Hair Skin and Nails Plus

Hair Skin and Nails Plus

Douglas Laboratories4.6 (12 ratings)
Format:Capsule Quantity: 100 Capsule(s) · 50 servings
Goals
$39.00 $0.78 per serving

About this product

The blend addresses hair and nail structure from several angles, including horsetail, vitamin C, zinc, iron, magnesium, and gelatin. Vitamin C alongside iron is a coherent pairing, and the horsetail extract amount is substantial.

Actual silica delivery is unknown because the species, plant part, and standardization are not given. Several supporting ingredients are modest, while the small gelatin amount should not be mistaken for a full collagen serving.

It may suit someone who wants a broad capsule blend and has a reason to include iron. Users who do not need iron, avoid soy or gelatin, or want a precisely dosed silica product should consider a more targeted formula.

Who is it for
  • Adults wanting multi-pathway hair and nail support
  • People who have a reason to include iron
  • Users comfortable with soy and animal-derived gelatin
Best for
  • Broad structural nutrient coverage
  • Combining horsetail with minerals
  • Users who prefer capsules over powders

Pros

  • Covers several relevant nutrient pathways
  • Substantial horsetail extract amount
  • Vitamin C is paired with iron

Cons

  • Silica yield is not disclosed
  • Gelatin amount is too small to act like a collagen serving
  • Higher serving cost for uncertain active potency

Warnings

  • Preformed vitamin A may be unsuitable during pregnancy without professional guidance
  • Iron can cause digestive upset and may be inappropriate when iron intake is already adequate or excessive
  • Contains soy and animal-derived gelatin, which may not fit allergies or dietary preferences
  • The manganese amount should be considered alongside other manganese supplements

Product analysis

66 out of 100
A broad hair-and-nail blend with several relevant nutrients, but key amounts and the unstandardized horsetail limit its precision. The inclusion of iron, soy, and gelatin also narrows who it fits.

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

Nutrient quality73

Several useful mineral and vitamin forms create broad structural-nutrient support. High preformed vitamin A and unquantified horsetail silica are the main balance concerns.

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Ingredient transparency74

Active amounts are clearly listed and no proprietary blend hides the supplied doses. Missing daily directions, excipients, and some form or potency details keep disclosure incomplete.

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Customer satisfaction54

The supplied average is strong, but the review base is very small. Specific review comments were not provided, so repeated complaints and purpose-specific experiences cannot be assessed.

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Value for money55

Broad nutrient coverage and useful forms provide some justification for the cost. Premium pricing, limited review confidence, and incomplete horsetail potency reduce competitiveness.

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Format
Capsule
Container
100 Capsule(s)
Per serving
$0.78
Customer rating
4.6 · 12 ratings
Report analysis

Goals

Nail Health
Impact
Lower effect
D+ Ingredient FitF PathwaysF EvidenceA+ Formulation Logic
Horsetail · 325 mg
Study evidence
Horsetail Not classified

No linked studies yet.

Iron Disputed 4 studies
Magnesium Not classified

No linked studies yet.

Zinc No effect 1 study
Hair Health
Impact
Lower effect
D Ingredient FitF PathwaysD EvidenceA Formulation Logic
Zinc · 7.5 mgIron · 7.5 mg
Study evidence
Horsetail Not classified

No linked studies yet.

Iron Disputed 25 studies
Zinc Supportive 22 studies

Ingredients

IngredientAmount per servingScore
Vitamin A (Vitamin A Palmitate)
2250 mcg
Vitamin C Complex (Calcium Ascorbate, Magnesium Ascorbate, Manganese Ascorbate)
62.5 mg
Calcium (Calcium Ascorbate, Calcium Citrate, Calcium Malate)
80 mg
Iron (Ferronyl)
7.5 mg
Magnesium (Magnesium Malate)
55 mg
Zinc Complex (Zinc Ascorbate, Zinc Krebs Cycle Chelates, Zinc Malate)
7.5 mg
Manganese (Manganese Ascorbate)
5 mg
Citrus Bioflavonoids Complex
37.5 mg
PABA
37.5 mg
Horsetail extract
325 mg 29
Lecithin (Soy)
100 mg
Gelatin
75 mg
Gluten Free Adults 18–50
Report overview
Horsetail · 325 mg OverallScore29
F Composition And Label DisclosureF Composition And Label Disclosure
Hair Skin and Nails Plus lists 325 mg of horsetail extract per serving, but the saved facts don't identify its species or plant part. They provide no silica or silicon yield, silica percentage, or extract ratio, leaving silica content unknown. No value comparison is available for horsetail.
How this ingredient is rated

Composition and Label Disclosure24

It names horsetail extract, but the saved facts don't identify a species or plant part or provide silica-yield details.
Marker and Preparation Disclosure
The saved facts don't give a silica or silicon yield, exact silica percentage, or extract ratio, so silica content is unknown.
Horsetail Source Description
The saved facts give only the common name horsetail, without a species or plant part.

Composition and Label Disclosure33

It states 325 mg of horsetail extract per serving and names the source, but gives no silica yield.
Amount and Label Disclosure
No silica yield or exact silica percentage is recorded; extract mass alone doesn't establish silica content.
Individual Preparation Amount Disclosure
The product identifies horsetail extract and states its amount per serving.

Commercial Price and Usability

The saved results provide no value comparison for horsetail.
Loading alternative details
Report alternatives

Sources

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

  1. The Association Between Alopecia Areata and Iron Deficiency Anemia: A Large-Scale Population-Based Case-Control Study.
    Davidovici B; Drutin Y; Ben-Tov A; Mimouni D; Wohl Y · Journal of personalized medicine · 2026
    Case-control study100,203 participantsHair Health forIron
  2. Iron Deficiency and Nonscarring Alopecia in Women: Systematic Review and Meta-Analysis.
    Treister-Goltzman Y; Yarza S; Peleg R · Skin appendage disorders · 2022
    Meta-analysis10,029 participants36 studies pooledHair Health forIron
  3. Comparative Analysis of Postoperative Hair Loss and Micronutrient Deficiencies After One-Anastomosis Gastric Bypass Versus Sleeve Gastrectomy.
    Chinisaz F; Maleki T; Najjari K; Miratashi Yazdi SA · Obesity surgery · 2026
    Cohort study261 participantsHair Health forIron
  4. Assessment of Serum Ferritin Levels in Female Patients With Telogen Effluvium.
    Thamotharan N; Harikumar MV; Sundaram M; Swaminathan A; Rangarajan S · Cureus · 2026
    Cross-sectional study100 participantsHair Health forIron
  5. Diagnosis and treatment of female alopecia: Focusing on the iron deficiency-related alopecia.
    Lin CS; Chan LY; Wang JH; Chang CH · Tzu chi medical journal · 2023
    Cohort study155 participantsHair Health forIron
  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. A pilot iron substitution programme in female blood donors with iron deficiency without anaemia.
    Pittori C; Buser A; Gasser UE; Sigle J; Job S; Rüesch M; Tichelli A; Infanti L · Vox sanguinis · 2011
    Non-randomized trial224 participantsNail Health forIron
  12. Evaluation of nail abnormalities.
    Tully AS; Trayes KP; Studdiford JS · American family physician · 2013
    Narrative reviewNail Health forIron
  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 forIron Nail Health forZinc
  14. Efficacy and tolerability of a biomineral formulation for treatment of onychoschizia: a randomized trial
    Adele Sparavigna, Beatrice Tenconi, Laura La Penna · Clinical, Cosmetic and Investigational Dermatology · 2019
    Randomized trial48 participantsNail Health forIron