Nutramax
Welactin Canine Omega-3 Liquid

$22–$58
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Best for
Daily omega-3 supplementation alongside a joint chew
Omega-3 is the second supplement we recommend alongside a glucosamine chew. EPA/DHA reduces inflammatory markers across multiple canine studies. Welactin is the formulation we trust because it's manufactured by Nutramax — the same lab as Cosequin.
What works
- Pump bottle delivers consistent dose pumped over food
- Cold-water fish source, third-party tested for heavy metals
- Higher EPA/DHA per dollar than capsules
- Useful for joint, skin, coat, and cardiac support
What doesn't
- Smells fishy — store in fridge after opening
- Liquid form means less travel-friendly than capsules
- Must refrigerate within 30 days of opening
Specifications
- Materials
- Wild-caught cold-water fish oil — EPA 200 mg, DHA 130 mg per pump
- Sizes
- 8 oz · 16 oz
- Warranty
- Manufacturer satisfaction guarantee
- Made in
- USA
Where we recommend it
The articles this product earns a place in, and the context it earns it for.
- Arthritis in Dogs: Signs, Treatment, and What Actually Helps at Home
How to spot arthritis in dogs early, what veterinary treatment looks like, and the weight, exercise, and home changes that actually reduce pain.
- Cheaper Alternatives to Cosequin and Dasuquin That Aren't Junk
There is no true generic Cosequin — but good Cosequin alternatives exist. How to match the actives, price them per gram, spot underdosed blends, and when the smarter budget move is fish oil.
- Joint Supplement Doses by Dog Weight: 5 lb Chihuahuas to 120 lb Danes
Joint supplement dosage for dogs by weight, in one reference table: label loading and maintenance doses for Cosequin, Dasuquin, and Zesty Paws, from 5 lb toys to 120 lb giants.
- Arthritis in Labradors: The Weight Connection Nobody Wants to Hear About
Labrador arthritis runs on three rails: joint genetics, a famous appetite, and extra pounds. Why keeping your Lab lean beats any supplement, and how to exercise and equip a stiff Lab.
- The Best Joint Supplements for Dogs (2026)
After six months trialing chews, tablets, and liquids in our test home and reviewing the canine clinical literature, these are the joint supplements we actually recommend.