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- # N1742
NOW Foods Cod Liver Oil 650 mg with Vitamins A & D: Pure Icelandic & Norwegian Marine Nutrition
When choosing a foundational marine oil, modern shoppers often face an overwhelming choice between standard fish body oil and traditional cod liver oil. While conventional fish oil supplies generic omega-3 fatty acids, NOW® Cod Liver Oil 650 mg Softgels provide a naturally rich whole-food matrix of active omega-3s (EPA and DHA) paired directly with fat-soluble Vitamin A and Vitamin D3. Sourced exclusively from cold-water Atlantic cod caught off the pristine coastlines of Iceland and Norway, this time-tested dietary supplement supplies essential micronutrients that work together to maintain sharp vision, resilient immune defenses, strong bones, and healthy cardiovascular circulation.
Unlike harsh industrial oils extracted using chemical solvents, NOW Foods uses gentle low-temperature molecular purification and deodorization methods. This preserves the natural lipid structures of the oil while completely filtering out undesirable marine impurities. Each single softgel delivers a targeted, balanced dosage designed for safe daily long-term wellness without the danger of excessive vitamin accumulation.
- ✓ 650 mg Pure Cod Liver Oil: Unadulterated Arctic cod liver delivering balanced, un-concentrated natural omega-3 fatty acids.
- ✓ Bioavailable Vitamin A (750 mcg / 83% DV): Delivers preformed retinol (retinyl palmitate) for cellular eye lubrication, dark adaptation, and epithelial skin repair.
- ✓ Cholecalciferol Vitamin D3 (6.75 mcg / 270 IU / 34% DV): Natural sunshine vitamin that directs calcium absorption straight into bone and dental matrix.
- ✓ Cardiovascular & Joint Flexibility Support: Supplies essential eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) to nourish vascular walls and flexible joint cartilage.
- ✓ Certified Free of Harmful Toxins: Stringently screened in ISO/IEC 17025 accredited labs for mercury, lead, heavy metals, PCBs, and dioxins.
How It Works: The Biological Synergy of Vitamin A, Vitamin D3, and Omega-3 Fatty Acids
The human body does not process nutrients in isolation. The true clinical power of natural cod liver oil lies in how its three core nutritional components interact inside your cells. When taken together in their natural lipid carrier, Vitamins A and D3 work through shared nuclear receptors, while EPA and DHA fatty acids integrate directly into your cell membranes (National Institutes of Health Office of Dietary Supplements, Vitamin A & D Clinical Monographs).
1. Vision Restoration and Mucosal Immunity (Vitamin A):
Inside the retina, preformed Vitamin A combines with the protein opsin to synthesize rhodopsin, the light-absorbing pigment responsible for night vision and low-light eye adaptation (Wald, G., Science, 1968). Beyond vision, Vitamin A governs the genetic transcription of mucin proteins in epithelial tissue. This maintains the physical mucosal barrier lining your respiratory tract, digestive canal, and ocular surface, physically blocking opportunistic pathogens before they can trigger an immune challenge (Huang et al., Journal of Clinical Medicine, 2018).
2. Bone Mineralization and Immune Balance (Vitamin D3):
Vitamin D3 (cholecalciferol) is converted in the liver and kidneys into its active hormonal form, calcitriol. Calcitriol binds to Vitamin D Receptors (VDR) located throughout intestinal cells, stimulating specific transport proteins (TRPV6 and calbindin) that increase dietary calcium and phosphorus absorption from roughly 10% up to 30% to 40% (Holick, M.F., New England Journal of Medicine, 2007). In addition, Vitamin D modulates adaptive immune responses by regulating helper T-cell activity and boosting the synthesis of endogenous antimicrobial peptides like cathelicidin.
3. Vascular Elasticity and Anti-Inflammatory Signaling (EPA & DHA):
The essential polyunsaturated fatty acids EPA and DHA displace pro-inflammatory omega-6 arachidonic acid within cell membrane phospholipid bilayers. During physiological stress or joint wear, EPA and DHA act as biochemical precursors to specialized pro-resolving mediators (SPMs) known as resolvins, maresins, and protectins. These bio-compounds calm tissue swelling, maintain blood vessel lining flexibility, and protect joint synovial fluid (Serhan, C.N., Nature, 2014; Calder, P.C., Biochemical Society Transactions, 2017). According to the U.S. FDA, supportive but not conclusive research shows that consumption of EPA and DHA omega-3 fatty acids may reduce the risk of coronary heart disease.
4. The Retinoid-Calcitriol Protective Lock:
High-dose synthetic Vitamin D taken without Vitamin A can deplete tissue reserves of Vitamin A, whereas taking high doses of Vitamin D in the presence of natural Vitamin A ensures proper calcium routing. Vitamin A helps activate receptor pathways that shield arterial walls from inappropriate soft-tissue calcification, guiding calcium into skeletal bone where it belongs (Masterjohn, C., Medical Hypotheses, 2007).
Complete Supplement Facts & Manufacturing Ingredient Listing
Every batch of NOW® Cod Liver Oil 650 mg (NOW Product Code 1742) adheres to transparent, clean-label manufacturing standards. Below is the full nutritional panel verified against official manufacturer label specifications:
| Supplement Facts — Serving Size: 1 Softgel | Amount Per Serving | % Daily Value |
|---|---|---|
| Calories | 5 | * |
| Total Fat | 0.5 g | <1%** |
| Vitamin A (from Retinyl Palmitate and Cod Liver Oil) | 750 mcg (2,500 IU) | 83% |
| Vitamin D (from D3 Cholecalciferol and Cod Liver Oil) | 6.75 mcg (270 IU) | 34% |
| Cod Liver Oil (Sourced from Iceland & Norway) | 650 mg | † |
** Percent Daily Values are based on a 2,000 calorie diet.
† Daily Value not established. * Calories from fat do not contribute significantly to daily caloric load.
Other Ingredients: Softgel Capsule [bovine gelatin (BSE-free), glycerin, water].
Allergen Declaration: Contains fish (cod). Sourced as a product of Iceland and Norway. Packaged and quality tested in the USA.
Clean Formulation Assurance: Not manufactured with wheat, gluten, soy, corn, milk, egg, shellfish, or sesame ingredients. Produced in a certified Current Good Manufacturing Practices (cGMP 21 CFR Part 111) facility that processes other ingredients containing these allergens. Verified Non-GMO, Halal, Kosher (Triangle K contains gelatin), and Keto-friendly.
NOW Foods Quality Assurance: In-House ISO/IEC 17025 Labs & Contaminant Standards
Because cod liver naturally acts as a metabolic filter for marine life, purchasing low-grade, untested cod liver oil exposes consumers to accumulated environmental toxins. NOW Foods operates two state-of-the-art analytical testing facilities in Bloomingdale, Illinois, and Sparks, Nevada, running more than 19,000 individual laboratory analyses every month. NOW's in-house testing protocol enforces contaminant ceilings far stricter than baseline FDA standards, adhering to the internationally recognized Global Organization for EPA and DHA Omega-3 (GOED) Voluntary Monograph and California Proposition 65 limits.
| Contaminant Category | Testing Instrument | Permissible Safety Ceiling | Health Impact Protected |
|---|---|---|---|
| Mercury (Hg) | ICP-MS (Parts-Per-Billion) | < 0.1 mg/kg (< 0.1 ppm) | Prevents heavy metal neurotoxicity and kidney stress. |
| Lead (Pb) | ICP-MS (Parts-Per-Billion) | < 0.05 mg/kg (< 0.05 ppm) | Surpasses California Prop 65 reproductive safety thresholds. |
| Cadmium (Cd) & Arsenic (As) | ICP-MS (Parts-Per-Billion) | < 0.1 mg/kg (< 0.1 ppm) | Protects cellular DNA from heavy metal oxidative damage. |
| PCBs (Polychlorinated Biphenyls) | GC-MS/MS (EPA Method 1668) | < 0.09 mg/kg (Max 90 ng/day) | Screens all 209 chemical congeners to eliminate synthetic industrial residues. |
| Dioxins & Furans (PCDD/PCDF) | HRGC/HRMS High-Resolution | < 1.75 pg WHO-TEQ/g | Guarantees complete safety from persistent environmental pollutants. |
| Freshness & Oxidation (TOTOX) | Peroxide & Anisidine Assays | TOTOX Score < 26 | Eliminates rancid lipids, digestive reflux, and fishy repeating. |
Inductively Coupled Plasma Mass Spectrometry (ICP-MS): By heating raw materials to temperatures exceeding 6,000° Kelvin in an argon plasma field, NOW chemists atomize and ionize trace elements. This allows quantitative detection of toxic heavy metals down to parts-per-billion (ppb) concentrations, ensuring that the finished softgel you take daily contains pure, nourishing oil.
Practical Usage Guide, Optimal Timing & Real-World Precautions
To achieve optimal physiological absorption and avoid digestive discomfort, use these clinical recommendations when incorporating NOW Cod Liver Oil 650 mg into your wellness regimen:
- Daily Dosage: Take 1 softgel daily, or as directed by your qualified healthcare practitioner. Do not exceed the suggested serving size unless instructed by a medical doctor.
- Take with Food Containing Healthy Fats: Always swallow softgels with a meal that includes dietary fat (such as eggs, avocados, yogurt, or olive oil). Dietary lipids trigger the digestive release of cholecystokinin (CCK) and bile salts. This forms microscopic emulsion droplets (micelles) in your small intestine, maximizing the absorption of fat-soluble Vitamins A and D3 while preventing stomach sensitivity.
- Multivitamin Stacking Caution: If you currently take a daily multivitamin, check the label for preformed Vitamin A (listed as retinyl palmitate or Vitamin A acetate). The adult Tolerable Upper Intake Level (UL) set by the National Academy of Medicine for preformed Vitamin A is 3,000 mcg RAE (10,000 IU) per day. Because 1 softgel of NOW Cod Liver Oil supplies 750 mcg (83% DV), keep your combined intake from all fortified foods and supplements below this threshold to protect liver health.
- Pregnancy Advisory: High maternal intake of preformed Vitamin A (exceeding 3,000 mcg per day) during early pregnancy can increase the risk of fetal development issues. Women who are pregnant, planning to become pregnant, or nursing must consult their obstetrician before starting cod liver oil.
- Blood-Thinning Medications: Omega-3 fatty acids possess natural, mild anti-platelet properties. If you take anticoagulant or antiplatelet drugs (such as Warfarin, Eliquis, Plavix, or daily aspirin), or have an upcoming surgery scheduled, inform your prescribing doctor.
- Storage Guidelines: Keep the bottle tightly capped and store in a cool, dry location away from heat and direct sunlight. Refrigeration after opening is acceptable and can help preserve oil freshness in warm climates.
Why Order Your NOW Cod Liver Oil from VitaNet®, LLC
Ordering dietary supplements online requires confidence in both product authenticity and retailer reliability. Since 1995, VitaNet®, LLC has operated as an independent, family-owned nutritional retailer based in Hartville, Ohio[cite: 1]. Bringing over 31 years of direct natural supplement experience to our online store, we ensure customers receive fresh, factory-direct supplements stored under controlled warehouse conditions rather than degraded inventory stored in unmonitored third-party fulfillment centers[cite: 1].
- Unconditional 100% Money-Back Guarantee: We stand behind every bottle we ship. If you are unsatisfied with your order for any reason, we offer a complete refund and pay the return shipping costs, even on opened bottles[cite: 1].
- Accredited Business Integrity: VitaNet®, LLC maintains an A+ rating with the Better Business Bureau (BBB), reflecting three decades of reliable customer service[cite: 1].
- Freshness Guaranteed: We source inventory directly from authorized brand distributors to guarantee rapid product turnover and distant expiration dates.
- Everyday Value Pricing: With a comprehensive catalog of over 16,000 natural health items, we pass significant volume savings along to health-conscious consumers every day[cite: 1].
Frequently Asked Questions About NOW Cod Liver Oil 650 mg
What is the primary difference between NOW Cod Liver Oil and standard fish body oil?
Standard fish oil is pressed strictly from the body flesh of oily fish (such as anchovies, sardines, or mackerel) and contains omega-3 fatty acids without substantial levels of vitamins. In contrast, NOW Cod Liver Oil is extracted exclusively from Atlantic cod liver. This gives it a natural concentration of fat-soluble Vitamin A and Vitamin D3 bound within the omega-3 lipid base, delivering combined nutritional support for vision, bone density, and immunity in a single softgel.