Quais Suplementos Capilares
Realmente Funcionam?
Analisamos milhares de estudos clínicos sobre suplementos para crescimento capilar. Cada alegação no HairCited é respaldada por pesquisa revisada por pares do PubMed.
Hair loss and thinning affect millions worldwide. Dozens of supplements claim to help — but which ones have real clinical evidence? We analyze peer-reviewed studies from PubMed to grade every ingredient on a transparent A–D scale, so you can make informed decisions backed by science.
Featured Ingredients
Ácidos graxos ômega-3
fatty_acidAnti-inflammatory eicosanoids reduce perifollicular inflammation; DHA/EPA support scalp lipid barrier.
Biotin
vitaminCofactor for carboxylase enzymes essential for keratin synthesis and fatty acid metabolism in hair follicles.
Ferro
mineralEssential for hemoglobin synthesis; iron deficiency impairs oxygen delivery to hair follicle matrix cells.
Finasteride
pharmaceuticalType II 5-alpha-reductase inhibitor reducing serum and scalp DHT by approximately 70%.
Minoxidil
pharmaceuticalVasodilator that opens potassium channels, increasing blood flow to follicles and prolonging anagen phase.
Nutrafol
multi_ingredientMulti-target approach: ashwagandha (stress), saw palmetto (DHT), curcumin (inflammation), tocotrienols (oxidation).
Top Conditions
Alopecia Androgenética
50% of men by age 50, 25% of women by age 50
Alopecia Areata
2% lifetime risk
Perda Capilar de Padrão Feminino
40% of women by age 50
Telogen Effluvium
Second most common cause of hair loss
Recent Evidence Updates
45 estudos
45 estudos
38 estudos
38 estudos
89 estudos
Popular Comparisons
Latest Research
J Clin Sleep Med · 2017
Clinical Practice Guideline for the Pharmacologic Treatment of Chronic Insomnia in Adults: An American Academy of Sleep Medicine Clinical Practice Guideline.
Nature · 2010
Genome-wide association study in alopecia areata implicates both innate and adaptive immunity.
Annu Rev Nutr · 2004
Secular trends in dietary intake in the United States.
J Am Acad Dermatol · 1998
Finasteride in the treatment of men with androgenetic alopecia. Finasteride Male Pattern Hair Loss Study Group.
Endocrine · 2017
Androgenetic alopecia: a review.
J Am Acad Dermatol · 2002
A randomized clinical trial of 5% topical minoxidil versus 2% topical minoxidil and placebo in the treatment of androgenetic alopecia in men.
Guides & Resources
Managing Age-Related Hair Thinning: Supplement Options
Age-related hair thinning is a nearly universal experience, yet it remains one of the least discussed forms of hair change compared to conditions like androgenetic …
lifestyleHow Stress Affects Your Hair: Evidence-Based Management
The link between stress and hair loss has been recognized for centuries, but only in recent decades has science begun to elucidate the specific biological …
lifestyleAnti-Inflammatory Supplements for Scalp Health
Inflammation is increasingly recognized as a contributing factor in multiple forms of hair loss, from the perifollicular microinflammation that accompanies androgenetic alopecia to the overt …
Evidence Grading System
Every supplement claim on this site is graded on an A–D scale based on peer-reviewed clinical research from PubMed. Our algorithm evaluates study design (RCTs rank highest), consistency of results, sample sizes, and the overall body of evidence. No manufacturer sponsorship influences our grades.
Multiple randomized controlled trials (RCTs) or meta-analyses with consistent positive results and large sample sizes.
At least one RCT with mostly consistent results across studies. Evidence suggests benefit but more research may be needed.
Small studies or observational data with some positive signals. Promising but insufficient for strong recommendations.
In vitro studies, case reports, or pilot studies only. Early-stage research that requires clinical validation.
How It Works
Sem anúncios. Sem rankings patrocinados. Apenas ciência.
Hub de pesquisa
Pesquisamos no PubMed cada estudo clínico sobre ingredientes de suplementos.
Extração
Extraímos as principais conclusões — dimensões das amostras, tipos de estudo e resultados.
Graus A a F
Classificamos a evidência como uma caderneta escolar — de A (forte) a F (negativo).
Resposta clara
Obtenha uma resposta clara em segundos — este suplemento realmente funciona?
Cited Health Network
Explore evidence-based research across multiple health domains.
Evidence-based sleep supplement reviews. Every claim backed by peer-reviewed res
GutCitedEvidence-based gut health supplement reviews. Every claim about probiotics, preb
ImmuneCitedEvidence-based immune supplement reviews. Every claim about vitamin C, zinc, eld
BrainCitedEvidence-based brain and cognitive supplement reviews. Every claim about nootrop
WeightCitedEvidence-based weight management supplement reviews. Every claim about green tea
HeartCitedEvidence-based cardiovascular supplement reviews. Every claim about omega-3, CoQ
SkinCitedEvidence-based skin health supplement reviews. Every claim about collagen, vitam
Aviso Legal da FDA: Estas declarações não foram avaliadas pela Food and Drug Administration. Os produtos e informações neste site não se destinam a diagnosticar, tratar, curar ou prevenir qualquer doença. As notas de evidência apresentadas são baseadas em nossa análise de pesquisas revisadas por pares publicadas e não constituem aconselhamento médico. Sempre consulte seu profissional de saúde antes de iniciar qualquer regime de suplementação.