How much fish oil should I give my dog? Get Your Pet Thinking

How much Omega 3s does my dog need daily?

The recommended dose of fish oil is 75-100 mg/ kg total EPA/DHA. CARE typically recommends about 100 mg/kg.

Your dog’s maximum daily dose is 310(kg)¾

Please note that there is an upper limit on how much Omega 3 is good. Overdosing with Omega 3s can lead to: vomiting and diarrhea, altered platelet function (and therefore the potential for reduced blood clotting), delayed wound healing, weight gain, altered immune function, and more. It is important that your veterinarian knows that your pet is taking Omega 3 supplements and that you do not give more than the recommended amount.

To figure out your dog’s body weight in kilograms (kg), divide their weight in pounds by 2.2. For example, 50 lbs = 22.7 kg. A 50-lb dog would need about 2,000 mg (2 grams) of fish oil per day. The maximum dose for a 50-lb dog would be 3,200 mg/ day.

Don’t like having to make calculations? Here are charts to determine your dog’s recommended daily dose.

There are many different types (type of fish, etc.), formulations (pump dispensers, capsules, etc.), and qualities of fish oil available. Some independent companies offer quality control for human products, but many products are not tested. Quality products will display amounts of EPA and DHA on the label. A convenient way of providing fish oil is to purchase a high-quality joint diet. Other ingredients included with certain fish oil formulations may be harmful for pets. Some non-veterinary formulated supplements may not be appropriate for your pet, and can even be harmful!

We advise seeking out a product that evaluates for purity and freshness via third-party testing. Companies that perform this testing will be able to provide a certificate of analysis of the product upon request. We cannot provide specific recommendations for your animal without evaluating them, because while fish oil is generally benign and safe, certain side effects beyond weight gain and vomiting/diarrhea are possible. If your animal has health issues other than osteoarthritis, or if you have any other questions or concerns, contact your primary care veterinarian.

Omega 3 Dosing (for dogs under 50 lbs)

Body weight (lbs) Body weight (Kg) Recommended Daily Dose (100 mg/kg) Maximum Daily Dose
5 2.3 230 mg 574 mg
10 4.5 450 mg 965 mg
15 6.8 680 mg 1308 mg
20 9.1 910 mg 1623 mg
25 11.4 1140 mg 1919 mg
30 13.6 1360 mg 2200 mg
35 15.9 1590 mg 2469 mg
40 18.2 1820 mg 2730 mg
45 20.5 2050 mg 2982 mg
50 22.7 2270 mg 3227
Bodyweight (lbs) Bodyweight (Kg) Recommended Daily Dose (100 mg/kg) Maximum Daily Dose
50 lbs 22.7 2270 mg 3227 mg
55 25 2500 mg 3466 mg
60 27.3 2730 mg 3700 mg
65 29.5 2950 mg 3924 mg
70 31.8 3180 mg 4153 mg
75 34.1 3410 mg 4374 mg
80 36.4 3640 mg 4590 mg
85 38.6 3860 mg 4804 mg
90 41 4100 mg 5014 mg
95 43.2 4320 mg 5222 mg
100 45.5 4550 mg 5427 mg
Bodyweight (lbs) Bodyweight (Kg) Recommended Daily Dose (100 mg/kg) Maximum Daily Dose
100 lbs 45.5 4550 mg 5427 mg
105 47.7 4770 mg 5629 mg
110 50 5000 mg 5829 mg
115 52.3 5230 mg 6027 mg
120 54.5 5450 mg 6222 mg
125 56.8 5680 mg 6415 mg
130 59.1 5910 mg 6607 mg
135 61.3 6130 mg 6797 mg
140 63.6 6360 mg 6985 mg
145 65.9 6590 mg 7171 mg
150 68.2 6820 mg 7356 mg

EPA and DHA can be found naturally in salmon, sardines, and anchovies, and your dog will probably find this to be a tasty treat!

In a 6 oz serving, this is how much Omega 3s your dog would get from each source:

  • Anchovies, 3400 mg of EPA/DHA
  • Sardines, 2800 mg of EPA/DHA (about 100 mg per small sardine)
  • Salmon, between 2200- 3800 mg of EPA/DHA
    • NOTE: CARE does not recommend using salmon or salmon oil as a daily source of Omega 3s in dogs as it is not the most environmentally sustainable source.
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