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  • Pure:Contains 100% naturally occurring nutrients: vitamins A, D and E, a full spectrum of omega fatty acids and alkylglycerols; no synthetic vitamins.

  • Sustainable:Authentic ratfish are caught on our own fishing boats in Norway.

  • Unprocessed & raw:Oil is quickly and naturally released — without heat, chemicals or mechanics.

  • Benefits:Supports the pineal gland, healthy cholesterol levels, heart health and skin; may ease inflammation and inhibit free radical damage.* Mild taste.

Ever heard of the ratfish? Many people are surprised to learn this beautiful, blue-eyed, spotted fish predates dinosaurs — and that Norwegian Vikings regarded its liver oil as the gold of the ocean!

Our family continues to create ratfish liver oil today, to share its rich, ancient nutrients with people who are passionate about real food supplements.

When you try a bottle, you’ll experience:

  • 100% ratfish liver oil, wild-caught from the pristine Norwegian fjords.
  • Unprocessed, raw and additive-free.
  • A concentration alkylglycerols (biologically active lipids) of up to 33%.
  • Only naturally occurring vitamin A and vitamin D.
  • The powerful antioxidant, alpha-tocopherol (naturally occuring vitamin E).
  • A full spectrum of omega-3 fatty acids, including EPA and DHA.
  • A fresh bottle that lasts, due to the vitamin E profile.
  • Handcrafted in small batches.
  • A mild, buttery taste.
  • What is Ratfish Liver Oil?

    We’re the only company on the market making authentic fresh, wild-caught and raw ratfish liver oil.

    If you’re unfamiliar with this supplement, it’s the real oil contained in the cells of fresh liver from the ratfish (Chimaera monstrosa). An ancient, whole food that is straw-colored and gentle in flavor and scent.

    Rosita Extra Virgin Ratfish Oil is created using a rare, generations-old technique that naturally releases the oil from the hand-picked livers (using a gentle temperature shift). This can only be accomplished with healthy livers from freshly caught ratfish.

    No heat, chemicals, steam, metals or mechanical pressure are ever used in the creation of your oil. You can read more about Rosita’s heat-free and chemical-free patent to purify its oils and preserve their inherent nutrients, here.

    This all means your ratfish oil maintains the same form and nutritional composition that nature gave it, without being altered in any way.

    Who should consider adding ratfish liver oil to their supplement routine?

    Rosita Ratfish Liver Oil appeals to a wide variety of health interests:

  • Real foodies searching for a rare and unique nutrient profile.
  • Those looking for a completely natural supplement that’s high in alkylglycerols.*
  • Families with children on the spectrum (especially those with taste sensitivity to fish).*
  • Spiritual people who want mental clarity and to decalcify the pineal gland (third eye), which supports meditation, relaxation and rest.*
  • Anyone striving to improve and support their overall health, including the brain, and immune and circulatory systems.*
  • Latest ratfish liver oil testing results

    Each batch of our ratfish liver oil is third-party tested in a microbiological laboratory and certified to meet strict European regulations for potency and purity.

    View our Rosita Ratfish Liver Oil testing page for the latest results.

    Ingredients Rosita Premium Extra-Virgin Ratfish Liver Oil:

    100% Wild Handcrafted Extra-Virgin Rosita Ratfish Liver Oil™

    RFLO contains Omega 3, 4, 6, 7, 9 and 11 fats, vitamins, plus other fat-soluble nutrients. These nutrients, including vitamins A and D are 'naturally occuring' and never added to our oil.

    No artificial colours, flavourings, preservatives, soy.
    Gluten and dairy free.

    Allergens: Fish

    Rosita Ratfish Liver Oil contains a vibrant, naturally-occurring nutrient profile that includes:

  • Alkylglycerols (biologically active lipids): A concentration of up to 33%
  • Vitamin A: In the active, retinol form
  • Vitamin D3: The most bioavailable, cholecalciferol form*
  • Vitamin E: The powerful antioxidant alpha-tocopherol, which is the most biologically and chemically active form*
  • A full spectrum of omega fats: Including omega-3 EPA and DHA, 4, 6, 7, 9, and 11
  • According to published scientific studies, these nutrients support the body in many ways, such as:

  • Potentially easing inflammation,
  • Supporting the pineal gland,
  • Supporting healthy cholesterol levels and the heart,
  • Supporting the skin, and
  • Inhibiting free radical damage.*
  • For more on these nutrients, health benefits and the research supporting them, click here.

    Best taken with food, as needed.

  • Adults: Take 15 drops daily.
  • Children and sensitive individuals:Take 5 drops daily.
  • Low and Slow: Rosita is premium, pure and potent. Therefore, it’s critically important to start slowly, with a lower dosage than recommended. For example, a very small dose every other day, or even once a week, until you can determine how the supplement affects your body and what dosage feels right for you.
  • Store Rosita Ratfish Liver Oil in the refrigerator or freezer.
  • Shelf life for unopened bottles: 3 years from production date if stored in the fridge, 5 years if stored in the freezer.
  • Shelf life for opened bottles: Once opened, store Rosita Ratfish Liver Oil in the refrigerator and consume within 3 months. Replace cap after every use and return to the fridge to extend freshness.
  • Key Nutritional Facts*



    Per Bottle



    Vitamin D3 per serving

    Ratfish Liver Oil (RFLO)


    Rosita Rattenfisch Leberöl – 10ml


    Enthält eine seltene Quelle von "Alkylglycerolen", einem natürlich vorkommenden Äther-Lipid. Alkylglycerole haben bemerkenswerte entzündungshemmende Eigenschaften und helfen das Immunsystem zu stimulieren.

    RFLO enthält Omega 3, 4, 6, 7, 9 und 11 Fette, Vitamine sowie andere fettlösliche Nährstoffe. Diese Nährstoffe, einschließlich der Vitamine A und D, sind "natürlich vorkommend" und werden unserem Öl nie zugesetzt.


    Rosita Premium Extra natives Rattenfisch Leberöl:

    100 % wild handgefertigte Extra natives Rosita Rattenfisch Leberöl™

    Keine künstlichen Farbstoffe, Aromen, Konservierungsstoffe, Soja. Gluten- und milchfrei.

    Jede 10 ml Flasche enthält ca. 230 Tropfen

    Empfohlene Dosis:

    Erwachsene: 4 - 8 Tropfen täglich oder nach Bedarf, mit Nahrung

    Kinder und empfindliche Personen: 1 - 4 Tropfen täglich oder nach Bedarf, mit Nahrung

    Kleinkinder 3 Monate +: 1 - 2 Tropfen täglich oder nach Bedarf gemischt mit Muttermilch,

    Babynahrung oder Nahrung. Befragen Sie immer zuerst einen Arzt.

    Stillende Mütter können das Öl direkt konsumieren (2 - 5 Tropfen täglich mit Nahrung) und lassen die reichen Nährstoffe durch die Milch zum Baby.

    Spezielle Protokolle: Nur unter der Aufsicht eines qualifizierten Arztes: 10 -12 Tropfen zweimal täglich für einen Zeitraum von 6 Wochen, gefolgt von einer Erhaltungsdosis von 4 - 12 Tropfen täglich. Wenn Sie oder Ihr Kind noch nie Fisch oder Fischöl konsumiert haben oder wenn Sie eine Lebensmittelallergie vermuten, konsultieren Sie Ihren Arzt, bevor Sie Fischöl/Fischleberöl verwenden.

    Flaschen sollten vor Gebrauch sanft geschüttelt werden.

    Es sollte darauf geachtet werden, dass der Trinse nicht unberührt und frei von Schadstoffen ist, da dies zu Ranzigkeit führen kann (z. B. Mund-/Speichel-/Hautkontakt kann zu einem Abbau der Antioxidantien führen).

    Lagerung und Haltbarkeit für ungeöffnete Flaschen: Gefrierschrank: 5 Jahre (-19°C/-2.2°F) Kühlschrank: 3 Jahre (4°C/39°F) Reisen: Nach dem Öffnen, gut für 1 Monat unter (30°C/86°F) lagern. Keiner direkter Sonneneinstrahlung freisetzen Haltbarkeit für geöffnete Flaschen: Rosita RFLO Flüssigkeit im Kühlschrank aufbewahren (4°C/39°F) und innerhalb von 3 Monaten konsumieren Überschreiten Sie die empfohlene Tagesdosis nicht. Nahrungsergänzungsmittel sind kein Ersatz für eine abwechslungsreiche und ausgewogene Ernährung. Außerhalb der Reichweite von Kindern aufbewahren.



    All productions are tested for contaminants before being bottled and released for sale.
    Please find the test results for the latest productions of Rosita Premium RFLO in the table below:

    EU REGULATION 1.75 pg/g 6.00 pg/g 200 ng/g
    NORWEGIAN REGULATION 1.75 pg/g 4.00 pg/g 200 ng/g

    Test results Rosita Extra-Virgin Ratfish Liver Oil (RFLO):

    RFO - Production number: 1031-200119, 1032-200119, 1033-200119, 1034-200119.
    (Testing by EUROFINS Report #440-2020-0123-100)
    BBE (fridge/freezer): January 2023/2025
    0.545 pg/g 0.824 pg/g  163 ng/g
    RFO - Production number: 1026-190319, 1027-190319, 1028-190319, 1029-190319, 1030-190319.
    (Testing by EUROFINS Report #440-2019-0325-077)
    BBE (fridge/freezer): April 2022/2024
    0.328 pg/g 0.605 pg/g 195 ng/g
    RFO - Production number: 1020-180510, 1021-180510, 1022-180510, 1023-180510, 1024-180510, 1025-180510.
    (Testing by EUROFINS Report #440-2018-0628-065)
    BBE (fridge/freezer): June 2021/2023
    0.336 pg/g 0.650 pg/g 180 ng/g
    RFO - Production number: 1016-180423, 1017-180423, 1018-180423, 1019-180423
    (Testing by EUROFINS Report #440-2018-0425-104)
    BBE (fridge/freezer): May 2021/2023
    0.335 pg/g  0.94 pg/g  164 ng/g
    RFO - Production number: 1013-180118, 1014-180118, 1015-180118
    (Testing by EUROFINS Report #440-2018-0118-157)
    BBE (fridge/freezer): Feb 2021/2023
    0.340 pg/g 0.76 pg/g  143 ng/g
    RFO - Production number: 10xx-160212
    (Testing by EUROFINS Report #440-2016-0217-086 and BDS - Report #8596-1)
    BBE (fridge/freezer): March 2019/2021
    0.700 pg/g 1.20 pg/g 105 ng/g
    RFO - production number: 10xx-150728
    (Testing by BDS - Report # 7195-1)
    BBE (fridge/freezer): August 2018/2020
    0.390 pg/g 1.10 pg/g  140 ng/g

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