Kirkland Signature Omega-3 Fish Oil is your requisite omega-3 (polyunsaturated fatty acid or PUFA) fish oil soft gel capsule brand designed to help with your brain and cardiovascular health as well as various other bodily functions.

Kirkland Signature Omega-3 Fish Oil Ingredients

Kirkland Signature Omega-3 Fish Oil offers the following ingredients for its soft gel supplement capsules:

  • 684 milligrams of omega-3 EPA (eicosapentaenoic acid)
  • 1,200 milligrams of fish oil
  • 10 milligrams of cholesterol
  • 1 gram total fat
  • 15 grams of calories
  • Gelatin
  • Glycerin
  • Purified water
  • Vitamin E
  • EPA
  • DHA


You can take the enteric-coated, 1,200 milligram Kirkland Signature Omega-3 Fish Oil capsule once every day after meals. If you want to up your dosage, you should consult with your doctor first, especially if it exceeds the 3,000 milligrams of dietary and supplemental dose recommended by the American Heart Association.

Possible Side Effects

Seizure is the foremost side effect of having too much omega-3. Allergic reactions such as redness, swelling, itchiness, trouble breathing, and so forth can also happen in case you’re allergic to fish since this is a fish oil supplement capsule. Pregnant or lactating individuals should consult their doctor before taking the pill.

Will This Product Produce Long-Term Results?

This supplement is designed to deliver long-term results when it comes to normal growth development, heart disease risk mitigation, and improvement of cardiovascular and/or brain function.


The list price for Kirkland Signature Omega-3 Fish Oil is $16.99, which is already quite affordable in and of itself. However, you can get a $3 and buy it for $13.99 at the Costco website, shipping and handling costs included, to be delivered to you within three to five business days.

Kirkland Signature Omega-3 Fish Oil Guarantee

If you want to get an immediate refund, simply return the purchase at any Costco warehouse in the world. You can also email customer service or call them at 1-800-955-2292 for assistance in getting your guarantee sorted out. Don’t forget to give the agent your order number for reference.

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