of water afterward
- Children 6–12: Half the adult dose once daily
- Under 6: Ask a doctor
Other Information
- Each adult dose contains: 3 mg sodium, 105 mg potassium
- Contains approximately 60 calories per adult dose
- Store at room temperature
- Protect from moisture and keep tightly closed
Inactive Ingredients
- Citric acid, FD&C Yellow 6 Aluminum Lake, maltodextrin, flavor (natural & artificial), potassium citrate, silica, sucrose
Explore More Blog Guides
Generic Equivalent To: |
Citrucel |
Expiration Date: |
4-2026 |
