
KIRKLAND Signature Sugar-Free Psyllium Fiber Supplement
Powder, 360 DosesQ
Price as of 2026-06-03. Check Amazon for the current price.
Quick Decision
Is This Right For You?
- •Buyers who prioritize quality over price in Fiber Supplements
- •Those who want a top-rated option — in the top 4% of Fiber Supplements by rating
- •KIRKLAND loyalists — the brand spans 25 products in our database
- •You're on a tight budget — $21 above the category average of $22
- •MEMBER´S MARK Member's Mark Fiber Capsules 2Pack offers a better rating (4.8/5) at a similar or lower price ($27)
- •Benefiber Prebiotic GLP-1 Friendly Fiber Supplement Gummies — 59% cheaper at $18 (Score A-)
- •MEMBER´S MARK Member's Mark Fiber Capsules 2Pack — higher rated at 4.8/5 ($27)
📊 Based on data analysis of 55 products in this category.
Mubboo Score: C+
How we calculate the Mubboo Score
Quality (45%): customer rating, normalized to a 10-point scale
Popularity (35%): review volume vs the category leader, log-scaled
Value (20%): price position vs other Fiber Supplements
Computed from live Amazon rating, review count, and price across 55 Fiber Supplements · last refreshed 2026-06-03.
How It Compares
This Product KIRKLAND Signature Sugar-Free Psyllium Fiber Supplement | Most Popular Metamucil 4-in-1 Psyllium Husk GLP-1 Friendly Fiber Supplement | Best Rated MEMBER´S MARK Member's Mark Fiber Capsules 2Pack | Best Value Benefiber Prebiotic GLP-1 Friendly Fiber Supplement Gummies | |
|---|---|---|---|---|
| Price | $43.49 | $34.97 | $27.35 | $17.97 |
| Rating | 4.7/5 | 4.7/5 | 4.8/5 | 4.6/5 |
| Reviews | 480 | 34,778 | 756 | 4,636 |
| Mubboo Score | C+ | B+ | B | A- |
What People Say
Synthesized from 40 reviews · 100% verified purchases.
Drink immediately after mixing to avoid a thick gel-like texture, and ensure you drink plenty of water to help the fiber work effectively.
- Improved digestive regularity
- Convenient and easy to use
- Good value for money
- Lowers cholesterol
- Helps with appetite control
- Powder thickens quickly and must be drunk immediately
- Slightly unpleasant taste or aftertaste
- High number of capsules needed per dose
Key Features
- ✦Helps you feel less hungry between meals
- ✦Feel what lighter feels like
Source: product listing on Amazon.
About KIRKLAND
- 25 products in our database
- Average rating: 4.7/5 across all products
- Price range: $7.93 – $95.79
- Categories: collagen, Contact Lens Solution, disposable-diapers, Fiber Supplements, Golf Balls, Microfiber Cloths
Other Fiber Supplements




Bottom Line
KIRKLAND Signature Sugar-Free Psyllium Fiber Supplement earns Mubboo Score C+. Priced at $43 — a premium option, above the category average of $22. Rated 4.7/5 from 480+ reviews. Strong buy if: buyers who prioritize quality over price in fiber supplements, those who want a top-rated option. Skip if: you're on a tight budget — Metamucil 4-in-1 Psyllium Husk GLP-1 Friendly Fiber Supplement (Score B+, $35) may fit better.
Frequently Asked Questions
Is the KIRKLAND Signature Sugar-Free Psyllium Fiber Supplement worth buying in 2026?
It earns a Mubboo Score of C+, with a 4.7/5 rating from 480 reviews — better than 96% of Fiber Supplements we track.
How much does the KIRKLAND Signature Sugar-Free Psyllium Fiber Supplement cost?
It is currently $43.49 — premium-tier pricing for Fiber Supplements.
How does the Signature Sugar-Free Psyllium Fiber Supplement compare to other Fiber Supplements?
The category's most-reviewed alternative is the Metamucil 4-in-1 Psyllium Husk GLP-1 Friendly Fiber Supplement (4.7/5, 34,778 reviews, $34.97). The Signature Sugar-Free Psyllium Fiber Supplement carries a Mubboo Score of C+ vs B+.
Sources & References
Mubboo may earn a commission on purchases made through affiliate links. This does not affect our Mubboo Score, product rankings, or editorial judgments. Prices are accurate as of the last sync (2026-06-03) and may change.