RxOmega-3

RxOmega-3

Natural Factors4.7 (14,614 ratings)
Format:Softgel Quantity: 120 Softgel(s) · 120 servings
Goals
$26.57 $0.22 per serving

Product analysis

51 out of 100

RxOmega-3 provides marine omega-3 fats that may support blood-fat balance, with less certain everyday benefits for skin and inflammation. Conflicting fatty-acid declarations make it harder to judge the complete mix you are buying.

AI assessment of the formula, label and price. How scoring works

Nutrient Quality21

The DHA is identified as an ethyl ester, but the complete fatty-acid mix remains uncertain. Named fish sources alone do not establish the quality of the finished oil.

Ingredient Transparency62

Most amounts are listed, but most ingredient forms are omitted. Conflicting DHA declarations and an unresolved EPA amount make the complete fatty-acid profile difficult to compare.

Value For Money40

Value for money cannot be established confidently for the omega-3 content. Uncertain individual fatty-acid amounts make a like-for-like comparison difficult.

Customer Satisfaction91

Customer feedback is very positive across a large number of ratings. That gives a broad picture of satisfaction, without establishing health effects.

Product Focus69

The clearest potential benefit concerns blood-fat balance, with more uncertain support for skin and inflammation. Changes in blood markers do not necessarily mean noticeable symptom relief.

Format
Softgel
Container
120 Softgel(s)
Per serving
$0.22
Customer rating
4.7 · 14,614 ratings
Report analysis

Goals

Cardiovascular Support
Impact
Highest effect
A- Ingredient FitC PathwaysB+ EvidenceA+ Formulation Logic
Fish Oil · 1170 mg
Study evidence
Fish Oil Supportive 185 studies
Inflammation
Impact
Moderate effect
C Ingredient FitF PathwaysC+ EvidenceA+ Formulation Logic
Fish Oil · 1170 mg
Study evidence
Fish Oil Supportive 68 studies
Skin Health
Impact
Moderate effect
C+ Ingredient FitF PathwaysB EvidenceA+ Formulation Logic
Omega-3 · 630 mg
Study evidence
Omega-3 Supportive 35 studies

Ingredients

IngredientAmount per servingScore
Calories
10 Calorie(s)
Total Fat
1 Gram(s)
Polyunsaturated Fat
1 Gram(s)
Cholesterol
5 mg
pharmaceutical grade Fish Oil concentrate (Anchovy, Mackerel, Sardine)
1170 mg 44
Omega-3 Fatty Acids
630 mg 54
Docosahexaenoic Acid Ethyl Ester
200 mg 60
Gluten Free Adults 18–50 Dairy Free Sugar Free
Report overview
DHA · 200 mg OverallScore60
C Active Ingredient Quality & BioavailabilityC- Dose, Safety & Label TransparencyC Value
The DHA amount is uncertain because the available entries conflict, and its estimated cost per gram is moderate. It uses ethyl ester DHA and discloses fish oil and a purity claim.
How this ingredient is rated

Active Ingredient Quality & Bioavailability64

DHA is in ethyl ester form, which is less readily absorbed than triglyceride form. The omega-3 concentration is established for the oil.
DHA Chemical Form & Bioavailability
DHA is in ethyl ester form, which is less readily absorbed than triglyceride form.
Oxidation Protection & Stability
Antioxidant protection is disclosed.
Oil Concentration & Purity
The oil contains 630 mg of omega-3s in 1170 mg of oil per serving.

Dose, Safety & Label Transparency56

The DHA amount is unclear: statements of 200 mg conflict with a 600 mg ingredient entry. A qualifying purity or certification claim is reported; it is not independently verified here.
DHA Absolute Dosage
The DHA amount is unclear: statements of 200 mg conflict with a 600 mg ingredient entry.
Purity & Heavy Metal Verification
A qualifying purity or certification claim is reported; it is not independently verified here.
Ingredient Source Transparency
Fish oil is the disclosed source.

Value60

The cost per gram of DHA is moderate, but the estimate is uncertain because the DHA amount conflicts.
Price per Gram of DHA
The cost per gram of DHA is moderate, but the estimate is uncertain because the DHA amount conflicts.
C Active Ingredient Quality & BioavailabilityF Dose, Safety & Label TransparencyA+ Value
Each serving has 1170 mg of fish oil, but its EPA and DHA contribution is unknown. The estimated cost per gram of EPA and DHA is low. The oil is in ethyl ester form. Independent testing is not mentioned in the available information.
How this ingredient is rated

Active Ingredient Quality & Bioavailability60

The oil is in ethyl ester form. A specific purification process is indicated, though its method is not named in the available details. Independent testing is not mentioned in the available information.
Omega-3 Molecular Form
The oil is in ethyl ester form.
Purification & Filtration Method
A specific purification process is indicated, though its method is not named in the available details.
Third-Party Purity & Potency Verification
Independent testing is not mentioned in the available information.
Source & Sustainability
A fish source is indicated, but the species is not specified in the available details.

Dose, Safety & Label Transparency0

The EPA and DHA amounts per serving are unknown. A qualifying antioxidant for oil stability is not identified in the available information.
Total Active Omega-3 Dose (EPA + DHA)
The EPA and DHA amounts per serving are unknown.
Omega-3 Potency & Concentration
The EPA and DHA concentration in the fish oil cannot be established from the available amounts.
EPA & DHA Individual Disclosure
Individual EPA and DHA amounts are unavailable.
Oxidation Protection (Stabilizers)
A qualifying antioxidant for oil stability is not identified in the available information.

Value100

The estimated cost per gram of EPA and DHA is low.
Cost Per Gram of Active EPA + DHA
The estimated cost per gram of EPA and DHA is low.
Omega-3 · 630 mg OverallScore54
B- Active Ingredient Quality & BioavailabilityF Dose, Safety & Label TransparencyA+ Value
A serving provides 630 mg of total omega-3 per serving, but the cost per gram of EPA and DHA is low. It uses ethyl esters. Separate EPA and DHA amounts are unavailable.
How this ingredient is rated

Active Ingredient Quality & Bioavailability70

The omega-3 is in ethyl ester form. A preferred oil source and an antioxidant are recorded, though their specific names are not provided here.
Molecular Form & Absorption Potential
The omega-3 is in ethyl ester form.
Source Purity & Oxidative Protection
A preferred oil source and an antioxidant are recorded, though their specific names are not provided here.

Dose, Safety & Label Transparency15

Total omega-3 is listed, but separate EPA and DHA amounts are unavailable. A testing claim is recorded, but qualifying verification is unclear.
EPA & DHA Label Specificity
Total omega-3 is listed, but separate EPA and DHA amounts are unavailable.
Active Ingredient Concentration
EPA and DHA concentration in the oil is unknown because the necessary amounts are unavailable.
Third-Party Purity Verification
A testing claim is recorded, but a qualifying seal or an available certificate of analysis is not established.

Value100

The cost per gram of EPA and DHA is low.
Price per 1000mg of EPA+DHA
The cost per gram of EPA and DHA is low.
Report alternatives

Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. Marine Omega-3 Supplementation and Cardiovascular Disease: An Updated Meta-Analysis of 13 Randomized Controlled Trials Involving 127 477 Participants.
    Hu Y; Hu FB; Manson JE · Journal of the American Heart Association · 2020
    Meta-analysis127,477 participants13 studies pooledCardiovascular Support forFish Oil
  2. Impact of omega-3 fatty acids on hypertriglyceridemia, lipidomics, and gut microbiome in patients with type 2 diabetes.
    Lu J; Liu R; Ren H; Wang S; Hu C; Shi Z; Li M; Liu W; Wan Q; Su Q; Li Q; Zheng H; Qu S; Yang F; Ji H; Lin H; Qi H; Wu X; Wu K; Chen Y; Xu Y; Xu M; Wang T; Zheng J; Ning G; Zheng R; Bi Y; Zhong H; Wang W · Med (New York, N.Y.) · 2025
    Randomized trial309 participantsCardiovascular Support forFish Oil
  3. A systematic review of fish-oil supplements for the prevention and treatment of hypertension.
    Campbell F; Dickinson HO; Critchley JA; Ford GA; Bradburn M · European journal of preventive cardiology · 2013
    Meta-analysis1,524 participants17 studies pooledCardiovascular Support forFish Oil
  4. Effects of fish oil-derived fatty acids on suboptimal cardiovascular health: A multicenter, randomized, double-blind, placebo-controlled trial.
    Zeng Q; Dong SY; Liu YP; Fu J; Shuai P; Zhao ZM; Li TX · Nutrition, metabolism, and cardiovascular diseases : NMCD · 2017
    Randomized trial422 participantsCardiovascular Support forFish Oil
  5. Effect of High-Dose Marine Omega-3 Fatty Acids on Atherosclerosis: A Systematic Review and Meta-Analysis of Randomized Clinical Trials.
    Sekikawa A; Cui C; Sugiyama D; Fabio A; Harris WS; Zhang X · Nutrients · 2020
    Meta-analysis6 studies pooledCardiovascular Support forFish Oil
  6. Dose-dependent effects of fish oil on cardio-metabolic biomarkers in healthy middle-aged and elderly Chinese people: a double-blind randomized controlled trial.
    Song J; Hu M; Li C; Yang B; Ding Q; Wang C; Mao L · Food & function · 2018
    Randomized trial201 participantsInflammation forFish Oil
  7. Eicosapentaenoic acid supplementation alleviates pruritus, enhances skin moisture, and mitigates depression in maintenance hemodialysis patients.
    Lin YL; Wang CL; Chiang TI · Frontiers in nephrology · 2024
    Randomized trial60 participantsInflammation forFish Oil
  8. Lowering effects of fish oil supplementation on proinflammatory markers in hypertension: results from a randomized controlled trial.
    Yang B; Ren XL; Li ZH; Shi MQ; Ding F; Su KP; Guo XJ; Li D · Food & function · 2020
    Randomized trial77 participantsInflammation forFish Oil
  9. The effects of ω-3 fish oil emulsion-based parenteral nutrition plus combination treatment for acute paraquat poisoning.
    Meng Z; Dong Y; Gao H; Yao D; Gong Y; Meng Q; Zheng T; Cui X; Su X; Tian Y · The Journal of international medical research · 2019
    Randomized trial174 participantsInflammation forFish Oil
  10. Effects of Omega-3 Fatty Acid Intake in Patients Undergoing Dialysis: A Systematic Review and Meta-Analysis of Randomized Controlled Trials.
    Liu R; Jiang J; Fu Z; Liu C; Yao L; Quan H · Journal of the American Nutrition Association · 2022
    Meta-analysis49 studies pooledInflammation forFish Oil
  11. Dietetic intervention in psoriatic arthritis: the DIETA trial.
    Leite BF; Morimoto MA; Gomes CMF; Klemz BNC; Genaro PS; Shivappa N; Hébert JR; Damasceno NRT; Pinheiro MM · Advances in rheumatology (London, England) · 2022
    Randomized trial97 participantsSkin Health forOmega-3
  12. Omega-3 fatty acid supplement skin cancer prophylaxis in lung transplant recipients: A randomized, controlled pilot trial.
    Miura K; Vail A; Chambers D; Hopkins PM; Ferguson L; Grant M; Rhodes LE; Green AC · The Journal of heart and lung transplantation : the official publication of the International Society for Heart Transplantation · 2019
    Randomized trial49 participantsSkin Health forOmega-3
  13. Clinical and metabolic response to flaxseed oil omega-3 fatty acids supplementation in patients with diabetic foot ulcer: A randomized, double-blind, placebo-controlled trial.
    Soleimani Z; Hashemdokht F; Bahmani F; Taghizadeh M; Memarzadeh MR; Asemi Z · Journal of diabetes and its complications · 2018
    Randomized trial60 participantsSkin Health forOmega-3
  14. Treatment of hard-to-heal wounds in ischaemic lower extremities with a novel fish skin-derived matrix.
    Lee YJ; Han HJ; Shim HS · Journal of wound care · 2024
    Randomized trial50 participantsSkin Health forOmega-3
  15. Effect of eicosapentaenoic acid, an omega-3 polyunsaturated fatty acid, on UVR-related cancer risk in humans. An assessment of early genotoxic markers.
    Rhodes LE; Shahbakhti H; Azurdia RM; Moison RM; Steenwinkel MJ; Homburg MI; Dean MP; McArdle F; Beijersbergen van Henegouwen GM; Epe B; Vink AA · Carcinogenesis · 2003
    Randomized trial42 participantsSkin Health forOmega-3