Nutrafol 用于 压力性脱发
A基于9项研究（2项荟萃分析、2项RCT），共2,213名参与者。9/9项研究显示积极效果。
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A
结论
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
效果: 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
效果: None
P = 0.015
研究人群: 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
效果: 96% took folic acid; 26% took 5mg dose
None
研究人群: 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
效果: 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
效果: 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
效果: None
None
研究人群: None
Key Statistics
8
研究数量
13009
受试者
↔
Mixed
A
等级
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 次引用
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 次引用
The Journal of …
2022
9 次引用
Nutrients
2022
6 次引用
Women's health (London, …
2020
13 次引用
Clinical nutrition (Edinburgh, …
2014
18 次引用
International journal of …
2006
176 次引用
Stroke
2002
Dosage & Usage
mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units
常用剂量
- hairloss:
- 4 capsules/day
上限： Not established
研究中使用的剂量
| 剂量 | 持续时间 | 效果 | 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 | -- |
最佳服用时间： 4 capsules together with a meal
Safety & Side Effects
已报告的副作用
- ⚠ Mild gastrointestinal discomfort
- ⚠ Headache (possibly from ashwagandha)
- ⚠ Allergic reactions in individuals sensitive to any component
- ⚠ Potential thyroid stimulation from ashwagandha
已知相互作用
- ● 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)
可耐受最高摄入量： Not established
在开始服用任何补充剂之前，请务必咨询您的医疗保健提供者。
Frequently Asked Questions
Does Nutrafol help with 压力性脱发?
Based on 8 studies with 13,009 participants, there is strong evidence from multiple clinical trials that Nutrafol may support 压力性脱发 management. Our evidence grade is A (Strong Evidence).
How much Nutrafol should I take for 压力性脱发?
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 压力性脱发?
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
其他成分用于 压力性脱发
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