Optimum Nutrition Fish Oil Review

Fish oils are known to have many powerful benefits in human health. That is because of its long-chain fatty acids called omega-3 fatty acids, more specifically the docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA). 

DHA and EPA Omega-3 fatty acids support many human body functions, including the brain, heart, joints, bones, and numerous metabolic functions. In addition, fish oil also helps increase good cholesterol or High-density lipoprotein (HDL) and is a good anti-inflammatory.

The only way to get DHA and EPA is through food as the human body cannot produce it on its own. That is why the American Heart Association recommends consuming at least 2 servings of fish (particularly fatty fish) per week. A serving is 3.5 ounces cooked or about ¾ cup of flaked fish. 

Fishes like mackerel, tuna, lake trout, herring, salmon contain a high amount of these essential fats. However, not everyone can consume the recommended amount daily. Luckily, fish oil supplements are widely available and can be a great substitute for those who cannot obtain enough. 

Optimum Nutrition — one of the most talked-about brands when it comes to nutritional products and supplements manufactures fish oil soft gels. Unlike other fish oils, this has a special coating that eliminates the fishy aftertaste. 

Interested to know more? Keep reading as we provide you with an in-depth review of Optimum Nutrition fish oil soft gels. In this article, we’ll talk about its pros, cons, features to help you decide if this is for you. 

We’ve also collected some reviews from various online platforms and shared some things to consider when buying one. 

So let’s begin! 

TLDR: Optimum Nutrition Fish Oil Softgels Overview

Product Description

Optimum Nutrition Fish Oil is a dietary supplement that contains long-chain fatty, DHA, and EPA. Each soft gel contains 300 milligrams of DHA and EPA. 

The biggest concern most consumers have when taking Omega 3 supplements is the unpleasant fishy burps afterward, but what’s great about this is it has an enteric coating that minimizes the fishy aftertaste. 

Optimum Nutrition Fish Oil came from Anchovy, Mackerel, and Sardine. These types of fish contain high amounts of omega-3. In addition, these fish have lower amounts of contaminants or toxins than the larger ones.

Key Features 

  • Enteric-coated that decreases fishy aftertaste 
  • Supports cardiovascular health, joint, and brain
  • Contains 300 Milligrams OMEGA-3 Fatty Acids EPA & DHA
  • For active adults, adding a high-quality source of omega-3 to your exercise program helps reduce muscle soreness. It also aids in recovery after an exercise. 
  • In addition to a healthy and balanced diet, this Omega-3 fatty acid supports numerous metabolic functions. It helps increase good cholesterol and fights off inflammation.


  • Easy to swallow
  • Without the fishy aftertaste 
  • Manufactured by one of the most trusted brands when it comes to providing the highest quality with exceptional purity of nutritional supplements for over 30 years. 
  • New look, same trusted quality
  • Convenient option to get essential fatty acids in our diet
  • Available in 100 and 200 soft gel bottles
  • With reasonable price 


  • Not vegan friendly
  • Like other dietary supplements, this has not been evaluated by food and drug administration 
  • Others wish the soft gel would be better if it’s smaller in size
  • The optimal dosage recommended is to consume about 3 soft gels a day, this can be too much for some. 

Interested? Here’s the link to purchase!  

In-Depth Review: Optimum Nutrition Fish Oils


Optimum Nutrition Fish Oil is available in soft gels of 100 and 200 pieces per bottle. 

It is enteric-coated that protects the soft gel from being dissolved by stomach acid until it reaches the small intestine, where it is absorbed for the body to use, this helps prevent the fishy aftertaste that other brands have when consumed. 

Each soft gel contains 300 milligrams of EPA/DHA Omega-3 Fatty Acids.

Nutrition Facts 

One soft gel of Optimum Nutrition Fish Oil contains the following:

Calories: 10 calories

Total Fat: 

Polyunsaturated Fat: 1 gram

Monounsaturated Fat: 0 gram

Fish Oil (300 mg EPA/DHA Omega Fatty Acids): 1 gram


Aside from the main sources of Optimum Nutrition Fish Oil, anchovy, mackerel, and sardines. It has Gelatin, Glycerin, Water, Ethylcellulose, Sodium Alginate, Medium Chain Triglycerides, Ammonium, Hydroxide, Oleic Acid, Vanillin, and Stearic Acid.

How to use 

Take one Optimum Nutrition Fish Oil with a meal. For optimal dosage, you can take up to three times daily. Best to take it with a meal that contains fat as other dietary fats can help increase the absorption of Omega 3 fatty acids in the body.

Store it in a cool, dry place, away from direct sunlight as they are prone to oxidation, which might cause them to go rancid.

Benefits of Taking Fish Oil Supplements

1. Support heart health by decreasing the risk of cardiovascular diseases  

According to the World Health Organization, heart disease still remains the leading cause of death around the world. 

Different studies show that people who consume a lot of fish have lower chances of heart disease. Because of this, the American Heart Association recommends consuming fatty fish at least twice per week. 

Along with regular exercise and proper diet, taking fish oil can help lower triglyceride levels, improve good cholesterol, decrease blood pressure and prevent plaque build-up on arteries. Hence, reducing the risk of cardiovascular diseases. However, more studies and evidence are being conducted to support this further. 

2. Has good anti-inflammatory properties

Consuming fish oil can help reduce joint inflammation and pain for those suffering from rheumatoid arthritis as well as prevent stiffness. This helps support joint comfort and mobility.

3. Supports brain and mental health 

Fishes are a good source of Omega 3 fatty acids (primarily DHA) which is a major building block of the brain cells, this is essential for nerve cell structure, communication, and function. 

It plays a role in improving memory and protecting the brain against age-related cognitive decline. Omega 3 may also help prevent several conditions such as depression, anxiety, ADHD, bipolar disorder, Alzheimer’s disease, dementia, etc. 

4. May help maintain healthy skin

Omega 3 is said to improve the skin barrier and prevent water loss. This increases skin hydration which is why it can help soften dry, and rough skin. It also has some soothing effects on dry, itchy, and irritated skin. Beneficial for skin conditions such as psoriasis dermatitis.

Lastly, it can help minimize premature signs of aging caused by too much sun exposure.  

Possible Side Effects 

If consumed in excessive amounts, Omega 3 supplements can cause the blood to thin out, this might result in more bleeding especially when wounded. 

Just like other dietary supplements, it is best to consult your doctor first before taking this supplement especially when you are consuming other medications as it can interfere with other drugs (like Warfarin – blood-thinning drug/ anticoagulant). 

In addition, taking fish oil should be paused for a while for at least a week prior to surgery to help prevent excessive bleeding. 

Other side effects include nausea, diarrhea, heartburn, and nosebleeds. If you experience any of these, speak to your doctor immediately. 

Lastly, if you’re suffering from an allergy or are intolerant to fish, always ask your healthcare provider’s advice first as it might pose a risk and might cause an allergic reaction. 

What Do People Say About It?


Optimum Nutrition Fish Oil has garnered many positive reviews on Amazon. One of the users wrote “No fish burps, no upset tummy!” Further, he says, “I love optimum nutrition largely because of their supplement transparency. This fish oil is the best on the market. The capsule is actually pleasant, a little sweet vanilla aroma which is so weird being fish oil. It doesn’t give you burps or gas. I’ve tried so many others, the kind you can get at CVS, etc and they don’t compare. Whatever vitamins and supplements you can get from ON, I highly recommend you do so.”

Another review made by a verified purchaser where he mentioned: “I’ve been taking fish oil for about one year, and I can notice how my overall health and mood have improved. I’ve been taking fish oil as a supplement for psychiatric treatment, and it has been very effective for me in that matter. The pills are easy to swallow and effective. I would recommend the product.” 


In Dane Dillon’s youtube channel, he posted a quick review on Optimum Nutrition fish oil where he has been taking it for a couple of months already.

“I find that after I take them, as long as I have a drink with it, I don’t have any fishy burps as I had with some other fish oils, so I definitely recommend it. Other than that, I haven’t had any joint issues or anything..”

In the end, he recommends it to those who are into heavy lifting or into any sort of physical activity, or just for joint health in general.  


On the famous online forum Reddit, one user is asking about some recommendations of fish oil to take. One shared: “Can’t beat optimum nutrition fish oil. Enteric-coated so no fishy taste and pretty cheap”

While another posted: “Hey guys. I’m looking for a fish oil recommendation! There are so many options I don’t know where to start. Was going to take it with my protein shake.”

One commented: “Optimum Nutrition is pretty good”

This just shows how Optimum Nutrition has set a good reputation for various supplements that have been trusted by a lot of people. 

Buying Guide: What to Look For When Choosing a Fish Oil 

1. Manufactured by a reputable brand

When it comes to choosing a fish oil supplement, always ensure that it comes from a reliable source, choose a supplement that is third-party tested or has a seal of purity.

What’s great about Optimum Nutrition, millions of consumers in over 100 countries relied on them and are one of the world’s leading brands when it comes to nutrition supplements. Each product undergoes a meticulous process to ensure its purity, potency, and composition. This enables them to produce high-quality products. Definitely, a brand that you can trust!

2. Must be sourced from high-quality fish

To obtain a good quality Omega 3, make sure that they are sourced from high-quality fishes and adhere to FDA’s Good Manufacturing Practices guidelines. Anchovy, Sardines, Mackerel, Salmon are some fishes that are good sources of omega 3. 

3. No Fishy aftertaste 

The unpleasant fishy burps, fishy breath, or smell is one thing that most people dislike and would not want to experience after taking a fish oil supplement. The good thing is, thanks to its enteric coating, the optimum nutrition fish oil allows you to get all of the benefits of omega-3 fatty acids without encountering the unwanted fishy aftertaste.

Convinced on taking Optimum Nutrition Fish oil? Get them here today! 

The Verdict: Should You Buy it?

Optimum Nutrition Fish Oil is rich in Omega-3 fatty acids, which are essential to many body functions. It supports metabolic function, joint flexibility, heart health, and cellular function. So, if you want to up your healthy and active lifestyle journey, we recommend adding Optimum Nutrition Fish Oil to your health plan.

These EPA/DHA Omega-3 fatty acids support muscle and joints during your workout and help your body in recovering after a workout. You will definitely not go wrong with adding a good source of high-quality omega 3 to a healthy balanced diet as part of your workout program.

If you like this article, make sure to check out our other articles at ExpertFitness.org

Safety Information

This product is intended for healthy adults over 18 years old together with a healthy balanced diet and exercise program. If you are nursing, pregnant, or with a medical condition, you should consult your health care practitioner prior to using this product. 

Allergen Information: Contains fish (Anchovy, Mackerel, Sardine) Ingredients. 

**Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.