Immufight Maximum Daily Defense

Immufight Maximum Daily Defense

Solaray4.8 (1,469 ratings)
Format:Capsule Quantity: 90 VegCap(s) · 30 servings
Goals
$22.79 $0.75 per serving

About this product

Vitamin C, zinc, vitamin D and selenium provide the clearest nutritional roles. Zinc at 25 mg uses citrate, a favorable source, while vitamin D is reported as a 62 mcg serving across repeated descriptions rather than additive amounts. The formula may help meet nutrient needs involved in normal immune function, without establishing added protection once needs are met.

The 1,000 mg vitamin C serving uses calcium strontium ascorbate. Separate calcium and strontium amounts are not stated, so their mineral contributions cannot be determined. Monolaurin at 150 mg adds a named ingredient, but the supplied findings do not establish an effective oral immune regimen from it.

The probiotic entry gives a weight without enough strain or viable-count detail to judge its contribution. Other small plant additions do not establish stronger combined benefits, and the tiny rose hip amount does not reproduce the preparation associated with joint findings. The relatively high cost for vitamin C, zinc and monolaurin limits value if basic nutrient support is the goal.

Who is it for
  • Adults seeking several immune-related nutrients together who accept uncertainty about the added monolaurin and probiotic.
Best for
  • Combined vitamin C, vitamin D, zinc and selenium intake when dietary needs justify them.

Pros

  • Zinc citrate is a favorable source for absorption.
  • Main nutrient and additional ingredient amounts are disclosed.
  • Vitamin D and selenium add distinct nutritional contributions.

Cons

  • Calcium and strontium amounts within the vitamin C source are not stated.
  • The probiotic weight does not establish strain identity or viable count.
  • The monolaurin serving does not establish a useful oral immune regimen.
  • Relatively high cost for several of the main ingredients.

Warnings

  • The 25 mg zinc serving adds substantially to dietary and supplemental zinc; count all sources before combining it with other zinc products against the adult 40 mg daily upper limit.

Product analysis

54 out of 100

Immufight Maximum Daily Defense combines vitamins and minerals to support normal immune function, especially when intake is low.

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

Nutrient Quality43

Zinc citrate offers favorable absorption quality, while the selenium form has more moderate support. Several other preparations remain too loosely described for a close quality comparison.

Ingredient Transparency65

Amounts are stated, but only some ingredient forms are identified. The vitamin D entries also omit their relative contributions.

Value For Money27

The full serving cost offers weak value for the vitamin C, selenium and monolaurin supplied. Value for several other ingredients remains uncertain, making the whole combination harder to compare.

Customer Satisfaction85

Customer feedback is strongly positive across a large review base. The number of reviews makes the satisfaction pattern less dependent on a few individual experiences.

Product Focus63

The clearest purpose is supporting normal immune nutrition. The wider skin, hair and other aims mainly reflect normal nutrient roles, without established extra benefits when intake is adequate.

Format
Capsule
Container
90 VegCap(s)
Per serving
$0.75
Customer rating
4.8 · 1,469 ratings
Report analysis

Goals

Immunity
Impact
Highest effect
B Ingredient FitA+ PathwaysA+ EvidenceA+ Formulation Logic
Vitamin C · 1000 mgZinc · 25 mgVitamin D · 62 mcgMonolaurin · 150 mgSelenium · 110 mcg
Study evidence
Monolaurin Not classified 1 study
Selenium Mixed 37 studies
Vitamin C Supportive 53 studies
Vitamin D Supportive 85 studies
Zinc Supportive 73 studies
Everyday Health
Impact
High effect
B- Ingredient FitB+ PathwaysB+ EvidenceA+ Formulation Logic
Vitamin D · 62 mcgSelenium · 110 mcgZinc · 25 mgVitamin C · 1000 mg
Study evidence
Selenium Supportive 70 studies
Vitamin C Supportive 56 studies
Vitamin D Supportive 115 studies
Zinc Supportive 60 studies
Impact
High effect
C+ Ingredient FitF PathwaysA EvidenceA+ Formulation Logic
Zinc · 25 mgVitamin D · 62 mcg
Study evidence
Selenium No effect 16 studies
Vitamin D Supportive 56 studies
Zinc Disputed 7 studies
Impact
Highest effect
B- Ingredient FitB+ PathwaysA EvidenceA+ Formulation Logic
Vitamin D · 62 mcgVitamin C · 1000 mg
Study evidence
Selenium Supportive 34 studies
Vitamin C Supportive 50 studies
Vitamin D Supportive 101 studies
Zinc Supportive 64 studies
Impact
High effect
B- Ingredient FitC- PathwaysB+ EvidenceA+ Formulation Logic
Vitamin D · 62 mcg
Study evidence
Selenium Supportive 27 studies
Vitamin C Supportive 30 studies
Vitamin D Supportive 50 studies
Zinc Supportive 10 studies
Hair Health
Impact
High effect
B- Ingredient FitC PathwaysA+ EvidenceA+ Formulation Logic
Vitamin D · 62 mcgZinc · 25 mgVitamin C · 1000 mg
Study evidence
Selenium Disputed 7 studies
Vitamin D Disputed 34 studies
Zinc Supportive 22 studies

Ingredients

IngredientAmount per servingScore
Total Carbohydrates
1 Gram(s)
Vitamin C (Calcium Strontium Ascorbate)
1000 mg 70
Vitamin D (Cholecalciferol, Vitamin D3)
62 mcg
Zinc (Zinc Citrate)
25 mg 65
Selenium (Selenomethionine)
110 mcg 58
Bioflavonoid Concentrate (Citrus)
12 mg
Bacillus coagulans
10 mg
Acerola Cherry Juice, Powder
4 mg
Rose Hip
4 mg
Grapefruit seed extract
150 mg
Acacia Gum
75 mg
Monolaurin (Glyceryl Monolaurate)
150 mg 54
Gluten Free Adults 18–50 Vegan Dairy Free Women Vegetarian
Report overview
B+ Active Ingredient Quality & BioavailabilityC+ Dose, Safety & Label TransparencyF Value
+2
Each serving provides 25 mg of zinc at a high cost per serving. It uses Zinc Citrate. The copper amount is unknown, so the zinc-to-copper balance is unclear.
How this ingredient is rated

Active Ingredient Quality & Bioavailability80

It uses Zinc Citrate.
Zinc Form Bioavailability
It uses Zinc Citrate.

Dose, Safety & Label Transparency67

A serving provides 25 mg of zinc. The copper amount is unknown, so the zinc-to-copper balance is unclear.
Elemental Dose Transparency
The elemental zinc amount and source are stated.
Zinc Dosage Safety & Effectiveness
A serving provides 25 mg of zinc.
Zinc-to-Copper Mineral Balance
The copper amount is unknown, so the zinc-to-copper balance is unclear.

Value30

The cost per serving is high.
Price Per Serving Efficiency
The cost per serving is high.
B+ Active Ingredient Quality & BioavailabilityB+ Dose, Safety & Label TransparencyF Value
Each serving provides 1000 mg of vitamin C, a substantial amount, at a high cost per gram based on the full product price. It uses calcium strontium ascorbate, a mineral ascorbate form. The associated mineral amounts are not disclosed.
How this ingredient is rated

Active Ingredient Quality & Bioavailability83

Calcium strontium ascorbate is a buffered mineral form.
Vitamin C Chemical Form & Delivery System
It uses calcium strontium ascorbate, a mineral ascorbate form.
Gastric Comfort & pH Balance
Calcium strontium ascorbate is a mineral ascorbate, a buffered form.

Dose, Safety & Label Transparency83

The serving provides 1000 mg of vitamin C, and the amount and source is stated. No flagged sweeteners or artificial colors are identified in the other-ingredient panel.
Optimal Dosage Targeting
A serving supplies 1000 mg of vitamin C, a substantial amount.
Purity & Excipient Quality
The other-ingredient panel has no flagged sweeteners or artificial colors.
Mineral & Source Transparency
The vitamin C amount and source are stated, but associated mineral amounts are not disclosed.

Value20

The full product price gives a high cost per gram of vitamin C.
Price per Gram of Vitamin C
The full product price gives a high cost per gram of vitamin C.
D+ Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyF Value
+2
A serving provides 110 mcg of selenium, with a high full-product cost per 200 mcg. The amount can contribute to daily support. The selenium is listed as Selenomethionine.
How this ingredient is rated

Active Ingredient Quality & Bioavailability53

The label names Selenomethionine without a more specific branded form or L isomer.
Selenium Chemical Form
The selenium is listed as Selenomethionine.
Form Transparency & Isomer Specificity
The label names Selenomethionine without a more specific branded form or L isomer.

Dose, Safety & Label Transparency88

110 mcg per serving can contribute to daily maintenance. It is below the upper intake level.
Dosage Efficacy Sweet Spot
110 mcg per serving can contribute to daily maintenance.
Safety Margin & UL Adherence
110 mcg per serving is below the 400 mcg upper intake level, leaving room for selenium from food.

Value10

The full product price is high when compared per 200 mcg of selenium.
Price per 200 mcg Serving
The full product price is high when compared per 200 mcg of selenium.
Report alternatives

Sources

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

  1. Associations of selenium status with all-cause and cause-specific mortality: a systematic review and meta-analysis of cohort studies.
    Cui Z; Xie R; Lu X; Schomburg L; Brenner H; Schöttker B · Redox biology · 2025
    Meta-analysis95 participants20 studies pooledEveryday Health forSelenium
  2. Dietary Antioxidants, Circulating Antioxidant Concentrations, Total Antioxidant Capacity, and Risk of All-Cause Mortality: A Systematic Review and Dose-Response Meta-Analysis of Prospective Observational Studies.
    Jayedi A; Rashidy-Pour A; Parohan M; Zargar MS; Shab-Bidar S · Advances in nutrition (Bethesda, Md.) · 2019
    Meta-analysis507,251 participants41 studies pooledEveryday Health forSelenium
  3. The efficacy and safety of selenium supplementation versus placebo in the treatment of Graves' orbitopathy: A systematic review and meta-analysis of randomised controlled trials.
    Sharabati I; Qafesha RM; Hindawi MD; Amro S; Ayesh BM · Clinical endocrinology · 2024
    Meta-analysis4 studies pooledEveryday Health Eye Health forSelenium
  4. Associations of plasma metal concentrations with the risks of all-cause and cardiovascular disease mortality in Chinese adults.
    Shi L; Yuan Y; Xiao Y; Long P; Li W; Yu Y; Liu Y; Liu K; Wang H; Zhou L; Yang H; Li X; He M; Wu T · Environment international · 2021
    Cohort study6,155 participantsEveryday Health forSelenium
  5. Updates on clinical studies of selenium supplementation in radiotherapy.
    Puspitasari IM; Abdulah R; Yamazaki C; Kameo S; Nakano T; Koyama H · Radiation oncology (London, England) · 2015
    Systematic review16 studies pooledEveryday Health forSelenium
  6. 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.
    Aune D; Keum N; Giovannucci E; Fadnes LT; Boffetta P; Greenwood DC; Tonstad S; Vatten LJ; Riboli E; Norat T · The American journal of clinical nutrition · 2019
    Meta-analysis69 studies pooledEveryday Health forVitamin C
  7. 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.
    EFSA Panel on Dietetic Products, Nutrition and Allergies (NDA) · EFSA journal. European Food Safety Authority · 2026
    Guideline / consensusEveryday Health forVitamin C
  8. Vitamin C Depletion and All-Cause Mortality in Renal Transplant Recipients.
    Sotomayor CG; Eisenga MF; Gomes Neto AW; Ozyilmaz A; Gans ROB; Jong WHA; Zelle DM; Berger SP; Gaillard CAJM; Navis GJ; Bakker SJ · Nutrients · 2018
    Cohort study598 participantsEveryday Health forVitamin C
  9. 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.
    Pu L; Zhang R; Wang X; Zhao T; Sun H; Han L · Frontiers in nutrition · 2022
    Cohort study12,530 participantsEveryday Health forVitamin C
  10. 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.
    Khaw KT; Bingham S; Welch A; Luben R; Wareham N; Oakes S; Day N · Lancet (London, England) · 2001
    Cohort study19,496 participantsEveryday Health forVitamin C
  11. Vitamin D supplementation for prevention of mortality in adults.
    Bjelakovic G; Gluud LL; Nikolova D; Whitfield K; Wetterslev J; Simonetti RG; Bjelakovic M; Gluud C · The Cochrane database of systematic reviews · 2014
    Meta-analysis95,286 participants159 studies pooledEveryday Health forVitamin D
  12. Effect of vitamin D on gastrointestinal symptoms and health-related quality of life in irritable bowel syndrome patients: a randomized double-blind clinical trial.
    Abbasnezhad A; Amani R; Hajiani E; Alavinejad P; Cheraghian B; Ghadiri A · Neurogastroenterology and motility · 2018
    Randomized trial90 participantsEveryday Health forVitamin D
  13. The impact of vitamin D administration on mortality in COVID-19 patients: a systematic review and meta-analysis of randomized controlled trials.
    Kow CS; Ramachandram DS; Hasan SS; Wong Z; Thiruchelvam K · Inflammopharmacology · 2024
    Meta-analysis2,495 participants19 studies pooledEveryday Health forVitamin D
  14. Vitamin D Status and Mortality: A Systematic Review of Observational Studies.
    Heath AK; Kim IY; Hodge AM; English DR; Muller DC · International journal of environmental research and public health · 2019
    Systematic review84 studies pooledEveryday Health forVitamin D
  15. Meta-analysis of long-term vitamin D supplementation on overall mortality.
    Zheng Y; Zhu J; Zhou M; Cui L; Yao W; Liu Y · PloS one · 2014
    Meta-analysis42 studies pooledEveryday Health forVitamin D
  16. Effectiveness of sodium bicarbonate and zinc chloride mouthwashes in the treatment of oral mucositis and quality of life in patients with cancer under chemotherapy.
    Mohammadi F; Oshvandi K; Kamallan SR; Khazaei S; Ranjbar H; Ahmadi-Motamayel F; Gillespie M; Jenabi E; Vafaei SY · Nursing open · 2022
    Randomized trial144 participantsEveryday Health forZinc
  17. Zinc supplementation in young children with acute diarrhea in India.
    Sazawal S; Black RE; Bhan MK; Bhandari N; Sinha A; Jalla S · The New England journal of medicine · 1995
    Randomized trial937 participantsEveryday Health forZinc
  18. 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.
    Clemons TE; Kurinij N; Sperduto RD; AREDS Research Group · Archives of ophthalmology (Chicago, Ill. : 1960) · 2004
    Randomized trial4,753 participantsEveryday Health forZinc
  19. Effects of zinc and probiotic co-supplementation on inflammation, gastrointestinal symptoms, quality of life, and mood in irritable bowel syndrome patients.
    Rezazadegan M; Soheilipour M; Amani R · Scientific reports · 2026
    Randomized trial84 participantsEveryday Health forZinc
  20. Effect of zinc sulfate supplementation on premenstrual syndrome and health-related quality of life: Clinical randomized controlled trial.
    Siahbazi S; Behboudi-Gandevani S; Moghaddam-Banaem L; Montazeri A · The journal of obstetrics and gynaecology research · 2018
    Randomized trial142 participantsEveryday Health forZinc