Fish Oil for Dogs

The Ultimate Guide to FIsh Oil for Dogs

Fish Oil for Dogs Dosage

Fish OIl for Dogs

When it comes to fish oil for dogs dosage, it's always easiest to start with a liquid fish oil supplement. This makes dosage easy and straightforward. The dosage charts below can also apply to treats and chews, but liquid offers the most bio-available omega-3 fatty acids in high quality amounts. Your veterinarian can also be consulted regarding the best dosage of fish oil for your dog.

Dosage Charts

EPA Omega-3 Dosage

Dog's Weight Daily Amount of EPA
Under 50 lbs 700 - 1,500 mg*
Over 50 lbs 1,500 to 2,500 mg*

DHA Omega-3 Dosage

Dog's Weight Daily Amount of DHA
Under 50 lbs 400 - 900 mg*
Over 50 lbs 900 to 1,400 mg*

Celavin™ Dosage for Dogs Table
Learn more about Celavin

We recommend Celavin as the best fish oil supplement for dogs, learn why below.

Dog's Weight Daily Amount of Celavin™ Fish Oil
Under 50 lbs 1 to 2 tsp*
Over 50 lbs 2 to 4 tsp*

*Higher dosage should be given to dogs with symptoms of allergies, arthritis or other joint and tissue concerns.

How Soon Does It Take To See Results?

It's important to dose fish oil every day in order to saturate the body cells with Omega-3. Allow 8 weeks to start noticing a real improvement in skin, coat, joints, and allergies.


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Am Vet Med Assoc. 2010 Jan 1;236(1):67-73. Evaluation of the effects of dietary supplementation with fish oil omega-3 fatty acids on weight bearing in dogs with osteoarthritis. Roush JK, Cross AR, Renberg WC, Dodd CE, Sixby KA, Fritsch DA, Allen TA, Jewell DE, Richardson DC, Leventhal PS, Hahn KA.

Res. 2008 Apr;69(4):486-93. Effects of dietary supplementation with fish oil on in vivo production of inflammatory mediators in clinically normal dogs. LeBlanc CJ, Horohov DW, Bauer JE, Hosgood G, Mauldin GE.

Anim Physiol Anim Nutr (Berl). 2005 Apr-Jun;89(3-6):203-7. Essential fatty acids supplementation in different-stage atopic dogs fed on a controlled diet. Abba C, Mussa PP, Vercelli A, Raviri G.

J Nutr. 1998 Dec;128(12 Suppl):2783S-2789S. Diet and skin disease in dogs and cats. Watson TD. Omega-3 fatty acids in cardiovascular disease. Freeman LM. J Small Anim Pract. 2010 Sep;51(9):462-70. doi: 10.1111/j.1748-5827.2010.00968.x.

Epub 2010 Jul 29. Review. Marine omega-3 fatty acids and coronary heart disease. Calder PC, Yaqoob P. Curr Opin Cardiol. 2012 Jul;27(4):412-9. doi: 10.1097/HCO.0b013e328353febd. Review.

Effect of omega-3 polyunsaturated fatty acids and body condition on serum concentrations of adipokines in healthy dogs.
Mazaki-Tovi M, Abood SK, Schenck PA.
Am J Vet Res. 2012 Aug;73(8):1273-81.

Therapeutic use of fish oils in companion animals.
Bauer JE.
J Am Vet Med Assoc. 2011 Dec 1;239(11):1441-51. Review

Signs of Fatty Acid Deficiency in Dogs

Fur loss, dull coat, hot spots and more. What causes fatty acid deficiency and how to recognize FAD in your dog.

Benefits of Fish Oil for Dogs

A detailed look at the brain and body benefits of fish oil for dogs.

Flaxseed Oil vs. Fish Oil

A comparison of nutrients and benefits from flaxseed oil versus fish oil.

Fish Oil Dosage for Dogs

How much dosage and how often you should give fish oil to your dog.

Research & References

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Reader Comments:

I couldn't find fish oil dosage anywhere! Thanks for the details. Going to give Celavin a try.

Good information about dosage for fish oil but do I have to give less fish oil if I'm supplementing a joint supplement too? or are they ok to work together?