Dietary Supplement. Purified Fish Oil with Vitamin D3. 3rd Party Tested Purity & Freshness. Great lemon taste! Natural Triglyceride Form. Meets our daily needs for Omega-3 and Vitamin D. Pharmaceutical Grade** and Molecularly Distilled Nordic Naturals Omega-3D liquid is a great-tasting, fresh and pure source of omega-3s, vitamin E, and vitamin D3. This formula is essential for good nutrition and overall wellness.* Omega-3D liquid provides over 100% of the daily value of vitamin D for adults and children over four years of age. **All Nordic Natu.