K9 Advantix II Large Dog Vet-Recommended Flea
K9 Advantix

K9 Advantix II Large Dog Vet-Recommended Flea

Tick & Mosquito Treatment & Prevention | Dogs 21 - 55 lbs. | 4-Mo Supply

🏆 Top 5% Bestseller in flea and tick control
$57.42$57.4904.4(44,194 reviews)
Mubboo Score B
Buy on Amazon $57.42

Price as of 2026-06-20. Check Amazon for the current price.

Quick Decision

Mubboo Score
B
Best For
Buyers who prioritize quality over price in flea and tick control
Skip If
You're on a tight budget
Reviews
44,194+ · highly reliable

Is This Right For You?

✅ Great for
  • Buyers who prioritize quality over price in flea and tick control
  • Risk-averse buyers — 44,194+ reviews give a highly reliable picture
  • Top 5% bestseller in flea and tick control — proven market demand
⚠️ Think twice if
  • You're on a tight budget — $33 above the category average of $25
💡 Consider instead
  • flea away All Natural Supplement — 60% cheaper at $23 (Score B)
  • Seresto Flea & Tick Collar — higher rated at 4.5/5 ($60)

📊 Based on data analysis of 177 products in this category.

Mubboo Score: B

Quality8.8/10
based on 4.4/5 customer rating
Popularity9.2/10
44,194 reviews, top 5% in flea and tick control
Value0.6/10
priced below 6% of flea and tick control
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 flea and tick control

Computed from live Amazon rating, review count, and price across 177 flea and tick control · last refreshed 2026-06-20.

How It Compares

This Product
K9 Advantix II Large Dog Vet-Recommended Flea
Most Popular
Seresto Flea & Tick Collar
Best Rated
K9 Advantix II XL Dog Vet-Recommended Flea
Best Value
flea away All Natural Supplement
Price$57.42$59.92$79.99$22.99
Rating4.4/54.5/54.5/53.9/5
Reviews44,194113,65348,78714,033
Mubboo ScoreBB+BB

What People Say

Synthesized from 40 reviews · 100% verified purchases.

Combine spot-on or oral treatments with thorough home and yard treatment to break the flea life cycle. Monitor for adverse reactions, and note that collars may need replacing sooner than advertised.

Praised for
  • High effectiveness against fleas and ticks
  • Fast-acting relief
  • Ease of application
  • Cost-effective value
  • Long-lasting protection
Common complaints
  • Shorter than advertised duration
  • Ineffectiveness for some pets
  • Adverse reactions
  • Packaging malfunctions

Related Video Reviews

About K9 Advantix

  • 8 products in our database
  • Average rating: 4.4/5 across all products
  • Price range: $14.98$79.99
  • Categories: flea-and-tick-control

Other flea and tick control

Bottom Line

K9 Advantix II Large Dog Vet-Recommended Flea earns Mubboo Score B. Priced at $57 — a premium option, above the category average of $25. Rated 4.4/5 from 44,194+ reviews. Strong buy if: buyers who prioritize quality over price in flea and tick control, risk-averse buyers. Skip if: you're on a tight budget — Seresto Flea & Tick Collar (Score B+, $60) may fit better.

Buy on Amazon $57.42Last verified: 2026-06-20

Frequently Asked Questions

Is the K9 Advantix II Large Dog Vet-Recommended Flea worth buying in 2026?

It earns a Mubboo Score of B, with a 4.4/5 rating from 44,194 reviews — better than 74% of flea and tick control we track.

How much does the K9 Advantix II Large Dog Vet-Recommended Flea cost?

It is currently $57.42 — premium-tier pricing for flea and tick control.

How does the II Large Dog Vet-Recommended Flea compare to other flea and tick control?

The category's most-reviewed alternative is the Seresto Flea & Tick Collar (4.5/5, 113,653 reviews, $59.92). The II Large Dog Vet-Recommended Flea carries a Mubboo Score of B 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 (2026-06-20) and may change.