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Immune Defense Natural Mixed Berry

4.4
★ ★ ★ ★ ★
(202 ratings)
Potassium 235 mg
Zinc 20 mg
Product Image
Score63
A useful zinc amount and citrate forms are positives, but the undisclosed superfoods blend leaves most of the formula impossible to evaluate.
How scoring works
Powder
Quantity:11 Liquid(s) • (40 servings)
Goals:
Immunity
Hair Health
General Health
Testosterone Support

Score 63

A useful zinc amount and citrate forms are positives, but the undisclosed superfoods blend leaves most of the formula impossible to evaluate.
How scoring works
$14.75($0.36 per serving)
iHerb
$ 14.99
Walmart
$ 14.75
Vitacost
$ 14.99
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Analysis

Zinc citrate is supplied at a useful amount, with small additions of magnesium citrate and potassium citrate. Two grams of fiber may also add a modest digestive contribution.

The large Immunity Superfoods blend does not disclose its individual ingredients or amounts in the supplied data. That omission prevents a reliable assessment of effectiveness, tolerability, or overlap with other supplements.

The flavored liquid may suit people who dislike tablets and mainly want zinc. Anyone buying it for the superfoods portion should consider a product with a fully itemized label instead.

Who is it for
  • People who prefer a flavored liquid
  • Adults seeking zinc without swallowing tablets
  • Users comfortable with a partially disclosed blend
Best for
  • Zinc supplementation
  • Liquid-format mineral intake
  • Modest fiber and potassium support

Pros

  • Uses citrate forms for the disclosed minerals
  • Provides 20 mg of zinc
  • Liquid format can be easier to take

Cons

  • Superfoods blend ingredients are not itemized
  • Magnesium amount is small
  • Most formula value cannot be assessed

Warnings

  • The 20 mg zinc amount may cause nausea on an empty stomach and should not be stacked routinely with other high-zinc products.
  • Two grams of fiber may cause gas or digestive discomfort when first introduced.
  • The undisclosed superfoods blend makes it difficult for people with food allergies or ingredient sensitivities to screen the formula.

Nutrient quality

74 High impact

Ingredient forms are mixed but generally usable. Opaque or token additions reduce formula focus.

.

Ingredient transparency

51 Moderate impact

Important active amounts remain unavailable. Opaque blends are the main disclosure weakness.

.

Customer satisfaction

58 Moderate impact

The supplied average is generally favorable and rests on a limited review count. No review text was provided to assess recurring complaints or firsthand experiences.

.

Value for money

70 High impact

Serving efficiency is reasonable for the disclosed formula. Opaque or low-value additions weaken competitiveness.

.
Report analysis

Goals

Immunity
Immunity
Impact
High effect
B+ Goal FitB Strength of SupportC CoverageC Formula Quality
Magnesium · 21 mgZinc · 20 mg

Zinc citrate supplies a well-absorbed immune mineral at a useful 20 mg amount. Magnesium and potassium contribute little direct immune support at their listed amounts.

The large superfood blend may contain relevant botanicals, but hidden ingredients and individual doses prevent a reliable assessment. The formula therefore has solid zinc depth but uncertain breadth and considerable blend padding.

Study evidence
Magnesium Supportive 8 studies
Zinc Supportive 73 studies
Hair Health
Hair Health
Impact
High effect
B Goal FitB+ Strength of SupportD+ CoverageC- Formula Quality
Zinc · 20 mg

Zinc citrate supplies a relevant nutrient for follicle cell division and may help hair when zinc intake is inadequate. Magnesium, potassium, fiber, and the superfood blend do not add clear targeted support for growth or shedding.

The zinc amount and form are useful, but the broad blend prevents ingredient-level assessment of most of the formula. Its strength is a single mineral pathway rather than comprehensive hair support.

Study evidence
Zinc Supportive 22 studies
General Health
General Health
Impact
High effect
B Goal FitB Strength of SupportC CoverageC- Formula Quality
Magnesium · 21 mgZinc · 20 mg

Zinc citrate provides a useful maintenance amount for immune readiness and enzyme function. Magnesium, potassium, fiber, and a superfood blend broaden the formula, but most of that blend is not individually disclosed.

The drink mix supports several wellness pathways yet offers uneven depth beyond zinc. Missing copper is a modest limitation for sustained use, while the partly hidden blend reduces confidence in the supporting actives.

Study evidence
Magnesium Supportive 114 studies
Zinc Supportive 60 studies
Testosterone Support
Testosterone Support
Impact
Moderate effect
C+ Goal FitC+ Strength of SupportD+ CoverageD- Formula Quality
Magnesium · 21 mgZinc · 20 mg

Zinc supports testosterone synthesis when deficiency limits endocrine function. Human evidence is strongest for zinc-deficient users, while the superfood blend offers no clear direct evidence for testosterone.

The 20 mg zinc amount is meaningful, but magnesium is too low to add focused endocrine support. Zinc citrate is a good form, while the large superfood blend hides its individual ingredients and amounts.

Study evidence
Magnesium Disputed 5 studies
Zinc Disputed 7 studies

Ingredients

IngredientAmount per serving
Calories
15 Calorie(s)
Total Carbohydrates
3 Gram(s)
Dietary Fiber
2 Gram(s)
Zinc (Zinc Citrate)
 20 mg
Magnesium (Magnesium Citrate)
 21 mg
Potassium (Potassium Citrate)
 235 mg
Immunity Superfoods
3207 mg
Gluten Free Adults 18–50 Vegan Vegetarian
Report overview
Potassium (Potassium Citrate) · 235 mg OverallScore79
A+ Active Ingredient Quality & BioavailabilityC Dose, Safety & Label TransparencyB- Value

Potassium citrate is a preferred, well-absorbed form with useful buffering properties. The 235 mg amount provides moderate support but remains below the collection median. Its low serving cost supports good value despite the modest dose.

View ingredientView products
Zinc (Zinc Citrate) · 20 mg OverallScore78
B Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyC Value

Citrate supplies an effective maintenance-range zinc dose in a drink mix. The zinc amount is clearly stated and remains below the upper limit, though copper is not included. A moderately elevated serving cost and a partly undisclosed superfood blend reduce transparency and value.

View ingredientView products
Loading alternative details
87 Performance

Zinc Picolinate 22 mg

Solgar
<p>Picolinate offers strong absorption potential at a useful maintenance amount. The fully disclosed active and form are easier to assess than the original hidden blend, but the option targets zinc or potassium rather than both.</p>
87 Performance

Potassium Bicarbonate 1.3 g

Nutricost
<p>Potassium bicarbonate provides a well-absorbed, alkalizing form at a meaningful amount in a simple powder. The fully disclosed active and form are easier to assess than the original hidden blend, but the option targets zinc or potassium rather than both.</p>
83 Performance

Zinc 30 mg

Nature's Life
<p>Zinc picolinate with copper provides a coherent, economical mineral-balance formula. The fully disclosed active and form are easier to assess than the original hidden blend, but the option targets zinc or potassium rather than both.</p>
84 Budget

Chewable Zinc plus Vitamins C & B-6 Cherry Flavor

21st Century
<p>A maintenance zinc dose pairs coherently with vitamin C and vitamin B6 at very good serving value. It costs less per serving and avoids the original opaque superfoods blend, but it covers only part of the original zinc-and-potassium profile.</p>
83 Budget

Potassium Citrate

NOW
<p>A meaningful amount of potassium citrate provides strong form quality and excellent serving value. It costs less per serving and avoids the original opaque superfoods blend, but it covers only part of the original zinc-and-potassium profile.</p>
85 Budget

Zinc Chelate 30 mg

Nature's Way
<p>Zinc bisglycinate provides a well-absorbed form at a robust daily amount. It costs less per serving and avoids the original opaque superfoods blend, but it covers only part of the original zinc-and-potassium profile.</p>
85 Value

OptiZinc

Source Naturals
<p>Zinc methionine provides a well-absorbed chelated form at a robust amount, and added copper offers partial balance. Clear active amounts and strong serving value compare favorably with the hidden blend, though the narrower formula may require dietary coverage of the other mineral.</p>
80 Value

Potassium Gluconate Pure Powder

NOW
<p>A moderate amount of potassium gluconate provides focused electrolyte support with excellent serving value. Clear active amounts and strong serving value compare favorably with the hidden blend, though the narrower formula may require dietary coverage of the other mineral.</p>
87 Value

Zinc Picolinate 25 mg

Thompson
<p>Picolinate is a well-absorbed zinc form, and the amount is meaningful without crossing the usual adult upper limit. Clear active amounts and strong serving value compare favorably with the hidden blend, though the narrower formula may require dietary coverage of the other mineral.</p>
Report alternatives

Sources

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

  1. Perioperative systemic magnesium to minimize postoperative pain: a meta-analysis of randomized controlled trials.
    De Oliveira GS; Castro-Alves LJ; Khan JH; McCarthy RJ · Anesthesiology · 2013
    Meta-analysis1,257 participants20 studies pooledGeneral Health forMagnesium
  2. Long-term outcome after intravenous magnesium sulphate in suspected acute myocardial infarction: the second Leicester Intravenous Magnesium Intervention Trial (LIMIT-2).
    Woods KL; Fletcher S · Lancet (London, England) · 1994
    Randomized trial2,316 participantsGeneral Health forMagnesium
  3. Association of magnesium sulfate use with mortality in critically ill patients with sepsis: a retrospective propensity score-matched cohort study.
    Gu WJ; Duan XJ; Liu XZ; Cen Y; Tao LY; Lyu J; Yin HY · British journal of anaesthesia · 2023
    Cohort study10,999 participantsGeneral Health forMagnesium
  4. Hypomagnesemia and Mortality in Incident Hemodialysis Patients.
    Li L; Streja E; Rhee CM; Mehrotra R; Soohoo M; Brunelli SM; Kovesdy CP; Kalantar-Zadeh K · American journal of kidney diseases : the official journal of the National Kidney Foundation · 2016
    Cohort study9,359 participantsGeneral Health forMagnesium
  5. The effects of magnesium supplementation on abnormal uterine bleeding, alopecia, quality of life, and acne in women with polycystic ovary syndrome: a randomized clinical trial.
    Jaripur M; Ghasemi-Tehrani H; Askari G; Gholizadeh-Moghaddam M; Clark CCT; Rouhani MH · Reproductive biology and endocrinology : RB&E · 2022
    Randomized trial64 participantsGeneral Health forMagnesium
  6. 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 participantsGeneral Health forZinc
  7. 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 participantsGeneral Health forZinc
  8. 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 participantsGeneral Health forZinc
  9. 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 participantsGeneral Health forZinc
  10. 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 participantsGeneral Health forZinc
  11. The effects of minoxidil, 1% pyrithione zinc and a combination of both on hair density: a randomized controlled trial.
    Berger RS; Fu JL; Smiles KA; Turner CB; Schnell BM; Werchowski KM; Lammers KM · The British journal of dermatology · 2003
    Randomized trial200 participantsHair Health forZinc
  12. Incubatory environment of the scalp impacts pre-emergent hair to affect post-emergent hair cuticle integrity.
    Schwartz JR; Henry JP; Kerr KM; Flagler MJ; Page SH; Redman-Furey N · Journal of cosmetic dermatology · 2018
    Randomized trialHair Health forZinc
  13. A comparison of hair quality and cosmetic acceptance following the use of two anti-dandruff shampoos.
    Draelos ZD; Kenneally DC; Hodges LT; Billhimer W; Copas M; Margraf C · The journal of investigative dermatology. Symposium proceedings · 2006
    Randomized trial40 participantsHair Health forZinc
  14. BMI and levels of zinc, copper in hair, serum and urine of Turkish male patients with androgenetic alopecia.
    Ozturk P; Kurutas E; Ataseven A; Dokur N; Gumusalan Y; Gorur A; Tamer L; Inaloz S · Journal of trace elements in medicine and biology : organ of the Society for Minerals and Trace Elements (GMS) · 2015
    Case-control study216 participantsHair Health forZinc
  15. Analysis of serum zinc and copper concentrations in hair loss.
    Kil MS; Kim CW; Kim SS · Annals of dermatology · 2013
    Case-control study342 participantsHair Health forZinc
  16. Hypomagnesemia Is a Risk Factor for Infections after Kidney Transplantation: A Retrospective Cohort Analysis.
    Odler B; Deak AT; Pregartner G; Riedl R; Bozic J; Trummer C; Prenner A; Söllinger L; Krall M; Höflechner L; Hebesberger C; Boxler MS; Berghold A; Schemmer P; Pilz S; Rosenkranz AR · Nutrients · 2021
    Cohort study376 participantsImmunity forMagnesium
  17. Higher Intake of Dietary Magnesium Is Inversely Associated With COVID-19 Severity and Symptoms in Hospitalized Patients: A Cross-Sectional Study.
    Nouri-Majd S; Ebrahimzadeh A; Mousavi SM; Zargarzadeh N; Eslami M; Santos HO; Taghizadeh M; Milajerdi A · Frontiers in nutrition · 2022
    Cross-sectional study250 participantsImmunity forMagnesium
  18. Mg2+ regulates cytotoxic functions of NK and CD8 T cells in chronic EBV infection through NKG2D.
    Chaigne-Delalande B; Li FY; O'Connor GM; Lukacs MJ; Jiang P; Zheng L; Shatzer A; Biancalana M; Pittaluga S; Matthews HF; Jancel TJ; Bleesing JJ; Marsh RA; Kuijpers TW; Nichols KE; Lucas CL; Nagpal S; Mehmet H; Su HC; Cohen JI; Uzel G; Lenardo MJ · Science (New York, N.Y.) · 2013
    Single-arm trialImmunity forMagnesium
  19. Effect of magnesium on granulocyte function and on the exercise induced inflammatory response.
    Mooren FC; Golf SW; Völker K · Magnesium research · 2003
    Randomized trialImmunity forMagnesium
  20. Maternal and neonatal outcomes following magnesium sulfate in the setting of chorioamnionitis: a meta-analysis.
    Pergialiotis V; Sapantzoglou I; Rodolaki K; Varthaliti A; Theodora M; Antsaklis P; Thomakos N; Stavros S; Daskalakis G; Papapanagiotou A · Archives of gynecology and obstetrics · 2024
    Meta-analysis6,559 participants8 studies pooledImmunity forMagnesium
  21. Nutrient supplementation for prevention of viral respiratory tract infections in healthy subjects: A systematic review and meta-analysis.
    Vlieg-Boerstra B; de Jong N; Meyer R; Agostoni C; De Cosmi V; Grimshaw K; Milani GP; Muraro A; Oude Elberink H; Pali-Schöll I; Roduit C; Sasaki M; Skypala I; Sokolowska M; van Splunter M; Untersmayr E; Venter C; O'Mahony L; Nwaru BI · Allergy · 2022
    Meta-analysis199,055 participants115 studies pooledImmunity forZinc
  22. Zinc supplementation reduces the incidence of acute lower respiratory infections in infants and preschool children: a double-blind, controlled trial.
    Sazawal S; Black RE; Jalla S; Mazumdar S; Sinha A; Bhan MK · Pediatrics · 1998
    Randomized trial609 participantsImmunity forZinc
  23. A randomized controlled trial of zinc supplementation in the treatment of acute respiratory tract infection in Thai children.
    Rerksuppaphol S; Rerksuppaphol L · Pediatric reports · 2020
    Randomized trial64 participantsImmunity forZinc
  24. The effect of zinc and vitamin A supplementation on immune response in an older population.
    Fortes C; Forastiere F; Agabiti N; Fano V; Pacifici R; Virgili F; Piras G; Guidi L; Bartoloni C; Tricerri A; Zuccaro P; Ebrahim S; Perucci CA · Journal of the American Geriatrics Society · 1998
    Randomized trial136 participantsImmunity forZinc
  25. The role of specific nutrients in preventing immune system and blood cell disorders: an umbrella review.
    Vecchietti A; Strano P; Minutolo G; Grieco V; Cappuccio G; Granvillano G; Confalonieri L; Briganti GL; Raso E; Chimienti M; Pellegrini M; Mercogliano M; Spatari G; Lugli C; Urbano T; Lorenzon A · Journal of preventive medicine and hygiene · 2026
    Systematic review13 studies pooledImmunity forZinc
  26. Magnesium and anabolic hormones in older men.
    Maggio M; Ceda GP; Lauretani F; Cattabiani C; Avantaggiato E; Morganti S; Ablondi F; Bandinelli S; Dominguez LJ; Barbagallo M; Paolisso G; Semba RD; Ferrucci L · International journal of andrology · 2012
    Cohort study399 participantsTestosterone Support forMagnesium
  27. Analysis of the relationship between the blood concentration of several metals, macro- and micronutrients and endocrine disorders associated with male aging.
    Rotter I; Kosik-Bogacka DI; Dołęgowska B; Safranow K; Kuczyńska M; Laszczyńska M · Environmental geochemistry and health · 2017
    Cross-sectional study313 participantsTestosterone Support forMagnesium
  28. Effect of magnesium supplementation in improving hyperandrogenism, hirsutism, and sleep quality in women with polycystic ovary syndrome: A randomized, placebo-controlled clinical trial.
    Gholizadeh-Moghaddam M; Ghasemi-Tehrani H; Askari G; Jaripur M; Clark CCT; Rouhani MH · Health science reports · 2024
    Randomized trial64 participantsTestosterone Support forMagnesium
  29. The effects of trace element supplementation on glycolipid metabolism in PCOS: a systematic review and meta-analysis.
    Yang L; Gao Y; Zhao W; Qi Y; Duo X; Wang H · Frontiers in nutrition · 2025
    Meta-analysis1,600 participants25 studies pooledTestosterone Support forMagnesium
  30. Effects of magnesium supplementation on testosterone levels of athletes and sedentary subjects at rest and after exhaustion.
    Cinar V; Polat Y; Baltaci AK; Mogulkoc R · Biological trace element research · 2011
    Non-randomized trial20 participantsTestosterone Support forMagnesium
  31. Environmental exposure to metals and male reproductive hormones: circulating testosterone is inversely associated with blood molybdenum.
    Meeker JD; Rossano MG; Protas B; Padmanahban V; Diamond MP; Puscheck E; Daly D; Paneth N; Wirth JJ · Fertility and sterility · 2010
    Cross-sectional study219 participantsTestosterone Support forZinc
  32. Nonpharmacological Interventions for the Management of Testosterone and Sperm Parameters: A Scoping Review.
    Santos HO; Cadegiani FA; Forbes SC · Clinical therapeutics · 2022
    Scoping reviewTestosterone Support forZinc
  33. Zinc is an Essential Element for Male Fertility: A Review of Zn Roles in Men's Health, Germination, Sperm Quality, and Fertilization.
    Fallah A; Mohammad-Hasani A; Colagar AH · Journal of reproduction & infertility · 2020
    Narrative reviewTestosterone Support forZinc
  34. Clinical, endocrinological and biochemical effects of zinc deficiency.
    Prasad AS · Clinics in endocrinology and metabolism · 1986
    Narrative reviewTestosterone Support forZinc
  35. Clinical, endocrinologic, and biochemical effects of zinc deficiency.
    Prasad AS · Special topics in endocrinology and metabolism · 1986
    Narrative reviewTestosterone Support forZinc