Igennus Advanced rTG Omega-3 1-a-Day - High Absorption EPA & DHA
Igennus Advanced rTG Omega-3 1-a-Day - High Absorption EPA & DHA
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Our review of Igennus Advanced rTG Omega-3 finds it best suited for adults seeking a concentrated, fast-absorbing omega-3 supplement with added vitamin D3. The single biggest reason to consider this product is its high-strength dose: each softgel delivers 660 mg of combined EPA and DHA in a re-esterified triglyceride form that is designed for superior uptake. For buyers who want a potent, purer fish oil option without a fishy aftertaste and with IFOS batch testing, this is a pragmatic choice rather than a generic low-concentration capsule.
Key Features
- Super concentrated dose: Each softgel supplies a high strength 660 mg of EPA and DHA combined, delivering more omega-3 per capsule than standard 35% fish oil capsules.
- rTG high absorption: The re-esterified triglyceride form improves cellular uptake and aims to raise EPA and DHA levels in cells substantially more than regular fish oil.
- IFOS tested purity: Every batch is independently screened for mercury, PCBs and dioxins, providing greater reassurance about environmental contaminants.
- Wild, sustainable source: Oil is drawn from wild Pacific anchovies and purified, supporting a responsibly sourced marine ingredient.
- Added vitamins: Includes 1000 IU vitamin D3 to support immune function and vitamin E to protect the delicate fats from oxidation.
- No fishy odor: Natural lemon flavor reduces fishy taste or burps for a more pleasant daily dose.
Who It's For
This supplement is a good match for adults who want a single, potent daily softgel that provides both high levels of EPA & DHA and a clinically relevant 1000 IU of vitamin D3. It fits people prioritizing purity and absorption - for example, those addressing low dietary intake of omega-3s or seeking support for general health where a concentrated formula matters.
Those who struggle with large capsules or prefer plant-based omega sources should look elsewhere, since these are sizeable softgels derived from wild fish. If you need very small capsules or a vegan EPA/DHA option, a different product will be a better fit.
Pros & Cons
Pros
- High concentration of omega-3 per capsule reduces the number of pills needed daily.
- rTG form is designed for improved absorption, which can raise cellular EPA and DHA effectively.
- IFOS testing and purification give confidence about low contaminant levels.
- Includes vitamin D3 and vitamin E for immune support and oxidative protection.
Cons
- Softgel size is reported by several customers to be large and can be hard to swallow for some users.
- Derived from fish, so it is not suitable for vegetarians or vegans.
Specifications
| Product form | Softgels |
| Serving frequency | 1-a-day |
| EPA & DHA per softgel | 660 mg combined |
| Vitamin D3 | 1000 IU per softgel |
| Source | Wild Pacific anchovies |
| Purity testing | IFOS tested for mercury, PCBs and dioxins |
| Manufacture | UK GMP-manufactured, non-GMO |
Our Verdict
Igennus Advanced rTG Omega-3 is a well-rounded, high-strength fish oil for adults who want efficient absorption and third-party purity checks. It represents good value for those who prefer a potent once-daily softgel with vitamin D3 included, but users sensitive to capsule size or seeking a vegan option should consider alternatives.
Frequently Asked Questions
How much omega-3 is in each softgel?
Each softgel provides a combined 660 mg of EPA and DHA.
Does this product contain vitamin D?
Yes, each softgel contains 1000 IU of vitamin D3 and also includes vitamin E to protect the oils.
Is the fish oil tested for contaminants?
Yes, every batch is independently tested and certified by IFOS for contaminants such as mercury, PCBs and dioxins.
Editor's Take
A concentrated, IFOS-tested rTG fish oil that delivers 660 mg EPA+DHA and 1000 IU vitamin D3 in a once-daily softgel; great for adults seeking high absorption and purity, but softgel size may be large for some.

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