K9 Advantix II XL Dog Vet-Recommended Flea
Tick & Mosquito Treatment & Prevention | Dogs Over 55 lbs. | 6-Mo Supply
Price as of 2026-06-20. Check Amazon for the current price.
Quick Decision
Is This Right For You?
- •Buyers who prioritize quality over price in flea and tick control
- •Those who want a top-rated option — in the top 19% of flea and tick control by rating
- •Risk-averse buyers — 48,787+ reviews give a highly reliable picture
- •Top 2% bestseller in flea and tick control — proven market demand
- •You're on a tight budget — $55 above the category average of $25
- •Advantus Dogs Fast Acting Oral Flea Treatment Soft Chewable — 58% cheaper at $34 (Score B)
📊 Based on data analysis of 177 products in this category.
Mubboo Score: B
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 XL Dog Vet-Recommended Flea | Most Popular Seresto Flea & Tick Collar | Best Rated Advantage II Large Dog Vet-Recommended Flea Treatment & | Best Value Advantus Dogs Fast Acting Oral Flea Treatment Soft Chewable | |
|---|---|---|---|---|
| Price | $79.99 | $59.92 | $66.97 | $33.78 |
| Rating | 4.5/5 | 4.5/5 | 4.5/5 | 4.1/5 |
| Reviews | 48,787 | 113,653 | 19,182 | 20,418 |
| Mubboo Score | B | B+ | B | B |
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.
- High effectiveness against fleas and ticks
- Fast-acting relief
- Ease of application
- Cost-effective value
- Long-lasting protection
- 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 XL Dog Vet-Recommended Flea earns Mubboo Score B. Priced at $80 — a premium option, above the category average of $25. Rated 4.5/5 from 48,787+ reviews. Strong buy if: buyers who prioritize quality over price in flea and tick control, those who want a top-rated option. Skip if: you're on a tight budget — Seresto Flea & Tick Collar (Score B+, $60) may fit better.
Frequently Asked Questions
Is the K9 Advantix II XL Dog Vet-Recommended Flea worth buying in 2026?
It earns a Mubboo Score of B, with a 4.5/5 rating from 48,787 reviews — better than 81% of flea and tick control we track.
How much does the K9 Advantix II XL Dog Vet-Recommended Flea cost?
It is currently $79.99 — premium-tier pricing for flea and tick control.
How does the II XL 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 XL 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.