KIRKLAND

KIRKLAND

Brand Score A

15 products · 10 categories · Avg 4.67★ · 34,155 reviews

Price range $8$58

Last analyzed: June 20, 2026

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Quick Take on KIRKLAND

Score: A
✅ Why buy KIRKLAND
  • Only 0% of products fall below 4 stars — rare misses across the lineup
  • 34K buyer reviews across the lineup — a well-established track record
  • Active in 10 categories — a broad lineup if you want to stay with one brand
⚠️ Keep in mind
  • Expect to pay around $6 above the category norm — KIRKLAND sits at the premium end
💡 Our top pick from KIRKLAND
Signature 13 Gallon 200 Ct Carton 100% recyclable

KIRKLAND Signature 13 Gallon 200 Ct Carton 100% recyclable

4.8 (4,261 reviews) · Score A+

4.8★ with 4.3K reviews — top-rated in Trash Bags

Full Analysis →

Brand Score: A

A in Fiber Supplements — KIRKLAND's 15 products average 4.67★ across 10 categories, with Fiber Supplements as the strongest line (4.65★ avg).

Quality100/100
Presence68/100
Value84/100
Depth100/100

KIRKLAND earns a Brand Score of A on Mubboo, based on analysis of 15 products across 10 categories. Quality consistency (100/100) is the brand's strongest dimension, with 100% of products rated 4 stars or above. Market presence (68/100) is the area with the most room for improvement. KIRKLAND's primary strength is in Fiber Supplements, where it averages 4.65★.

How we calculate Brand Score

Quality Consistency (40%): percentage of products rated 4+ stars

Market Presence (25%): total review volume, log-scaled

Value Positioning (20%): average price vs category average

Category Depth (15%): number of active product categories

Based on 15 KIRKLAND products · last analyzed June 20, 2026.

How KIRKLAND Compares

This Brand

KIRKLAND

A

Avg Rating: 4.67

Reviews: 34,155

Avg Price: $28

100% rated 4+★

Most Popular

Metamucil

B+

Avg Rating: 4.63

Reviews: 99,619

Avg Price: $27

100% rated 4+★

View brand →
Highest Rated

Benefiber

A-

Avg Rating: 4.62

Reviews: 54,834

Avg Price: $17

100% rated 4+★

View brand →
Best Value

NOW Foods

A-

Avg Rating: 4.58

Reviews: 86,849

Avg Price: $17

100% rated 4+★

View brand →

Our Top 3 from KIRKLAND

🏆 Best Overall
Signature 13 Gallon 200 Ct Carton 100% recyclable

KIRKLAND Signature 13 Gallon 200 Ct Carton 100% recyclable

4.8 (4,261 reviews) · Score A+

4.8★ with 4.3K reviews — top-rated in Trash Bags

Full Analysis →
💰 Best Value
SIGNATURE Sleep Aid Doxylamine Succinate 25 Mg X

KIRKLAND SIGNATURE Sleep Aid Doxylamine Succinate 25 Mg X

4.5 (6,187 reviews) · Score A+

4.5★ with 6.2K reviews — top-rated in Sleep Aids

Full Analysis →
🔥 Most Popular
Signature OPTIFIBER

KIRKLAND Signature OPTIFIBER

4.6 (6,601 reviews) · Score A+

4.6★ with 6.6K reviews — top-rated in Fiber Supplements

Full Analysis →

Where KIRKLAND Is Strongest

Fiber Supplements
4.65★ avg
4 products
Sleep Aids
4.5★ avg
1 product
Trash Bags
4.8★ avg
2 products
Contact Lens Solution
4.7★ avg
1 product
Microfiber Cloths
4.7★ avg
1 product
disposable diapers
4.6★ avg
1 product

Fiber Supplements

View all →
Signature OPTIFIBER
Signature OPTIFIBER
$29
Buy on Amazon
Fiber Capsules Kirkland Therapy
Fiber Capsules Kirkland Therapy
$17
Buy on Amazon
Signature Kirkland Fiber Capsules
Signature Kirkland Fiber Capsules
$28
Buy on Amazon
Signature Sugar-Free Psyllium Fiber Supplement
Signature Sugar-Free Psyllium Fiber Supplement
$43
Buy on Amazon

Sleep Aids

View all →
SIGNATURE Sleep Aid Doxylamine Succinate 25 Mg X
SIGNATURE Sleep Aid Doxylamine Succinate 25 Mg X
$8
Buy on Amazon

What You'll Spend on KIRKLAND

Most KIRKLAND products fall between $8 and $58.

Fiber Supplements: KIRKLAND averages $29, the category average is $22about $7 more
Sleep Aids: KIRKLAND averages $8, the category average is $21about $13 less
Trash Bags: KIRKLAND averages $28, the category average is $17about $11 more

KIRKLAND is a premium brand — expect to pay more, but quality consistency (100% rated 4+★) suggests the premium is justified for most product lines.

What People Say About KIRKLAND

Aggregated from review themes across 14 KIRKLAND products.

Buyers frequently highlight
  • Improved digestive regularity
  • Convenient and easy to use
  • Good value for money
  • Effective sleep enhancement
Common concerns
  • Powder thickens quickly and must be drunk immediately
  • Slightly unpleasant taste or aftertaste
  • High number of capsules needed per dose

Expert Coverage

5 KIRKLAND products have coverage from independent expert publications: Cnet, Wirecutter. Source links in References.

Where to Buy KIRKLAND

KIRKLAND products are available on Amazon — 15 products across 10 categories.

Browse KIRKLAND on Amazon →

Brand Bottom Line

Brand Score
A
Best Product
Signature 13 Gallon 200 Ct Carton 100% recyclable ($29) Buy on Amazon →
Price Level
Premium — avg $6 above category
Quality
100% of products rated 4+★
Best For
Buyers who prioritize consistency over price
Alternatives
Metamucil (Score B+) · Benefiber (Score A-)

KIRKLAND is a safe bet if you value consistency over bargain pricing. Start with the Signature 13 Gallon 200 Ct Carton 100% recyclable.

Frequently Asked Questions

Is KIRKLAND a good brand?

KIRKLAND earns a Brand Score of A on Mubboo. 100% of its 15 products are rated 4 stars or above, which puts it among the most consistent brands in Fiber Supplements. The main consideration is pricing — KIRKLAND products average $30, $6 above the category average.

What is the best KIRKLAND product to buy?

Based on 4.3K reviews and a Mubboo Score of A+, the Signature 13 Gallon 200 Ct Carton 100% recyclable ($29) is KIRKLAND's top pick. For a budget option, the SIGNATURE Sleep Aid Doxylamine Succinate 25 Mg X ($8) delivers 4.5★ at 73% of the cost.

Is KIRKLAND worth the premium price?

KIRKLAND averages $6 more than the typical Fiber Supplements product. Whether that's worth it depends on what you prioritize: the brand delivers consistent quality (100% rated 4+★), which reduces the risk of buyer's remorse.

KIRKLAND vs Metamucil: which is better?

KIRKLAND scores A vs Metamucil's B+. KIRKLAND edges ahead on average rating (4.67★ vs 4.63★), while Metamucil has more total reviews (100K vs 34K).

Sources & References

Product data15 KIRKLAND products tracked via Amazon/Keepa · last refreshed June 20, 2026.
Pricing514,606 price snapshots across the catalog · includes Amazon + official store where available.
Community sentimentAmazon verified reviews, aggregated from 14 products.
Expert reviews5 products carry coverage from Wirecutter, RTINGS, CNET where available.
Methodology — Mubboo Brand Score v1.0: Quality (40%) · Presence (25%) · Value (20%) · Depth (15%).
Last analyzed: June 20, 2026 · updated automatically every 24 hours via ISR.

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