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Hair Volume

New Nordic
4.4
★ ★ ★ ★ ★
(8327 ratings)
Biotin 3000 mcg
Copper 2 mg
Vitamin B5 20 mg
Methionine
Zinc 15 mg
Horsetail 200 mg
Product Image
Score72
Biotin, zinc, copper, apple procyanidins, millet, horsetail, and methionine create a broad hair-focused formula. Biotin, zinc, copper, apple procyanidins, horsetail, and methionine form a broad hair-and-nail formula, but several supporting ingredients lack strong form or potency details.
How scoring works
Quantity:30 Tablet(s) • (30 servings)
Goals:
Hair Health
Nail Health

Score 72

Biotin, zinc, copper, apple procyanidins, millet, horsetail, and methionine create a broad hair-focused formula. Biotin, zinc, copper, apple procyanidins, horsetail, and methionine form a broad hair-and-nail formula, but several supporting ingredients lack strong form or potency details.
How scoring works

Also available as

1 option
90 servings 1 Tablet(s) • 90 Tablet(s) • 90 servings $51.30 ($0.57 per serving)
$21.21($0.70 per serving)
Vitacost
$ 27.53
Walmart
$ 27.00
Pure Formulas
$ 21.21
iHerb
$ 25.00
Amazon
$ 22.49
Vitacost
$ 27.53
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Analysis

Biotin, zinc, copper, apple procyanidins, millet, horsetail, and methionine create a broad hair-focused formula. Apple procyanidins have some direct human hair data, while most other ingredients support follicles mainly through nutrient or structural pathways.

Biotin, zinc, copper, apple procyanidins, horsetail, and methionine form a broad hair-and-nail formula, but several supporting ingredients lack strong form or potency details. High-dose biotin can interfere with thyroid, cardiac, hormone, and other laboratory tests, so its use should be disclosed before blood work.

Copper and zinc offer limited bone-matrix support, while horsetail could contribute silica only if its active yield were characterized. Evidence for the hair-focused botanicals does not establish meaningful skeletal benefit.

Who is it for
  • Adults seeking Hair Health support
  • People comfortable with a focused tablet formula
  • Users who can review the ingredient list against medicines and existing supplements
Best for
  • Hair Health
  • Nail Health
  • General Health

Pros

  • Biotin, zinc, copper, apple procyanidins, millet, horsetail, and methionine create a broad hair-focused formula
  • Strongest formulation fit is Hair Health
  • Main label amounts are disclosed for Biotin, Pantothenic Acid, Zinc
  • Includes a meaningful Biotin component

Cons

  • Biotin, zinc, copper, apple procyanidins, horsetail, and methionine form a broad hair-and-nail formula, but several supporting ingredients lack strong form or potency details
  • Weak fit for Bone Health
  • Several secondary ingredients add breadth without equally strong dose or form support

Warnings

  • High-dose biotin can interfere with thyroid, cardiac, hormone, and other laboratory tests, so its use should be disclosed before blood work.

Nutrient quality

72 High impact

Hair-focused nutrients and botanicals provide broad structural and follicle support. Basic mineral forms, modest methionine, and concentrated biotin reduce balance.

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Ingredient transparency

80 Highest impact

Most active ingredients and their amounts are clearly listed. Daily directions, a complete excipient panel, and some form details are missing from the supplied data.

.

Customer satisfaction

64 Moderate impact

The aggregate rating is favorable and supported by large feedback volume. Complaint-level experiences are unavailable, so repeated drawbacks and purpose fit remain uncertain.

.

Value for money

67 High impact

The formula offers some useful ingredients but at a relatively high serving cost. Quality, safety, or focus limitations weaken competitiveness.

.
Report analysis

Goals

Hair Health
Hair Health
Impact
Highest effect
B Goal FitB+ Strength of SupportB+ CoverageA- Formula Quality
Biotin · 3000 mcgZinc · 15 mgMethionine · 50 mg

Biotin, zinc, copper, apple procyanidins, millet, horsetail, and methionine create a broad hair-focused formula. Apple procyanidins have some direct human hair data, while most other ingredients support follicles mainly through nutrient or structural pathways.

The formula is well targeted, though zinc oxide is a weaker form and the amino acid amount is modest. The 3,000 mcg biotin amount can interfere with thyroid, cardiac, hormone, and other laboratory tests.

Study evidence
Biotin Supportive 4 studies
Copper Adverse 4 studies
Horsetail Not classified

No linked studies yet.

Zinc Supportive 22 studies
Nail Health
Nail Health
Impact
High effect
A- Goal FitC+ Strength of SupportB+ CoverageB Formula Quality
Biotin · 3000 mcgHorsetail · 200 mgMethionine · 50 mg

Biotin, horsetail, methionine, zinc, and copper directly support keratin production, silica-related structure, and cell growth. Biotin has useful nail evidence, while horsetail and low-dose methionine have less certain clinical support.

Biotin at 3,000 mcg is meaningful, but methionine at 50 mg and unstandardized horsetail provide uncertain structural doses. Amounts are disclosed, though biotin isomer, horsetail silica yield, and the zinc oxide form limit quality confidence. High-dose biotin can interfere with some blood tests, so the testing clinician should be told before laboratory work.

Study evidence
Biotin Supportive 8 studies
Horsetail Not classified

No linked studies yet.

Zinc No effect 1 study
General Health
General Health
Impact
Moderate effect
C- Goal FitB- Strength of SupportC- CoverageC+ Formula Quality
Zinc · 15 mg

Zinc and pantothenic acid contribute to basic nutrient coverage, but the formula is centered on hair support rather than broad wellness. The evidence for the botanical extracts is less established for general physiological maintenance.

The 15 mg zinc amount is useful and paired with copper, yet zinc oxide limits absorption quality. Several botanical and amino-acid ingredients broaden the label without providing equally convincing general-health depth.

Study evidence
Zinc Supportive 60 studies
Immunity
Immunity
Impact
Moderate effect
D+ Goal FitC- Strength of SupportD+ CoverageC+ Formula Quality
Zinc · 15 mg

Zinc reaches the stated immune amount and is paired with copper for mineral balance. The remaining nutrients and botanicals mainly support hair structure rather than immune function.

Zinc oxide is a less absorbable form, and the formula lacks vitamin C, vitamin D, selenium, or other broad immune actives. Its specialized design makes it a weak choice when immunity is the primary goal.

Study evidence
Zinc Supportive 73 studies
Skin Health
Skin Health
Impact
Moderate effect
D Goal FitC Strength of SupportD+ CoverageC+ Formula Quality
Zinc · 15 mgCopper · 2 mg

The formula is directed mainly at hair, with biotin, amino acids, minerals, and apple procyanidins offering indirect skin relevance. It lacks collagen, vitamin C, ceramides, and a dedicated hydration active.

Biotin and botanical amounts are substantial, but zinc oxide and copper sulfate are weaker mineral forms. The high biotin amount can interfere with thyroid and cardiac troponin laboratory tests.

Study evidence
Biotin Supportive 10 studies
Copper Supportive 16 studies
Zinc Supportive 66 studies

Ingredients

IngredientAmount per serving
Biotin
3000 mcg
Pantothenic Acid (D-Calcium Pantothenate)
 20 mg
Zinc (Zinc Oxide)
 15 mg
Copper (Copper Sulfate)
 2 mg
Apple extract (Procyanidin-B2)
 300 mg
Millet extract
250 mg
Horsetail extract
200 mg
L-Methionine
50 mg
Gluten Free Men 18–50 Dairy Free Women
Report overview
Biotin · 3000 mcg OverallScore75
B- Active Ingredient Quality & BioavailabilityB+ Dose, Safety & Label TransparencyC Value

The disclosed amount is well aligned with higher-potency biotin use. The unspecified isomer leaves some uncertainty about active-form verification. The available facts support only a neutral value judgment.

View ingredientView products
Copper (Copper Sulfate) · 2 mg OverallScore62
F Active Ingredient Quality & BioavailabilityA Dose, Safety & Label TransparencyD+ Value
Copper sulfate is an inorganic salt with weaker expected absorption than organic forms. The copper dose matches the collection target and remains well below the daily upper limit. The zinc-to-copper ratio sits slightly outside the preferred range but remains reasonably balanced. The serving cost offers only average copper value. The broader hair-support formula may still provide value beyond copper alone.
View ingredientView products
Vitamin B5 (D-Calcium Pantothenate) · 20 mg OverallScore60
A- Active Ingredient Quality & BioavailabilityD+ Dose, Safety & Label TransparencyF Value

D-calcium pantothenate is a stable, well-absorbed standard form of vitamin B5. The 20 mg serving meets basic needs but falls below a high-potency B5 range. The cost per standardized 500 mg amount is poor for this form and dose.

View ingredientView products
Loading alternative details
68 Performance

Keratin Hair Booster

Reserveage Nutrition
<p>A meaningful keratin amount and high biotin target hair and nail structure more directly than the original’s modest amino-acid support. Basic zinc and copper forms plus a hidden secondary blend reduce transparency.</p>
69 Performance

Longer Stronger Hair & Nails

Applied Nutrition
<p>Biotin, zinc citrate, chelated copper, vitamin C, horsetail, and gotu kola give broad hair-and-nail coverage with useful mineral forms. High biotin can distort laboratory tests, while preformed vitamin A makes pregnancy and supplement stacking important considerations.</p>
74 Performance

Longer Stronger Hair and Nails

Irwin Naturals
<p>Buffered vitamin C, useful mineral forms, biotin, horsetail, amino acids, and flax oil create a more rounded hair-focused formula. The amino acids remain modest and the horsetail lacks a stated silica yield.</p>
78 Budget

Hair Skin & Nails

Nature Made
<p>Biotin, vitamin C, zinc, and copper preserve the original’s beauty-focused nutrient base at lower ongoing cost. Oxide minerals are a quality compromise, and the concentrated biotin can interfere with laboratory tests.</p>
81 Budget

Zinc Plus 25 mg

Nature's Answer
<p>Favorable zinc forms and active vitamin B6 offer focused hair and skin nutrient support for less per serving. It lacks the original’s apple, horsetail, and methionine, and long-term zinc use may still affect copper balance.</p>
79 Budget

Sublingual Liquid B-12 2000 mcg with B-Complex

Solgar
<p>A broad liquid B-complex supplies biotin and pantothenic acid at a lower serving cost, with active riboflavin improving form quality. It is less directly hair-focused because it omits the original’s minerals, apple extract, horsetail, and methionine.</p>
74 Value

Hair Volume

New Nordic
<p>Biotin, apple procyanidins, zinc, copper, horsetail, cysteine, and methionine closely match the original’s purpose while offering better value. Basic mineral forms and concentrated biotin remain practical drawbacks.</p>
75 Value

Longer Stronger Hair and Nails

Irwin Naturals
<p>Useful mineral forms, biotin, horsetail, and supporting amino acids provide strong hair and nail alignment at favorable value. Lysine and proline are modest, and the horsetail does not disclose silica standardization.</p>
75 Value

Skin Nails & Hair 2

MegaFood
<p>Nettle, zinc, biotin, active vitamin B6, and natural vitamin E create a focused beauty formula with good value. It lacks the original’s apple procyanidins and methionine, so the ingredient strategy is somewhat different.</p>
Report alternatives

Sources

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

  1. The effects of zinc supplementation on serum zinc, alkaline phosphatase activity and fracture healing of bones.
    Sadighi A; Roshan MM; Moradi A; Ostadrahimi A · Saudi medical journal · 2009
    Randomized trial60 participantsBone Health forZinc
  2. Excess serum zinc concentration is associated with incident fracture in men: Tehran lipid and glucose study.
    Bahadoran Z; Hadaegh F; Azizi F; Ghasemi A · Scientific reports · 2026
    Cohort study1,968 participantsBone Health forZinc
  3. The association between dietary mineral intake and bone mineral density: a cross-sectional study.
    Wei M; Wei J; Huang S · Journal of health, population, and nutrition · 2025
    Cross-sectional study11,520 participantsBone Health forCopper
  4. Serum copper levels are associated with bone mineral density and total fracture.
    Qu X; He Z; Qiao H; Zhai Z; Mao Z; Yu Z; Dai K · Journal of orthopaedic translation · 2022
    Cross-sectional study722 participantsBone Health forCopper
  5. The Role of Sesbania grandiflora-Derived Biotin and Bambusa arundinacea-Derived Silica Extracts in Promoting Hair, Skin, and Nail Health: A Randomized, Double-Blind, Placebo-Controlled Clinical Study.
    Patel MN; Maheshvari J; Patel N · Cureus · 2025
    Randomized trial105 participantsHair Health Nail Health Skin Health forBiotin
  6. The Infatuation With Biotin Supplementation: Is There Truth Behind Its Rising Popularity? A Comparative Analysis of Clinical Efficacy versus Social Popularity.
    Soleymani T; Lo Sicco K; Shapiro J · Journal of drugs in dermatology : JDD · 2018
    Narrative reviewHair Health forBiotin
  7. 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
  8. Nudging hair shedding by antidandruff shampoos. A comparison of 1% ketoconazole, 1% piroctone olamine and 1% zinc pyrithione formulations.
    Piérard-Franchimont C; Goffin V; Henry F; Uhoda I; Braham C; Piérard GE · International journal of cosmetic science · 2010
    Randomized trial150 participantsHair Health forZinc
  9. Trace element levels in alopecia areata.
    Bhat YJ; Manzoor S; Khan AR; Qayoom S · Indian journal of dermatology, venereology and leprology · 2009
    Case-control study100 participantsHair Health forCopper
  10. UV damage to hair and the effect of antioxidants and metal chelators.
    Millington KR; Marsh JM · International journal of cosmetic science · 2021
    In vitro / ex vivo studyHair Health forCopper
  11. Biotin for the treatment of nail disease: what is the evidence?
    Lipner SR; Scher RK · The Journal of dermatological treatment · 2018
    Narrative reviewNail Health forBiotin
  12. Treatment of brittle fingernails and onychoschizia with biotin: scanning electron microscopy.
    Colombo VE; Gerber F; Bronhofer M; Floersheim GL · Journal of the American Academy of Dermatology · 1991
    Other32 participantsNail Health forBiotin
  13. Vitamins and minerals: their role in nail health and disease.
    Scheinfeld N; Dahdah MJ; Scher R · Journal of drugs in dermatology : JDD · 2007
    Narrative reviewNail Health forZinc Nail Health forBiotin
  14. 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
  15. 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
  16. 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
  17. 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
  18. 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
  19. Low serum biotinidase activity in children with valproic acid monotherapy.
    Schulpis KH; Karikas GA; Tjamouranis J; Regoutas S; Tsakiris S · Epilepsia · 2001
    Clinical trial125 participantsHair Health Skin Health forBiotin
  20. Vitamins A, B, C, and D: A Short Review for the Dermatologist.
    Coerdt KM; Goggins CA; Khachemoune A · Alternative therapies in health and medicine · 2021
    Narrative reviewHair Health forBiotin
  21. Menkes disease and response to copper histidine: An Indian case series.
    Yoganathan S; Sudhakar SV; Arunachal G; Thomas M; Subramanian A; George R; Danda S · Annals of Indian Academy of Neurology · 2022
    Case series4 participantsHair Health forCopper
  22. Preserving fibre health: reducing oxidative stress throughout the life of the hair fibre.
    Marsh JM; Davis MG; Lucas RL; Reilman R; Styczynski PB; Li C; Mamak M; McComb DW; Williams RE; Godfrey S; Navqi KR; Chechik V · International journal of cosmetic science · 2016
    In vitro / ex vivo studyHair Health forCopper
  23. 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
  24. 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
  25. 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
  26. 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
  27. 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
  28. 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
  29. 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
  30. 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
  31. 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
  32. Treatment of brittle nail with a hydroxypropyl chitosan-based lacquer, alone or in combination with oral biotin: A randomized, assessor-blinded trial.
    Chiavetta A; Mazzurco S; Secolo MP; Tomarchio G; Milani M · Dermatologic therapy · 2020
    Randomized trial50 participantsNail Health forBiotin
  33. Evaluation of biophysical skin parameters and hair changes in patients with acne vulgaris treated with isotretinoin, and the effect of biotin use on these parameters.
    Aksac SE; Bilgili SG; Yavuz GO; Yavuz IH; Aksac M; Karadag AS · International journal of dermatology · 2021
    Non-randomized trial60 participantsSkin Health forBiotin
  34. Generalized seborrhoeic dermatitis. Clinical and therapeutic data of 25 patients.
    Messaritakis J; Kattamis C; Karabula C; Matsaniotis N · Archives of disease in childhood · 1976
    Non-randomized trial25 participantsSkin Health forBiotin
  35. Holocarboxylase synthetase deficiency: novel clinical and molecular findings.
    Tammachote R; Janklat S; Tongkobpetch S; Suphapeetiporn K; Shotelersuk V · Clinical genetics · 2010
    Case series4 participantsSkin Health forBiotin
  36. Noninferiority of Copper Dressings Than Negative Pressure Wound Therapy in Healing Diabetic Wounds: A Randomized Clinical Trial.
    Melamed E; Dabbah J; Israel T; Kan I; Pinzur MS; Roth T; Borkow G · Advances in wound care · 2026
    Randomized trialSkin Health forCopper
  37. Improvement of facial skin characteristics using copper oxide containing pillowcases: a double-blind, placebo-controlled, parallel, randomized study.
    Borkow G; Gabbay J; Lyakhovitsky A; Huszar M · International journal of cosmetic science · 2010
    Randomized trial57 participantsSkin Health forCopper
  38. Radially Electrospun Fibrous Membrane Incorporated with Copper Peroxide Nanodots Capable of Self-Catalyzed Chemodynamic Therapy for Angiogenesis and Healing Acceleration of Diabetic Wounds.
    Huang Y; Qi L; Liu Z; Jiang Y; Wang J; Liu L; Li Y; Zhang L; Feng G · ACS applied materials & interfaces · 2023
    Animal experimentSkin Health forCopper
  39. Engineering copper nanoparticle/polysaccharide-immobilized cotton gauze for accelerated healing of Staphylococcus aureus-infected dermal wounds.
    Sahoo M; Banerjee T; Virkar S; Das S; Biswas S; Mitra D · Journal of materials chemistry. B · 2026
    Animal experimentSkin Health forCopper
  40. Stimulation of Healing of Non-Infected Stagnated Diabetic Wounds by Copper Oxide-Impregnated Wound Dressings.
    Melamed E; Rovitsky A; Roth T; Assa L; Borkow G · Medicina (Kaunas, Lithuania) · 2021
    Single-arm trialSkin Health forCopper
  41. 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
  42. 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
  43. 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
  44. 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
  45. 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