Product Image

Zinc Picolinate 25 mg

4.9
★ ★ ★ ★ ★
(714 ratings)
Zinc 25 mg
Product Image
Score82
A strong 25 mg zinc picolinate capsule with clear dosing, though zinc stacking could gradually affect copper balance.
How scoring works
Capsule
Quantity:150 Capsule(s) • (150 servings)
Goals:
Vision Support
Testosterone Support
General Health
Hair Health
Immunity

Score 82

A strong 25 mg zinc picolinate capsule with clear dosing, though zinc stacking could gradually affect copper balance.
How scoring works
$32.50($0.21 per serving)
iHerb
$ 32.50
Pure Formulas
$ 32.50
Report prices

Analysis

The capsule supplies zinc picolinate, a well-absorbed form, at a meaningful daily amount. Clear elemental labeling makes the serving easy to compare.

Calcium and phosphorus are present only as small dicalcium phosphate contributions and do not materially broaden the formula. Copper is absent, although the zinc amount remains below the highest-dose products in the category.

A single capsule and large supply support practical use. The product fits targeted zinc supplementation better than basic low-dose maintenance.

Who is it for
  • Adults seeking a substantial zinc amount
  • Users who prefer picolinate
  • People tracking total zinc intake
Best for
  • Targeted zinc supplementation
  • One-capsule daily use
  • Users prioritizing absorption

Pros

  • Highly absorbable picolinate form
  • Clear 25 mg serving
  • Large-count package

Cons

  • No copper included
  • Calcium and phosphorus add little
  • Higher cost than simpler zinc options

Warnings

  • Combining the 25 mg serving with other zinc products may cause nausea or impair copper balance over time.

Nutrient quality

83 Highest impact

The picolinate form and substantial zinc amount provide strong nutrient quality. Small calcium and phosphorus additions are low-value, but the zinc dose remains reasonably balanced.

Ingredient transparency

84 Highest impact

All active amounts and sources are individually disclosed without a hidden blend. Inactive ingredients and complete use directions remain absent.

Customer satisfaction

71 High impact

Aggregate customer metrics indicate strong satisfaction from a large sample. Missing feedback details prevent judging repeated complaints or whether experiences match the intended use.

Value for money

86 Highest impact

A premium zinc form and long supply provide strong value. Minor low-value mineral additions do not materially inflate the formula.

Report analysis

Goals

Vision Support
Impact
Highest effect
B+ Goal FitA+ Strength of SupportC- CoverageA+ Formula Quality
Zinc · 25 mg

Natural astaxanthin provides targeted retinal antioxidant support and may help eye strain linked to prolonged screen use. Human evidence is promising for visual fatigue but less comprehensive than multi-nutrient macular formulas.

The algae source and substantial amount are clearly disclosed in a fat-containing softgel. The focused formula offers strong antioxidant depth but does not cover macular pigments, minerals, or omega fatty acids.

Testosterone Support
Impact
Highest effect
B+ Goal FitA+ Strength of SupportC- CoverageA+ Formula Quality
Zinc · 25 mg

Zinc picolinate provides a highly absorbable dose that may support testosterone when zinc status is low. Evidence does not show a reliable boost in people who already have adequate zinc.

The capsule is focused, clearly quantified, and uses a preferred mineral form. Long-term daily use without copper may gradually reduce copper status.

Study evidence
Zinc Disputed 7 studies
General Health
Impact
Highest effect
A- Goal FitA Strength of SupportC- CoverageA Formula Quality
Zinc · 25 mg

Zinc picolinate provides focused immune and enzyme support in a well-absorbed form. The 25 mg amount is clearly stated and meaningful.

The formula does not address other common nutrient gaps and includes no copper. Long-term use alongside other zinc sources should account for total intake and mineral balance.

Study evidence
Zinc Supportive 60 studies
Hair Health
Impact
High effect
B- Goal FitA+ Strength of SupportD+ CoverageB+ Formula Quality
Zinc · 25 mg

Zinc at 25 mg can correct deficiency-related shedding and supports follicle cell division and protein synthesis. Extra zinc is unlikely to improve hair when status is adequate.

The amount is substantial and the chemical form is clearly disclosed. Prolonged daily use at this amount can reduce copper absorption and contribute to copper deficiency.

Study evidence
Zinc Supportive 22 studies
Immunity
Impact
High effect
A Goal FitB Strength of SupportD+ CoverageB Formula Quality
Zinc · 25 mg

Zinc supports foundational immune, enzyme, antioxidant, and tissue-repair functions. The formula focuses mainly on zinc-dependent pathways, with limited added mineral breadth.

The 50 mg zinc amount exceeds the adult tolerable upper intake level and is poorly suited to routine long-term use. A daily 50 mg zinc amount exceeds the adult upper limit and may cause nausea or copper deficiency with extended use.

Study evidence
Zinc Supportive 73 studies
Skin Health
Impact
Moderate effect
D+ Goal FitB+ Strength of SupportD- CoverageB- Formula Quality
Zinc · 25 mg

Zinc picolinate provides a well-absorbed mineral involved in normal skin integrity and repair processes. The active form and amount are clearly disclosed.

The 25 mg serving is substantial and may be more than needed for long-term use when dietary zinc is already adequate. No copper, collagen, vitamin C, hydration active, or targeted antioxidant broadens the formula.

Study evidence
Zinc Supportive 66 studies

Ingredients

IngredientAmount per serving
Calcium (Dicalcium Phosphate)
36 mg
Phosphorus (Dicalcium Phosphate)
28 mg
Zinc (Zinc Picolinate)
25 mg
Gluten Free Adults 18–50 Dairy Free
Report overview
A+ Active Ingredient Quality & BioavailabilityA Dose, Safety & Label TransparencyB+ Value

Zinc picolinate provides a highly absorbable form at a well-targeted 25 mg dose. The elemental amount and source are clear, while the single capsule keeps use simple. Copper is not included, but the dose remains below the level where the stated balance rule raises major concern.

Loading alternative details
Report alternatives

Sources

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

  1. 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
  2. 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
  3. 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
  4. 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
  5. 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
  6. 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
  7. 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
  8. 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
  9. 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
  10. 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
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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
  16. Sex-related differences in response to zinc pyrithione shampoo vs. non-anti-dandruff shampoo.
    Collins LZ; Baines FL; Matheson JR; Turner GA; Diao Y; Li Y; Pi Y · International journal of cosmetic science · 2019
    Meta-analysis2,088 participants20 studies pooledSkin Health forZinc
  17. Maintenance of an Acidic Skin Surface with a Novel Zinc Lactobionate Emollient Preparation Improves Skin Barrier Function in Patients with Atopic Dermatitis.
    Andrew PV; Pinnock A; Poyner A; Brown K; Chittock J; Kay LJ; Cork MJ; Danby SG · Dermatology and therapy · 2024
    Cohort study23 participantsSkin Health forZinc
  18. Spatial expression of metallothionein, matrix metalloproteinase-1 and Ki-67 in human epidermal wounds treated with zinc and determined by quantitative immunohistochemistry: A randomised double-blind trial.
    Ågren MS; Chafranska L; Eriksen JO; Forman JL; Bjerrum MJ; Schjerling P; Larsen HF; Cottarelli E; Jorgensen LN; Gjerdrum LMR · European journal of cell biology · 2021
    Randomized trial30 participantsSkin Health forZinc
  19. A pilot trial using topical regular crystalline insulin vs. aqueous zinc solution for uncomplicated cutaneous wound healing: Impact on quality of life.
    Attia EA; Belal DM; El Samahy MH; El Hamamsy MH · Wound repair and regeneration : official publication of the Wound Healing Society [and] the European Tissue Repair Society · 2014
    Randomized trial90 participantsSkin Health forZinc
  20. Evidence-Based Nutritional Interventions in Wound Care.
    Saeg F; Orazi R; Bowers GM; Janis JE · Plastic and reconstructive surgery · 2021
    Systematic review2,339 participants36 studies pooledSkin Health forZinc
  21. 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
  22. 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
  23. 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
  24. Clinical, endocrinological and biochemical effects of zinc deficiency.
    Prasad AS · Clinics in endocrinology and metabolism · 1986
    Narrative reviewTestosterone Support forZinc
  25. Clinical, endocrinologic, and biochemical effects of zinc deficiency.
    Prasad AS · Special topics in endocrinology and metabolism · 1986
    Narrative reviewTestosterone Support forZinc