Ultimate Omega Xtra Lemon

Ultimate Omega Xtra Lemon

Nordic Naturals4.8 (882 ratings)
Format:Liquid Quantity: 8 Fluid Ounce(s) · 48 servings
Goals

Product analysis

72 out of 100

Ultimate Omega Xtra Lemon pairs omega-3s with vitamin D, using an oil form with good absorption potential. The omega-3 content offers good value for the serving cost.

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

Nutrient Quality66

The omega-3 oil uses a triglyceride form with good absorption potential. The quality of the remaining ingredients is less certain.

Ingredient Transparency62

Ingredient amounts are listed, but some forms and the proportions within the omega-3 combination are unclear. That makes the main quantities easier to check than the full composition.

Value For Money77

The omega-3s offer good value for the amount of EPA and DHA supplied. The added vitamin D does not have enough information for a separate value judgment.

Customer Satisfaction82

Customer feedback is favorable across hundreds of ratings. The ratings do not establish specific benefits or safety.

Product Focus76

The formula has useful support across a small set of intended goals. Its main appeal stays centered on omega-3 supplementation.

Format
Liquid
Container
8 Fluid Ounce(s)
Per serving
$1.46
Customer rating
4.8 · 882 ratings
Report analysis

Goals

Joint Health
Impact
High effect
A- Ingredient FitD+ PathwaysC+ EvidenceA+ Formulation Logic
Omega-3 · 3400 mg

EPA and DHA may modestly support joint comfort and function in people with osteoarthritis or inflammatory joint pain over repeated use. Findings vary across preparations and populations, and some large trials found no benefit. The declared serving only partly matches the saved amount references; it does not establish prevention or better results at higher intake. Vitamin D corrects deficiency but has not established knee-pain or cartilage benefit.

How this product is rated for Joint Health

Ingredient fit88

EPA and DHA account for the relevant ingredient focus. The declared fatty-acid amounts partly meet the comparison references; total oil mass is not interchangeable with EPA and DHA.
Goal fit
EPA and DHA account for the relevant ingredient focus.
Dose adequacy
The declared fatty-acid amounts partly meet the comparison references; total oil mass is not interchangeable with EPA and DHA.

Pathways54

EPA and DHA contribute mainly to inflammation-related joint comfort, with variable symptom evidence.
Depth
EPA and DHA contribute mainly to inflammation-related joint comfort, with variable symptom evidence.
Breadth
Only inflammation-related support reached the saved coverage requirement; broad joint support was not established.

Evidence69

EPA and DHA have mixed evidence, with small average symptom improvements alongside null trials. The saved preparation check accepts the declared fatty acids, without establishing that all oil preparations have equivalent effects.
Evidence strength
EPA and DHA have mixed evidence, with small average symptom improvements alongside null trials.
Studied preparation
The saved preparation check accepts the declared fatty acids, without establishing that all oil preparations have equivalent effects.

Formulation logic100

No missing ingredient partner requirement was identified. None of the evaluated ingredient conflicts was identified.
Partner coverage
No missing ingredient partner requirement was identified.
Conflicts
None of the evaluated ingredient conflicts was identified.
Effective doses
All included ingredients reach the saved minimum amount requirement; that does not establish a clinically effective regimen.
Study evidence
Omega-3 Supportive 40 studies
Vitamin D Supportive 111 studies
Skin Health
Impact
High effect
B+ Ingredient FitD PathwaysB EvidenceA+ Formulation Logic
Omega-3 · 3400 mg

Omega-3 supplies fatty acids relevant to skin barrier lipids, the main contribution recognized here. Its disclosed serving amount meets or approaches the saved amount criteria. Generic omega-3 cannot inherit findings from specific purified EPA preparations used in UV-challenge studies, so routine hydration or UV benefits remain uncertain.

How this product is rated for Skin Health

Ingredient fit82

The formula contains ingredients relevant to skin nutrition. Their amounts and the presence of other actives determine how focused this finding is.
Goal fit
Relevant skin nutrients sit within a broader formula containing ingredients without an established role for this goal.
Dose adequacy
The ingredients included in this finding meet the saved amount criteria; this does not establish extra benefit from larger amounts.

Pathways50

The strongest recorded coverage concerns epidermal barrier lipids; this describes the saved finding, not a demonstrated clinical effect.
Depth
The strongest recorded coverage concerns epidermal barrier lipids; this describes the saved finding, not a demonstrated clinical effect.
Breadth
One skin mechanism reaches the coverage threshold; support across other mechanisms remains limited.

Evidence78

Omega-3 provides the strongest recognized evidence contribution, subject to the ingredient-specific population and preparation limits.
Evidence strength
Omega-3 provides the strongest recognized evidence contribution, subject to the ingredient-specific population and preparation limits.
Studied preparation
The saved result accepts the relevant preparations, although this does not establish that the finished product matches a skin trial.

Formulation logic100

The included ingredients have no recorded missing partners or configured conflicts. Amount limitations are retained separately.
Partner coverage
No missing required ingredient partner limits the saved finding; this does not establish an added combination benefit.
Conflicts
No configured ingredient conflict was identified in the supplied evaluation.
Effective doses
All ingredients included in this finding meet the saved minimum amount threshold, without proving a clinical response.
Study evidence
Omega-3 Supportive 35 studies
Metabolism Support
Impact
Highest effect
A- Ingredient FitC- PathwaysA- EvidenceA+ Formulation Logic
Omega-3 · 3400 mgVitamin D · 25 mcg

Omega-3 has mixed findings for resting energy use: a small study in older women found an increase, while a study in young men did not. These population differences limit expectations of a general metabolism boost. The declared omega-3 amount is considered separately from total fish-oil mass. Vitamin D contributes nutritional support, without demonstrated routine increases in energy expenditure.

How this product is rated for Metabolism Support

Ingredient fit87

Omega-3 account for the main retained ingredient links. Amount recognition is distinct from proof of a metabolism boost.
Goal fit
Omega-3 supplies the main retained ingredient connection.
Dose adequacy
Known amounts receive partial comparison recognition; the comparison is not a proven dose-response for increased calorie use.

Pathways56

The retained connection concerns insulin sensitivity and metabolic hormones; mixed population findings limit any calorie-burning interpretation.
Depth
The retained connection concerns insulin sensitivity and metabolic hormones; mixed population findings limit any calorie-burning interpretation.
Breadth
One pathway reaches the saved coverage threshold; broader thermogenic coverage is not established.

Evidence89

Omega-3 supplies the strongest retained evidence connection, with conflicting resting-metabolic-rate findings across populations.
Evidence strength
Omega-3 supplies the strongest retained evidence connection, with conflicting resting-metabolic-rate findings across populations.
Studied preparation
Eligible ingredients meet the saved preparation criteria; this does not establish increased energy expenditure from the exact product.

Formulation logic100

No unmet required partner or configured conflict was identified. The amount threshold does not establish extra effects from combining ingredients.
Partner coverage
The retained ingredients have no unmet required partner in the supplied findings; this does not establish extra benefit from their combination.
Conflicts
No configured ingredient conflict was identified in the supplied findings.
Effective doses
The eligible ingredients meet the saved amount threshold, which does not establish a clinically effective metabolism-boosting dose.
Study evidence
Omega-3 Supportive 42 studies
Vitamin D Supportive 65 studies

Ingredients

IngredientAmount per servingScore
Calories
45 Calorie(s)
Total Fat
5 Gram(s)
Vitamin D3 (Cholecalciferol)
25 mcg
Total Omega-3 Fatty Acids (Other Omega-3 Fatty Acids, Docosahexaenoic Acid, Eicosapentaenoic Acid)
3400 mg 77
Cholesterol
5 mg
Gluten Free Adults 18–50
Report overview
A+ Active Ingredient Quality & BioavailabilityD- Dose, Safety & Label TransparencyA+ Value
Each serving provides 1,950 mg EPA and 975 mg DHA in triglyceride form. The recorded price is about $0.51 per gram of combined EPA and DHA.
How this ingredient is rated

Active Ingredient Quality & Bioavailability100

The omega-3 is in triglyceride form, and the saved facts record a source and an antioxidant.
Molecular Form & Absorption Potential
The omega-3 is identified as being in triglyceride form.
Source Purity & Oxidative Protection
The saved facts record a qualifying omega-3 source and an antioxidant; their presence does not establish measured freshness.

Dose, Safety & Label Transparency43

The saved facts give separate EPA and DHA amounts, but do not establish their share of the source oil.
EPA & DHA Label Specificity
The saved serving facts list 1950 mg EPA and 975 mg DHA separately.
Active Ingredient Concentration
The saved facts do not provide a usable source-oil amount, so the share made up by EPA and DHA is unknown.
Third-Party Purity Verification
The saved facts do not establish a qualifying independent purity seal or testing claim with an available certificate of analysis.

Value100

The recorded whole-product price works out to about $0.51 per gram of combined EPA and DHA.
Price per 1000mg of EPA+DHA
Based on the serving price and recorded EPA and DHA amount, the cost is about $0.51 per gram of combined EPA and DHA.
Report alternatives

Sources

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

  1. Supplementation of fish oil and olive oil in patients with rheumatoid arthritis.
    Berbert AA; Kondo CR; Almendra CL; Matsuo T; Dichi I · Nutrition (Burbank, Los Angeles County, Calif.) · 2005
    Randomized trial43 participantsJoint Health forOmega-3
  2. Krill oil improved osteoarthritic knee pain in adults with mild to moderate knee osteoarthritis: a 6-month multicenter, randomized, double-blind, placebo-controlled trial.
    Stonehouse W; Benassi-Evans B; Bednarz J; Vincent AD; Hall S; Hill CL · The American journal of clinical nutrition · 2022
    Randomized trial235 participantsJoint Health forOmega-3
  3. Effects of omega-3 supplementation on lipid metabolism, inflammation, and disease activity in rheumatoid arthritis: a meta-analysis of randomized controlled trials.
    Wang W; Xu Y; Zhou J; Zang Y · Clinical rheumatology · 2024
    Meta-analysis1,018 participants18 studies pooledJoint Health forOmega-3
  4. Impact of type and dose of oral polyunsaturated fatty acid supplementation on disease activity in inflammatory rheumatic diseases: a systematic literature review and meta-analysis.
    Sigaux J; Mathieu S; Nguyen Y; Sanchez P; Letarouilly JG; Soubrier M; Czernichow S; Flipo RM; Sellam J; Daïen C · Arthritis research & therapy · 2022
    Meta-analysis1,420 participants30 studies pooledJoint Health forOmega-3
  5. A meta-analysis of the analgesic effects of omega-3 polyunsaturated fatty acid supplementation for inflammatory joint pain.
    Goldberg RJ; Katz J · Pain · 2007
    Meta-analysis17 studies pooledJoint Health forOmega-3
  6. Knee effusion-synovitis volume measurement and effects of vitamin D supplementation in patients with knee osteoarthritis.
    Wang X; Cicuttini F; Jin X; Wluka AE; Han W; Zhu Z; Blizzard L; Antony B; Winzenberg T; Jones G; Ding C · Osteoarthritis and cartilage · 2018
    Randomized trial413 participantsJoint Health forVitamin D
  7. Vitamin D Deficiency Leads to Poorer Health Outcomes and Greater Length of Stay After Total Knee Arthroplasty and Supplementation Improves Outcomes: A Systematic Review and Meta-Analysis.
    Vivek K; Kamal R; Perera E; Gupte CM · JBJS reviews · 2024
    Meta-analysis146,054 participants10 studies pooledJoint Health forVitamin D
  8. Does vitamin D improve symptomatic and structural outcomes in knee osteoarthritis? A systematic review and meta-analysis.
    Zhao ZX; He Y; Peng LH; Luo X; Liu M; He CS; Chen J · Aging clinical and experimental research · 2021
    Meta-analysis1,599 participants6 studies pooledJoint Health forVitamin D
  9. Baseline 25-hydroxyvitamin D levels predict the effects of vitamin D supplementation on joint symptoms and cartilage loss in patients with knee osteoarthritis.
    Wang T; Zheng S; Jin X; Cen H; Zhu Z; Han W; Wluka A; Cicuttini F; Cao P; Ding C · Rheumatology advances in practice · 2025
    Randomized trial413 participantsJoint Health forVitamin D
  10. The Efficacy and Safety of Disease-Modifying Osteoarthritis Drugs for Knee and Hip Osteoarthritis-a Systematic Review and Network Meta-Analysis.
    Yang W; Sun C; He SQ; Chen JY; Wang Y; Zhuo Q · Journal of general internal medicine · 2021
    Meta-analysis11,890 participants28 studies pooledJoint Health forVitamin D
  11. Effects of omega-3 supplementation on glucose and lipid metabolism in patients with gestational diabetes: A meta-analysis of randomized controlled trials.
    Liu W; Gao M; Yang S; Sun C; Bi Y; Li Y; Wang J; Yuan X · Journal of diabetes and its complications · 2023
    Meta-analysis331 participants6 studies pooledMetabolism Support forOmega-3
  12. Hepatic de novo lipogenesis is suppressed and fat oxidation is increased by omega-3 fatty acids at the expense of glucose metabolism.
    Green CJ; Pramfalk C; Charlton CA; Gunn PJ; Cornfield T; Pavlides M; Karpe F; Hodson L · BMJ open diabetes research & care · 2021
    Randomized trial38 participantsMetabolism Support 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 participantsMetabolism Support Skin Health forOmega-3
  14. The Effects of Flaxseed Oil Omega-3 Fatty Acids Supplementation on Metabolic Status of Patients with Polycystic Ovary Syndrome: A Randomized, Double-Blind, Placebo-Controlled Trial.
    Mirmasoumi G; Fazilati M; Foroozanfard F; Vahedpoor Z; Mahmoodi S; Taghizadeh M; Esfeh NK; Mohseni M; Karbassizadeh H; Asemi Z · Experimental and clinical endocrinology & diabetes : official journal, German Society of Endocrinology [and] German Diabetes Association · 2018
    Randomized trial60 participantsMetabolism Support forOmega-3
  15. A combination of omega-3 and plant sterols regulate glucose and lipid metabolism in individuals with impaired glucose regulation: a randomized and controlled clinical trial.
    Wang JF; Zhang HM; Li YY; Xia S; Wei Y; Yang L; Wang D; Ye JJ; Li HX; Yuan J; Pan RR · Lipids in health and disease · 2019
    Randomized trial200 participantsMetabolism Support forOmega-3
  16. Effects of vitamin D supplementation on insulin resistance and lipid metabolic profiles in women with gestational diabetes mellitus: A randomized controlled trial.
    Duan Y; Zhang S; Ma X; Li L; Jia K · African journal of reproductive health · 2026
    Randomized trial120 participantsMetabolism Support forVitamin D
  17. Vitamin D3 improves glucose metabolism and attenuates inflammation in prediabetic human and mice.
    Zhang Y; Ni P; Miao Y; Chen H; Tang L; Song H; Li W; Li X · The Journal of nutritional biochemistry · 2024
    Randomized trialMetabolism Support forVitamin D
  18. Effects of vitamin D and calcium supplementation on pancreatic β cell function, insulin sensitivity, and glycemia in adults at high risk of diabetes: the Calcium and Vitamin D for Diabetes Mellitus (CaDDM) randomized controlled trial.
    Mitri J; Dawson-Hughes B; Hu FB; Pittas AG · The American journal of clinical nutrition · 2011
    Randomized trial92 participantsMetabolism Support forVitamin D
  19. The Effects of Vitamin D Supplementation on Glycemic Control, Lipid Profiles and C-Reactive Protein Among Patients with Cardiovascular Disease: a Systematic Review and Meta-Analysis of Randomized Controlled Trials.
    Ostadmohammadi V; Milajerdi A; Ghayour-Mobarhan M; Ferns G; Taghizadeh M; Badehnoosh B; Mirzaei H; Asemi Z · Current pharmaceutical design · 2020
    Meta-analysis630 participants8 studies pooledMetabolism Support forVitamin D
  20. The Effect of Improved Serum 25-Hydroxyvitamin D Status on Glycemic Control in Diabetic Patients: A Meta-Analysis.
    Mirhosseini N; Vatanparast H; Mazidi M; Kimball SM · The Journal of clinical endocrinology and metabolism · 2017
    Meta-analysis1,528 participants24 studies pooledMetabolism Support forVitamin D