$29.71 $0.99 per serving
Product analysis
Nordic Immune Daily Defense supplies vitamin C, vitamin D and zinc for normal immune function, especially when dietary intake is low. It is an expensive way to obtain vitamin C compared with more economical options.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality33
The main vitamin and mineral forms are named, but their quality advantages remain uncertain. Elderberry’s preparation is not clearly specified, limiting closer comparisons.
Ingredient Transparency77
Amounts are declared for the listed entries, supporting serving comparisons. The vitamins and zinc have named forms, while elderberry preparation details are omitted.
Value For Money34
Vitamin C is expensive for the amount supplied. The added value of vitamin D, zinc and elderberry remains uncertain.
Customer Satisfaction73
Customer ratings are very positive. The small number of responses limits how broadly those ratings can describe satisfaction.
Product Focus79
The clearest purpose is normal immune support and filling low nutrient intakes. Elderberry’s mixed findings do not establish a routine wellness benefit.
- Format
Softgel - Container
- 90 Softgel(s)
- Per serving
- $0.99
- Customer rating
- 4.8 · 73 ratings
Goals
Impact
Highest effect
Vitamin C · 1000 mgZinc · 15 mgVitamin D · 50 mcgEuropean Elder · 429 mg
Vitamin C supports immune-cell activity and may modestly shorten colds with regular use. Zinc and vitamin D contribute to normal immune function, but their presence does not establish infection prevention. Elderberry's mixed, preparation-specific findings do not establish a routine benefit from the declared berry amount.
How this product is rated for Immunity
Ingredient fit83
The formula includes nutrients relevant to normal immune function, alongside ingredients serving other purposes. Their amounts make uneven contributions.
Goal fit
Several nutrients support normal immune functions, although the wider formula also serves other nutritional purposes.
Dose adequacy
The known amounts contribute unevenly: some meet the saved comparisons while smaller nutrient amounts limit the overall amount finding.
Pathways100
The saved findings span barrier defenses, innate immune cells and immune regulation.
Depth
The strongest saved contribution concerns protective barriers and antimicrobial defense.
Breadth
The saved findings span barrier defenses, innate immune cells and immune regulation.
Evidence100
Vitamin C leads the saved evidence finding, with modest regular-use cold-duration support rather than established infection prevention.
Evidence strength
Vitamin C leads the saved evidence finding, with modest regular-use cold-duration support rather than established infection prevention.
Studied preparation
The saved preparation finding accepts the relevant nutrient declarations; this does not imply that the complete formula was clinically tested.
Formulation logic100
The relevant nutrients do not require an additional partner in the saved findings, and no matching high-zinc conflict was identified.
Partner coverage
The relevant nutrients can contribute without an additional partner under the saved findings.
Conflicts
The saved checks did not identify a matching high-zinc conflict; this is not a complete assessment of all possible interactions.
Effective doses
All ingredients included in this saved check pass its minimum amount threshold; that finding does not establish effectiveness of every formula ingredient.
Impact
Highest effect
Vitamin D · 50 mcgZinc · 15 mgVitamin C · 1000 mg
Vitamin C and zinc supply nutrients used in normal immune function, while vitamin D contributes to bone mineral balance. Their value is mainly filling low intakes; the supplied information does not establish disease prevention or extra benefit above adequate intake. Elderberry has no known amount, and its limited acute respiratory-illness evidence does not establish routine wellness benefit.
How this product is rated for Everyday Health
Ingredient fit83
Vitamin C, zinc and vitamin D provide the known nutritional contributions; elderberry is unquantified.
Goal fit
Vitamin C, zinc and vitamin D provide the known nutritional contributions; elderberry is unquantified.
Dose adequacy
The known nutrients contribute meaningful amounts, while elderberry's amount cannot be assessed.
Pathways80
Antioxidant and immune functions receives the strongest saved coverage. Antioxidant or immune functions and bone mineral balance describe the breadth of the supplied findings.
Depth
Antioxidant and immune functions receives the strongest saved coverage.
Breadth
Antioxidant or immune functions and bone mineral balance describe the breadth of the supplied findings.
Evidence82
Vitamin D anchors the nutritional evidence; this does not establish added benefit above adequate intake.
Evidence strength
Vitamin D anchors the nutritional evidence; this does not establish added benefit above adequate intake.
Studied preparation
The counted preparations with substantial known amounts are accepted in the saved findings; no form superiority is established.
Formulation logic94
The counted ingredients can contribute independently or have their required partner.
Partner coverage
The counted ingredients can contribute independently or have their required partner.
Conflicts
No configured ingredient conflict was found.
Effective doses
Three known nutrient amounts contribute meaningfully; elderberry remains unquantified.
Impact
Highest effect
Vitamin D · 50 mcgVitamin C · 1000 mg
Zinc can help address inflammation associated with low zinc intake. Vitamin C has a CRP signal confined to elevated starting CRP, while vitamin D has a transient CRP finding with other markers unchanged. These findings support limited, conditional relevance rather than established broad clinical anti-inflammatory benefit.
How this product is rated for Inflammation
Ingredient fit84
Relevant ingredients share the formula with broader uses, giving it a mixed focus on inflammation. Most counted amounts are close to the saved comparison ranges, although some provide less.
Goal fit
Relevant ingredients share the formula with broader uses, giving it a mixed focus on inflammation.
Dose adequacy
Most counted amounts are close to the saved comparison ranges, although some provide less.
Pathways77
Inflammatory signalling provides the strongest saved finding; proposed roles do not establish clinical benefit. Inflammatory signalling and oxidative stress reach the saved coverage threshold; enzyme inhibition and fatty-acid routes do not.
Depth
Inflammatory signalling provides the strongest saved finding; proposed roles do not establish clinical benefit.
Breadth
Inflammatory signalling and oxidative stress reach the saved coverage threshold; enzyme inhibition and fatty-acid routes do not.
Evidence93
Vitamin D leads the saved evidence finding, but the scientific context limits claims of routine clinical benefit. Recognized preparation matching does not remove those limitations.
Evidence strength
Vitamin D leads the saved evidence finding, but the scientific context limits claims of routine clinical benefit.
Studied preparation
The counted preparations match those recognized in the saved findings; the supplied population and outcome limitations still apply.
Formulation logic100
Counted ingredients meet the saved amount threshold and partner requirements, with no configured conflict identified. These findings do not establish synergy or comprehensive safety.
Partner coverage
The counted ingredients work independently or have their required partner in the saved findings.
Conflicts
No configured ingredient conflict was identified; this does not assess every possible interaction.
Effective doses
All counted ingredients clear the saved amount threshold, a comparison rule rather than a proven effective dose.
Impact
High effect
Zinc · 15 mgVitamin C · 1000 mg
Vitamin C supports collagen formation and wound healing when intake is low. Zinc helps repair skin when zinc intake is inadequate.
How this product is rated for Skin Health
Ingredient fit71
The relevant ingredients primarily provide nutritional support within a broader formula. Their saved amount findings do not establish extra cosmetic benefit.
Goal fit
Relevant skin ingredients share the formula with ingredients aimed at other needs.
Dose adequacy
The credited amounts only partly meet the saved references; lower or undisclosed amounts limit their contribution.
Pathways0
The saved findings identify no coverage of the four targeted skin pathways. Nutrient sufficiency is considered separately.
Depth
No targeted pathway receives a contribution from the disclosed ingredients.
Breadth
None of the targeted pathways reaches the saved coverage threshold.
Evidence100
Vitamin C leads the saved evidence finding. The supplied scientific context limits claims to the relevant nutritional role or preparation-specific outcomes.
Evidence strength
Vitamin C provides the strongest saved evidence contribution; this does not establish broad cosmetic improvement.
Studied preparation
The credited preparations meet the saved preparation checks, while the supplied evidence still limits transfer to routine skin outcomes.
Formulation logic100
The credited ingredients need no missing partner, and no configured conflicts were identified. Those findings do not establish added benefit from combining ingredients.
Partner coverage
The credited ingredients can contribute without an additional required partner.
Conflicts
No configured ingredient conflict was identified in the supplied findings.
Effective doses
All credited ingredients meet the saved minimum amount threshold; that threshold is not a proven effective skin dose.
Impact
High effect
Zinc · 15 mgVitamin C · 1000 mg
Vitamin C supports antioxidant functions, while the eye-disease findings concern a defined combination in selected AMD populations rather than vitamin C alone improving routine vision. Zinc’s eye-health findings likewise concern the complete AREDS regimen, without establishing standalone visual improvement.
How this product is rated for Eye Health
Ingredient fit76
Vitamin C, Zinc and Vitamin D provide the saved connections, with usable serving amounts determining the extent of the comparison.
Goal fit
Relevant nutrients sit within a broader formula containing ingredients directed at other goals.
Dose adequacy
The declared serving amounts provide uneven contributions; the amount comparison does not establish a proven vision-support dose.
Pathways47
The represented areas describe the supplied eye-related ingredient roles, without establishing prevention or treatment of eye disease.
Depth
The strongest represented area is retinal and lens antioxidant defense. This describes ingredient roles rather than demonstrated improvement in vision.
Breadth
The represented areas meeting the comparison threshold are retinal and lens antioxidant defense.
Evidence84
The supplied human findings concern selected visual-performance outcomes or defined clinical combinations, limiting transfer to routine adult vision support.
Evidence strength
Zinc supplies the leading evidence contribution, with benefits limited by the populations and outcomes studied.
Studied preparation
The qualifying ingredient preparations match the saved comparison; this does not extend results to routine adult vision improvement.
Formulation logic100
The supplied partner and ingredient-conflict checks concern formulation compatibility rather than clinical eligibility for an eye-health regimen.
Partner coverage
The contributing ingredients can act independently or have the partners required by the supplied findings.
Conflicts
No configured ingredient conflict was identified; this is a limited interaction check.
Effective doses
All contributing ingredients meet the amount threshold used for this comparison, which is not a proven vision-support dose.
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Calories | 25 Calorie(s) | |
Total Fat | 2 Gram(s) | |
Vitamin C (Ascorbic Acid) | 1000 mg | |
Vitamin D3 (Cholecalciferol) | 50 mcg | |
Zinc (Zinc Glycinate) | 15 mg | |
Black Elderberry fruit extract | 429 mg | |
Total Carbohydrates | 1 Gram(s) | |
Protein | 1 Gram(s) |
European Elder · 429 mg OverallScore85
A serving lists 429 mg of black elderberry fruit extract. The fruit part is identified, while the scientific species is not specified in the available details.
How this ingredient is rated
Composition and Label Disclosure70
The source is identified as black elderberry fruit extract; the scientific species is not identified in the saved details.
Botanical Identity Detail
The source is identified as black elderberry fruit extract; the scientific species is not identified in the saved details.
Composition and Label Disclosure100
The serving lists 429 mg of black elderberry fruit extract.
Actual Preparation Amount Disclosure
The serving lists 429 mg of black elderberry fruit extract.
Commercial Price and Usability
The whole product costs about $0.99 per serving; no elderberry-specific value assessment is provided.
Vitamin C (Ascorbic Acid) · 1000 mg OverallScore52
Each serving supplies 1000 mg of vitamin C as ascorbic acid. The whole-product serving costs about $0.99.
How this ingredient is rated
Active Ingredient Quality & Bioavailability30
The vitamin C is ascorbic acid; no buffering or stomach-friendly claim is recorded in the saved evaluation.
Vitamin C Chemical Form & Delivery System
The vitamin C is ascorbic acid.
Gastric Comfort & pH Balance
No buffering or stomach-friendly claim for vitamin C is recorded in the saved evaluation.
Dose, Safety & Label Transparency91
Each serving supplies 1000 mg of vitamin C. The vitamin C form is identified in the saved facts.
Optimal Dosage Targeting
Each serving supplies 1000 mg of vitamin C.
Purity & Excipient Quality
The available ingredients panel has no additives flagged under the evaluated categories.
Mineral & Source Transparency
The vitamin C amount and ascorbic acid form are recorded; no associated mineral amount is needed for this form.
Value20
Based on the whole-product price, the cost is about $0.99 per gram of vitamin C.
Price per Gram of Vitamin C
Based on the whole-product price, the cost is about $0.99 per gram of vitamin C.
Alternative products
Report alternatives
Sources
Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.
- Elderberry Supplementation Reduces Cold Duration and Symptoms in Air-Travellers: A Randomized, Double-Blind Placebo-Controlled Clinical Trial.
- COVID-19: Is There Evidence for the Use of Herbal Medicines as Adjuvant Symptomatic Therapy?
- Dietary intake and blood concentrations of antioxidants and the risk of cardiovascular disease, total cancer, and all-cause mortality: a systematic review and dose-response meta-analysis of prospective studies.
- Scientific Opinion on the substantiation of a health claim related to vitamin C and increasing non haem iron absorption pursuant to Article 14 of Regulation (EC) No 1924/2006.
- Vitamin C Depletion and All-Cause Mortality in Renal Transplant Recipients.
- Associations of Serum Biomarkers of Fruit and Vegetable Intake With the Risk of Cause-Specific Mortality and All-Cause Mortality: A National Prospective Cohort Study.
- Relation between plasma ascorbic acid and mortality in men and women in EPIC-Norfolk prospective study: a prospective population study. European Prospective Investigation into Cancer and Nutrition.
- Vitamin D supplementation for prevention of mortality in adults.
- Effect of vitamin D on gastrointestinal symptoms and health-related quality of life in irritable bowel syndrome patients: a randomized double-blind clinical trial.
- The impact of vitamin D administration on mortality in COVID-19 patients: a systematic review and meta-analysis of randomized controlled trials.
- Vitamin D Status and Mortality: A Systematic Review of Observational Studies.
- Meta-analysis of long-term vitamin D supplementation on overall mortality.
- Effectiveness of sodium bicarbonate and zinc chloride mouthwashes in the treatment of oral mucositis and quality of life in patients with cancer under chemotherapy.
- Zinc supplementation in young children with acute diarrhea in India.
- Associations of mortality with ocular disorders and an intervention of high-dose antioxidants and zinc in the Age-Related Eye Disease Study: AREDS Report No. 13.
- Effects of zinc and probiotic co-supplementation on inflammation, gastrointestinal symptoms, quality of life, and mood in irritable bowel syndrome patients.
- Effect of zinc sulfate supplementation on premenstrual syndrome and health-related quality of life: Clinical randomized controlled trial.
- Role of Oral Vitamin 'C' on Astigmatic Errors in Phacoemulsification.
- Ascorbic acid metabolites are involved in intraocular pressure control in the general population.
- Nutritional modulation of cataract.