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Natural Factors

RxOmega-3 Ultra Strength with Vitamin D3, 150 Softgels

4.9 · 1740 reviews
5,275 ₽

Heart-Brain-Immune Health 2150 mg Omega-3 EPA/DHA/DPA Vitamin D3 25 mcg (1000 IU) Ultra Pure Pharmaceutical Grade Breakthrough Technology Enteric Softgel Non-GMO Gluten Free Purity Promise-3rd Party Tested for Up To 800 Contaminants Sustainably Sourced Dietary Supplement Only From Natural Factors RxOmega-3 Ultra Strength with Vitamin D3 is from sustainably sourced, wild caught fish, and delivers a superior concentration of research-supported omega-3s, EPA & DHA, as well as naturally occurring DPA. Supports heart, brain, immune, joint, and mental health Includes vitamin D3 for extra immune support and healthy bones Molecularly distilled and tested for up to 800 contaminants, including heavy metals (e.g ., mercury), PCBs, glyphosate, and radiation Fully purified, concentrated, and encapsulated only in North America Guaranteed to meet or exceed the world's most stringent fish oil standards Advanced Absorption with the Enteripure Difference Revolutionary Enteripure technology infuses 100% natural plant material with enteric properties into the outer softgel for advanced absorption and assimilation. Targeted delivery to the intestines Protects the fish oils from the stomach's harsh environment No fishy aftertaste or fishy burps Concentrated levels of omega-3s The ISURA® seal is your assurance that this product is independently verified as clean and safe, and has been tested for up to 800 possible contaminants. ISURA's rigorous testing includes hundreds of quality procedures using state-of-the-art technology. It provides you with the confidence that this product is ISURA verified clean, one of the highest testing standards in the world. Isura®: Verified Clean Tested Non-GMO

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Heart-Brain-Immune Health 2150 mg Omega-3 EPA/DHA/DPA Vitamin D3 25 mcg (1000 IU) Ultra Pure Pharmaceutical Grade Breakthrough Technology Enteric Softgel Non-GMO Gluten Free Purity Promise-3rd Party Tested for Up To 800 Contaminants Sustainably Sourced Dietary Supplement Only From Natural Factors RxOmega-3 Ultra Strength with Vitamin D3 is from sustainably sourced, wild caught fish, and delivers a superior concentration of research-supported omega-3s, EPA & DHA, as well as naturally occurring DPA. Supports heart, brain, immune, joint, and mental health Includes vitamin D3 for extra immune support and healthy bones Molecularly distilled and tested for up to 800 contaminants, including heavy metals (e.g ., mercury), PCBs, glyphosate, and radiation Fully purified, concentrated, and encapsulated only in North America Guaranteed to meet or exceed the world's most stringent fish oil standards Advanced Absorption with the Enteripure Difference Revolutionary Enteripure technology infuses 100% natural plant material with enteric properties into the outer softgel for advanced absorption and assimilation. Targeted delivery to the intestines Protects the fish oils from the stomach's harsh environment No fishy aftertaste or fishy burps Concentrated levels of omega-3s The ISURA® seal is your assurance that this product is independently verified as clean and safe, and has been tested for up to 800 possible contaminants. ISURA's rigorous testing includes hundreds of quality procedures using state-of-the-art technology. It provides you with the confidence that this product is ISURA verified clean, one of the highest testing standards in the world. Isura®: Verified Clean Tested Non-GMO

Customer reviews

5.0
verified purchase
Great fish oil

This is really top quality fish oil with vitamin D. It’s not cheap but worth the extra cost.

10/17/2025
5.0
verified purchase
Best

Quality size ingredients high dose best benefits all time order product this brand

7/15/2025
5.0
verified purchase
One of the best you can find here~

My whole family consume this OMGEA-3 with Vit D over 10 years already. This brand is one of the best we can find from iHerb. It is most ideal for those who work indoor and do not have time for 10 mins sunshine. I take it one capsule once every day or one in every two days. Very good quality and not fishy at all. You'll love it.

2/8/2025
5.0
verified purchase

Natural Factors RZ Omega-3 with Vitamin D3 offers a powerful combination of essential omega-3 fatty acids and vitamin D3 for heart, brain, and immune support. The ultra-strength formula provides a high dose of EPA and DHA, which are great for reducing inflammation and promoting overall well-being. I appreciate that it doesn’t leave a fishy aftertaste and is easy to digest. It's a convenient way to get both omega-3s and vitamin D3 in one softgel, making it an excellent choice for anyone looking to boost their cardiovascular and immune health.

9/9/2024
5.0
verified purchase
EPA-600, DHA-300 + D3-1000IU BEST PRICE AND QUALITY!

My husband & I have been taking this ultra strength omega 3 religiously for the overall health benefits. This is the only brand I bought in the last 5 years. It does not give the the strong fish after taste. The soft gels are quite large but fairly easy to swallow. The extra 1000IU of Vit D3 is very important to our health as well. This is a high quality, pharmaceutical grade product at a great price. I used to purchase this at $42 price point but now it is often on "Super Deal" for $22+ only. It's a steal and i will grab a few! I have many bottles of backup, stored in refrigerator to prevent the oil from turning rancid (i live in hot humid place).

10/27/2020
5.0
verified purchase
Good!

I've been taking this RxOmega-3 for a while now as part of my daily routine. The softgels are a bit on the larger side, which is pretty normal for a high-potency fish oil. I don't experience any fishy aftertaste or burps. I also like the convenience of having Vitamin D3 included in the same softgel. Overall, it's a solid, high-quality product. I have no complaints at all and will continue to purchase it.

4/14/2026
4.0
verified purchase
great product but capsule size huge

amazing product but the size of the capsule is gigantic. no fishy aftertaste. great quality. great ingredients and good EPA-DHA ratio. package is great. benefits are real. my guts are thankful for taking this product

4/4/2026
5.0
verified purchase
NEW ONE

I have been using Natural Factors RxOmega-3 Ultra Strength with Vitamin D3 for several months now, and I can confidently say that it has become an essential part of my daily supplement routine. From the very first weeks, I noticed a subtle yet meaningful improvement in my overall wellness. The combination of ultra-concentrated omega-3 fatty acids (EPA and DHA) with vitamin D3 makes this product stand out from other fish oil supplements I’ve tried in the past.

2/4/2026
5.0
verified purchase
최고!

Quality is super! The ingredients are great! Size arranged! What you need! Performance is felt! the product arranged, perfectly packed, the effect is definitely there! I will order more! Just as quickly delivered

11/27/2025
5.0
verified purchase

Supports heart, brain, immune, joint, and mental health Includes vitamin D3 for extra immune support and healthy bones Molecularly distilled and tested for up to 800 contaminants, including heavy metals (e.g ., mercury), PCBs, glyphosate, and radiation

11/5/2025