Nutrafol para Perda Capilar por Estresse
A Evidências Vários grandes ensaios clínicos mostram de forma consistente benefícios significativos.Baseado em 9 estudos (2 meta-analyses, 2 RCTs) com 2,213 participantes no total. 9/9 estudos mostram efeitos positivos.
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A
Conclusão
Research consistently suggests that Nutrafol may help support hair growth in people experiencing stress-related hair thinning, backed by multiple clinical trials.
- All 9 studies report positive effects on hair growth
- Multi-ingredient formula addresses stress and hair growth pathways simultaneously
- RCTs show improvements in hair density, thickness, and fiber strength
- Most studies are industry-sponsored — independent research would add confidence
Key Study Findings
systematic review
n=1658
Double-blind
Effects of dietary supplements on androgenetic alopecia: a systematic review and network meta-analysis.
Dose: various dietary supplements (Nutrafol, apple extract, tocotrienols, pumpkin seed oil, Cistanche/Lami
vs: Placebo
Efeito: None
None
Cohort Study
n=11276
416 weeks
Dietary folate intake and its association with longitudinal changes in cognition function.
Dose: 50%
vs: None
Outcome: cognitive function
Efeito: None
P = 0.015
População: None
Observational Study
n=75
Dietary Intakes of Folate, Vitamin D and Iodine during the First Trimester of Pregnancy and …
Dose: 5 mg folic acid (higher dose for obesity)
vs: None
Outcome: Dietary and supplementary intake adequacy
Efeito: 96% took folic acid; 26% took 5mg dose
None
População: Pregnant women with obesity (BMI>=30) in UK
review
Nutraceuticals for Androgenetic Alopecia.
Dose: Nutrafol and Viviscal (oral nutraceuticals); doses per product labeling
vs: Placebo
Efeito: None
None
systematic_review_meta_analysis
24 weeks
Hair regrowth treatment efficacy and resistance in androgenetic alopecia: A systematic review and continuous Bayesian …
Dose: ALRV5XR, dutasteride 0.5 mg/day, finasteride 1 mg/day, LLLT, minoxidil 2%/5%, Nutrafol, Viviscal
vs: Placebo
Efeito: Women 24wk: ALRV5XR 30.09, LLLT 16.62, Minoxidil 2% 12.13 THs/cm2. Men: ALRV5XR 21.03, LLLT 18.75, D
statistically significant for
Review
A landscape of micronutrient status in women through the reproductive years: Insights from seven regions …
Dose: None
vs: None
Outcome: None
Efeito: None
None
População: None
Key Statistics
8
Estudos
13009
Participantes
↔
Mixed
A
Nota
Referenced Papers
Effects of dietary supplements on androgenetic alopecia: a systematic review and network meta-analysis.
Systematic Review
Frontiers in nutrition
2025
Clinical nutrition ESPEN
2023
5 citações
Hair regrowth treatment efficacy and resistance in androgenetic alopecia: A systematic review and continuous Bayesian network meta-analysis.
Systematic Review
Frontiers in medicine
2022
14 citações
The Journal of …
2022
9 citações
Nutrients
2022
6 citações
Women's health (London, …
2020
13 citações
Clinical nutrition (Edinburgh, …
2014
18 citações
International journal of …
2006
176 citações
Stroke
2002
Dosage & Usage
mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units
Dosagens Comumente Utilizadas
- hairloss:
- 4 capsules/day
Limite superior: Not established
Dosagens Estudadas em Pesquisas
| Dosagem | Duração | Efeito | N |
|---|---|---|---|
| various dietary supplements (Nutrafol, apple extract, tocotrienols, pumpkin seed oil, Cistanche/Lami | -- | Positive | 1658 |
| 50% | 416 weeks | Mixed | 11276 |
| 5 mg folic acid (higher dose for obesity) | -- | Mixed | 75 |
| Nutrafol and Viviscal (oral nutraceuticals); doses per product labeling | -- | Positive | -- |
| ALRV5XR, dutasteride 0.5 mg/day, finasteride 1 mg/day, LLLT, minoxidil 2%/5%, Nutrafol, Viviscal | 24 weeks | Positive | -- |
| None | -- | Mixed | -- |
| 300-400 mcg DFE/day | -- | Positive | -- |
| None | -- | Mixed | -- |
Melhor horário: 4 capsules together with a meal
Safety & Side Effects
Efeitos Colaterais Relatados
- ⚠ Mild gastrointestinal discomfort
- ⚠ Headache (possibly from ashwagandha)
- ⚠ Allergic reactions in individuals sensitive to any component
- ⚠ Potential thyroid stimulation from ashwagandha
Interações Conhecidas
- ● Thyroid medications (ashwagandha may affect thyroid function)
- ● Anticoagulants (curcumin and saw palmetto may increase bleeding risk)
- ● Immunosuppressants (ashwagandha may stimulate immune activity)
- ● Sedatives and anxiolytics (ashwagandha has calming properties)
Ingestão máxima tolerável: Not established
Consulte sempre o seu profissional de saúde antes de iniciar qualquer suplemento.Sempre consulte seu profissional de saúde antes de iniciar qualquer suplemento.
Frequently Asked Questions
Does Nutrafol help with Perda Capilar por Estresse?
Based on 8 studies with 13,009 participants, there is strong evidence from multiple clinical trials that Nutrafol may support Perda Capilar por Estresse management. Our evidence grade is A (Strong Evidence).
How much Nutrafol should I take for Perda Capilar por Estresse?
Studies have used various dosages. A commonly studied range is 4 capsules/day. Always consult your healthcare provider before starting any supplement regimen.
Are there side effects of Nutrafol?
Reported side effects may include Mild gastrointestinal discomfort, Headache (possibly from ashwagandha), Allergic reactions in individuals sensitive to any component, Potential thyroid stimulation from ashwagandha. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
How strong is the evidence for Nutrafol and Perda Capilar por Estresse?
We rate the evidence as Grade A (Strong Evidence). This rating is based on 8 peer-reviewed studies with 13,009 total participants. The overall direction of effect is mixed.
Related Evidence
Outros ingredientes para Perda Capilar por Estresse
Nutrafol para outras condições
References
- [1] Lei Zhou et al.. Front Nutr. 2025. Effects of dietary supplements on androgenetic alopecia: a systematic review and network meta-analysis. doi:10.3389/fnut.2025.1719711 PubMed
- [2] Cecília Zanin Palchetti et al.. Clin Nutr ESPEN. 2023. Dietary folate intake and its association with longitudinal changes in cognition function. doi:10.1016/j.clnesp.2023.04.013 PubMed
- [3] Peter R Feldman et al.. Front Med (Lausanne). 2022. Hair regrowth treatment efficacy and resistance in androgenetic alopecia: A systematic review and continuous Bayesian network meta-analysis. doi:10.3389/fmed.2022.998623 PubMed
- [4] Christina Ring et al.. J Clin Aesthet Dermatol. 2022. Nutraceuticals for Androgenetic Alopecia. PubMed
- [5] Kathy M Redfern et al.. Nutrients. 2022. Dietary Intakes of Folate, Vitamin D and Iodine during the First Trimester of Pregnancy and the Association between Supplement Use … doi:10.3390/nu14235135 PubMed
- [6] Mary Foong-Fong Chong et al.. Womens Health (Lond). 2020. A landscape of micronutrient status in women through the reproductive years: Insights from seven regions in Asia. doi:10.1177/1745506520973110 PubMed
- [7] Rima Obeid et al.. Clin Nutr. 2014. Critical evaluation of lowering the recommended dietary intake of folate. doi:10.1016/j.clnu.2013.12.013 PubMed
- [8] Kathleen Woolf et al.. Int J Sport Nutr Exerc Metab. 2006. B-vitamins and exercise: does exercise alter requirements? doi:10.1123/ijsnem.16.5.453 PubMed
- [9] Scott E Kasner. Stroke. 2002. Folate and the risk of stroke: fortify first and ask questions later? PubMed
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.