Sắt cho Rụng Tóc Do Thiếu Sắt

Q: Does Sắt help with Rụng Tóc Do Thiếu Sắt?

Based on 73 studies with 30,034 participants, there is strong evidence from multiple clinical trials that Sắt may support Rụng Tóc Do Thiếu Sắt management. Our evidence grade is A (Strong Evidence).

Q: How much Sắt should I take for Rụng Tóc Do Thiếu Sắt?

Studies have used various dosages. A commonly studied range is 18 mg/day (women). Always consult your healthcare provider before starting any supplement regimen.

Q: Are there side effects of Sắt?

Reported side effects may include Constipation (most common), Nausea and stomach cramps, Dark or black stools, Iron overload with excessive supplementation (hemochromatosis risk). Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.

Q: How strong is the evidence for Sắt and Rụng Tóc Do Thiếu Sắt?

We rate the evidence as Grade A (Strong Evidence). This rating is based on 73 peer-reviewed studies with 30,034 total participants. The overall direction of effect is mixed.

Dựa trên 73 nghiên cứu (4 meta-analyses) với 30,034 người tham gia. Kết quả nghiên cứu không đồng nhất.

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Kết luận

Iron deficiency is clearly linked to hair loss, and correcting a genuine deficiency may support hair regrowth, but iron supplementation is not universally effective for all types of hair loss.

73 studies across 30,034 participants provide extensive evidence on the iron-hair loss connection
Low serum ferritin levels are frequently observed in patients with hair loss
Supplementation appears most beneficial when a true iron deficiency is documented
Iron supplementation without confirmed deficiency may not improve hair outcomes and can carry risks

Key Study Findings

review

[Restless leg syndrome. Diagnosis and treatment].

Dose: various so với: Placebo Hiệu quả: None None

case-control n=90

Restless Leg Syndrome and Association with Serum NT Pro-CNP.

Dose: None so với: Placebo Hiệu quả: NT pro-CNP significantly lower in RLS vs controls; sensitivity 80%, specificity 88.9%; serum iron lo None

Review

Iron Metabolism and the Role of Iron Therapy in Pediatric Restless Leg Syndrome.

Dose: None so với: Placebo Hiệu quả: None None

cross-sectional n=150

Prevalence of Restless Leg Syndrome and Its Association With Iron Deficiency in Patients With Chronic …

Dose: None so với: Placebo Hiệu quả: RLS prevalence 42%; serum ferritin lower in RLS (88.4 vs 126.7 ng/mL); TSAT lower (16.3% vs 22.1%); p < 0.01

review

Restless Leg Syndrome and Pregnancy.

Dose: iron supplementation, folate, dopamine agonists (non-pharmacological and pharmacological) so với: Placebo Hiệu quả: None None

cross-sectional study n=100

Assessment of Serum Ferritin Levels in Female Patients With Telogen Effluvium.

Dose: not applicable (observational; serum ferritin measured) so với: Placebo Hiệu quả: mean ferritin 24.30 vs 44.78 ng/mL < 0.001

Key Statistics

Nghiên cứu

30034

Người tham gia

↔

Mixed

Xếp hạng

Referenced Papers

[Restless leg syndrome. Diagnosis and treatment]. Review

Revista de neurologia None 8 trích dẫn

Restless Leg Syndrome and Association with Serum NT Pro-CNP. Other

Neurology India 2026

Retrospective Review of 2851 Female Patients With Telogen Effluvium: A Single-Center Experience. Other

Journal of cosmetic … 2025 4 trích dẫn

Iron Metabolism and the Role of Iron Therapy in Pediatric Restless Leg Syndrome. Review

Sleep medicine clinics 2025 2 trích dẫn

Assessment of Serum Ferritin Levels in Female Patients With Telogen Effluvium. Other

Cureus 2025

Optimizing Restless Legs Syndrome Care: Integrating Rehabilitation into Multimodal Management. Review

JPMA. The Journal … 2025

Prevalence of Restless Leg Syndrome and Its Association With Iron Deficiency in Patients With Chronic Kidney Disease: A Cross-Sectional Observational … Other

Cureus 2025

Telogen Effluvium Following Coronavirus Disease-2019 Infection: A Retrospective Study of 113 Cases. Other

International journal of … 2025

Restless Leg Syndrome and Pregnancy. Review

Southern medical journal 2025

A comprehensive investigation of biochemical status in patients with telogen effluvium: Analysis of Hb, ferritin, vitamin B12, vitamin D, thyroid … Other

Journal of cosmetic … 2024 7 trích dẫn

Iron Deficiency and Restless Sleep/Wake Behaviors in Neurodevelopmental Disorders and Mental Health Conditions. Other

Nutrients 2024 7 trích dẫn

Post Covid telogen effluvium: the diagnostic value of serum ferritin biomarker and the preventive value of dietary supplements. a case … Other

Archives of dermatological … 2024 5 trích dẫn

Iron Supplementation May Improve the Patient's Level of Satisfaction in Not-Low-Ferritin Telogen Effluvium: A Real-Life Observational Study. Other

Indian journal of … 2024 4 trích dẫn

Brain Iron Dysregulation in Iron Deficiency Anemia-Related Restless Leg Syndrome Revealed by Neuron-Derived Extracellular Vesicles: A Case-Control Study. Other

Annals of neurology 2024 3 trích dẫn

Iron deficiency-related symptoms in non-anemic whole blood donors. Other

Transfusion 2024 2 trích dẫn

Clinical efficacy and safety of IV ferric carboxymaltose in restless legs syndrome: A meta-analysis of 537 patients. Meta-Analysis

Sleep medicine 2024 1 trích dẫn

Evaluation of the relationship of digital phototrichogram findings of patients with diffuse hair loss with blood TSH, ferritin and vitamin … Other

Northern clinics of … 2024 1 trích dẫn

Intersecting Pathways: Treating Cocaine Withdrawal and Restless Leg Syndrome with Iron and Buproprion. Case Report

Healthcare (Basel, Switzerland) 2024

Restless Legs Syndrome in Chronic Kidney Disease- a Systematic Review. Systematic Review

Tremor and other … 2023 32 trích dẫn

Restless leg syndrome in patients with chronic kidney disease: a hospital-based study from Upper Egypt. Other

The International journal … 2023 14 trích dẫn

Etiology, management, and outcomes of pediatric telogen effluvium: A single-center study in the United States. Other

Pediatric dermatology 2023 9 trích dẫn

The genetic etiology of periodic limb movement in sleep. Meta-Analysis

Sleep 2023 8 trích dẫn

Complementary and Integrative Approaches to Sleep Disorders in Children. Review

Child and adolescent … 2023 5 trích dẫn

Micronutrient Deficiencies and Digital Computerized Phototrichogram Analysis in Telogen Effluvium: a Retrospective Correlation Study in a Tertiary Medical Center. Other

Dermatology practical & … 2023 4 trích dẫn

The incidence, complications, and treatment of iron deficiency in pregnancy. Review

European journal of … 2022 109 trích dẫn

Telogen effluvium in daily practice: Patient characteristics, laboratory parameters, and treatment modalities of 3028 patients with telogen effluvium. Other

Journal of cosmetic … 2022 22 trích dẫn

Exploration of restless legs syndrome under the new concept: A review. Review

Medicine 2022 15 trích dẫn

Behavioral sleep medicine-The need for harmonization of clinical best practice outcome measures in children and adolescents with intellectual or developmental … Review

Frontiers in psychiatry 2022 8 trích dẫn

Nonscarring scalp alopecia: Which laboratory analysis should we perform on whom? Other

Turkish journal of … 2022 8 trích dẫn

Evaluation of MCV/RDW Ratio and Correlations With Ferritin in Telogen Effluvium Patients. Other

Dermatology practical & … 2022 6 trích dẫn

Does Dexmedetomidine Improve or Worsen Restless Leg Syndrome under Sedation: A Case Report and Extensive Review. Case Report

Case reports in … 2022 3 trích dẫn

The Association of Serum Ferritin Levels With Non-scarring Alopecia in Women. Other

Cureus 2022 3 trích dẫn

Restless Leg Syndrome and Sleep Disorders in Patients with Rheumatoid Arthritis and Its Relation with Anemia Parameters. Other

Acta medica (Hradec … 2021 13 trích dẫn

Diagnostic and Treatment Considerations in Restless Legs Syndrome Complicated by Diabetic Neuropathy. Review

Current diabetes reports 2021 5 trích dẫn

The role of iron repletion in adult iron deficiency anemia and other diseases. Review

European journal of … 2020 137 trích dẫn

Comorbidities in alopecia areata: A systematic review and meta-analysis. Meta-Analysis

Journal of the … 2019 189 trích dẫn

Neurologic conditions and disorders of uremic syndrome of chronic kidney disease: presentations, causes, and treatment strategies. Review

Expert review of … 2019 123 trích dẫn

Restless legs syndrome and iron deficiency in adults with attention-deficit/hyperactivity disorder. Other

Sleep 2019 33 trích dẫn

NonScarring Diffuse Hair Loss in Women: a Clinico-Etiological Study from tertiary care center in North-West India. Observational

Journal of cosmetic … 2019 25 trích dẫn

Prevalence of Nutritional Deficiencies in Hair Loss among Indian Participants: Results of a Cross-sectional Study. Other

International journal of … 2017 43 trích dẫn

Changes of serum trace elements level in patients with alopecia areata: A meta-analysis. Meta-Analysis

The Journal of … 2017 31 trích dẫn

Restless leg syndrome in chronic hemodialysis patients in Mashhad hemodialysis centers. Other

Journal of renal … 2017 26 trích dẫn

Vitamin and Mineral Deficiencies in Patients With Telogen Effluvium: A Retrospective Cross-Sectional Study. Other

Journal of drugs … 2016 56 trích dẫn

Female Pattern Hair Loss: A Retrospective Study in a Tertiary Referral Center. Other

International journal of … 2016 28 trích dẫn

Clinicoepidemiological Observational Study of Acquired Alopecias in Females Correlating with Anemia and Thyroid Function. Other

Dermatology research and … 2016 26 trích dẫn

Insomnia and Restless Leg Syndrome in Patients Undergoing Chronic Hemodialysis in Rafsanjan Ali Ibn Abitaleb Hospital. Other

Nephro-urology monthly 2016 21 trích dẫn

Importance of donor history of restless leg syndrome and pica to asses iron deficiency. Other

Transfusion and apheresis … 2016 10 trích dẫn

Non-invasive method distinguishes chronic telogen effluvium from mild female pattern hair loss: clinicopathological correlation. Other

International journal of … 2016 6 trích dẫn

Trichotillomania: Bizzare Patern of Hair Loss at 11-Year-old Girl. Case Report

Acta dermatovenerologica Croatica … 2016 6 trích dẫn

Restless Leg Syndrome/Willis-Ekbom disease in women with iron deficiency anemia. Other

Ideggyogyaszati szemle 2016 6 trích dẫn

Asthma as a disruption in iron homeostasis. Review

Biometals : an … 2016

Restless Leg Syndrome/Willis-Ekbom Disease Pathophysiology. Review

Sleep medicine clinics 2015 158 trích dẫn

A Hospital-based Study to Determine Causes of Diffuse Hair Loss in Women. Other

Journal of clinical … 2015 41 trích dẫn

Response to intravenous iron in patients with iron deficiency anemia (IDA) and restless leg syndrome (Willis-Ekbom disease). Other

Sleep medicine 2014 58 trích dẫn

Disorders of heavy metals. Review

Handbook of clinical … 2014 52 trích dẫn

Restless leg syndrome: a neglected diagnosis. Review

Nephro-urology monthly 2014 43 trích dẫn

Acute telogen effluvium onset event is associated with the presence of female androgenetic alopecia: potential therapeutic implications. Other

Dermatologic therapy 2014 13 trích dẫn

New treatment options for the management of restless leg syndrome. Review

The Journal of … 2014 7 trích dẫn

Telogen effluvium as the first symptom of Crohn's disease in a child. Case Report

Annals of gastroenterology 2014 5 trích dẫn

Is TrichoScan a new diagnostic method for diffuse hair loss? Other

Turkish journal of … 2014 5 trích dẫn

Serum ferritin and vitamin d in female hair loss: do they play a role? Other

Skin pharmacology and … 2013 127 trích dẫn

The diet factor in attention-deficit/hyperactivity disorder. Review

Pediatrics 2012 205 trích dẫn

ADMET considerations for restless leg syndrome drug treatments. Review

Expert opinion on … 2012 6 trích dẫn

Iron deficiency: beyond anemia. Review

Indian journal of … 2011 75 trích dẫn

Iron deficiency in female pattern hair loss, chronic telogen effluvium, and control groups. Other

Journal of the … 2010 94 trích dẫn

Diffuse hair loss in an adult female: approach to diagnosis and management. Review

Indian journal of … 2009 109 trích dẫn

Hyperferritinemia in autoimmunity. Review

The Israel Medical … 2008 61 trích dẫn

Nonhematological benefits of iron. Review

American journal of … 2007 61 trích dẫn

The diagnosis and treatment of iron deficiency and its potential relationship to hair loss. Review

Journal of the … 2006 255 trích dẫn

Medical treatment of noncicatricial alopecia. Review

Seminars in cutaneous … 2006 23 trích dẫn

Decreased serum ferritin is associated with alopecia in women. Other

The Journal of … 2003 222 trích dẫn

Iron, brain and restless legs syndrome. Other

Sleep medicine reviews 2001 48 trích dẫn

Management of hair loss in women. Review

Dermatologic clinics 1993 38 trích dẫn

Dosage & Usage

mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units

Liều lượng thường dùng

general:: 18 mg/day (women)
deficiency:: 65-200 mg elemental iron/day

Giới hạn trên: 45 mg/day

Liều lượng đã nghiên cứu

Liều lượng	Thời gian	Hiệu quả	N
various	--	Positive	--
None	--	Positive	90
None	--	Positive	--
None	--	Positive	150
iron supplementation, folate, dopamine agonists (non-pharmacological and pharmacological)	--	Positive	--
not applicable (observational; serum ferritin measured)	--	Negative	100
None	--	Neutral	113
None	--	Neutral	2851

Thời điểm dùng tốt nhất: On an empty stomach with vitamin C for best absorption; take 2 hours apart from calcium

Safety & Side Effects

Tác dụng phụ đã được báo cáo

⚠ Constipation (most common)
⚠ Nausea and stomach cramps
⚠ Dark or black stools
⚠ Iron overload with excessive supplementation (hemochromatosis risk)

Tương tác đã biết

● Calcium supplements and dairy (reduce iron absorption by 50-60%)
● Proton pump inhibitors (omeprazole) and H2 blockers reduce absorption
● Tetracycline and quinolone antibiotics (mutual absorption reduction)
● Levothyroxine (iron reduces thyroid hormone absorption)

Mức hấp thụ tối đa cho phép: 45 mg/day

Luôn tham khảo ý kiến bác sĩ trước khi bắt đầu sử dụng bất kỳ thực phẩm bổ sung nào.Luôn tham khảo ý kiến chuyên gia y tế trước khi sử dụng bất kỳ thực phẩm chức năng nào.

Frequently Asked Questions

Does Sắt help with Rụng Tóc Do Thiếu Sắt?

Based on 73 studies with 30,034 participants, there is strong evidence from multiple clinical trials that Sắt may support Rụng Tóc Do Thiếu Sắt management. Our evidence grade is A (Strong Evidence).

How much Sắt should I take for Rụng Tóc Do Thiếu Sắt?

Studies have used various dosages. A commonly studied range is 18 mg/day (women). Always consult your healthcare provider before starting any supplement regimen.

Are there side effects of Sắt?

Reported side effects may include Constipation (most common), Nausea and stomach cramps, Dark or black stools, Iron overload with excessive supplementation (hemochromatosis risk). Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.

How strong is the evidence for Sắt and Rụng Tóc Do Thiếu Sắt?

We rate the evidence as Grade A (Strong Evidence). This rating is based on 73 peer-reviewed studies with 30,034 total participants. The overall direction of effect is mixed.

Related Evidence

Các thành phần khác cho Rụng Tóc Do Thiếu Sắt

L-Lysine D

Sắt cho các tình trạng khác

Telogen Effluvium B Rụng Tóc Sau Sinh D

Đánh giá nhanh

Dựa trên 73 nghiên cứu (4 meta-analyses) với 30,034 người tham gia. Kết quả nghiên cứu không đồng nhất.

Evidence Strength92%

High confidence

Phân tích nghiên cứu

RCT (0)Meta (4)Other (69)

So sánh lựa chọn thay thế

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Xem tất cả thành phần cho Rụng Tóc Do Thiếu Sắt

Tìm hiểu thêm

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