Folato per Perdita di capelli da carenza nutrizionale

Basato su 11 studi con 4,429 partecipanti totali. I risultati sono contrastanti tra gli studi.

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In sintesi

The evidence linking folate supplementation to hair regrowth is limited and mixed — folate deficiency may contribute to hair loss in some cases, but supplementation is not well-supported as a general hair loss remedy.

Results are mixed across 11 studies, with no clear consensus on folate's role in hair loss
No randomized controlled trials have specifically tested folate supplementation for hair regrowth
Folate deficiency may be more relevant when caused by medications (e.g., methotrexate) rather than diet
Blood testing for folate levels may help determine if supplementation is appropriate

Key Study Findings

In Vitro

7-Hydroxycannabidiol and 7-carboxycannabidiol induced cytotoxicity via apoptosis and endoplasmic reticulum stress in human hepatic cells.

Dose: None vs: Untreated hepatic cells Outcome: Cytotoxicity via apoptosis and ER stress Effetto: None None

Popolazione: Primary human hepatocytes and HepG2 cells

Review

Safety First: A Comprehensive Review of Nutritional Supplements for Hair Loss in Breast Cancer Patients.

Dose: None vs: Placebo Effetto: None None

Review

Medical Marijuana and Treatment Personalization: The Role of Genetics and Epigenetics in Response to THC …

Dose: None vs: None Outcome: None Effetto: None None

Popolazione: Review of pharmacogenomics of THC and CBD

In Vitro 2 weeks

Quality and safety of hemp meal as a protein supplement for nonlactating dairy cows.

Dose: 10.2% d vs: None Outcome: glycemic control Effetto: None None

Popolazione: Cows

Case-control n=973

Micronutrient Deficiencies and Digital Computerized Phototrichogram Analysis in Telogen Effluvium: a Retrospective Correlation Study in …

Dose: None vs: Placebo Effetto: r=0.417 (HGB and AHR in females) p=0.008

retrospective cohort study n=3028

Telogen effluvium in daily practice: Patient characteristics, laboratory parameters, and treatment modalities of 3028 patients …

Dose: standard replacement doses vs: Placebo Effetto: vitamin D deficient: 72.2%; B12 deficient: 30.7%; iron deficiency anemia: 6.2% None

Key Statistics

Studi

4166

Partecipanti

↔

Mixed

Grado

Referenced Papers

Safety First: A Comprehensive Review of Nutritional Supplements for Hair Loss in Breast Cancer Patients. Review

Nutrients 2025 2 citazioni

7-Hydroxycannabidiol and 7-carboxycannabidiol induced cytotoxicity via apoptosis and endoplasmic reticulum stress in human hepatic cells. Other

Archives of toxicology 2025 1 citazioni

Medical Marijuana and Treatment Personalization: The Role of Genetics and Epigenetics in Response to THC and CBD. Review

Genes 2025 1 citazioni

Quality and safety of hemp meal as a protein supplement for nonlactating dairy cows. Other

Journal of dairy … 2023 8 citazioni

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

Dermatology practical & … 2023 4 citazioni

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

Journal of cosmetic … 2022 22 citazioni

The Trouble with CBD Oil. Other

Medical cannabis and … 2018 158 citazioni

The Role of Micronutrients in Alopecia Areata: A Review. Review

American journal of … 2017 104 citazioni

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

Journal of drugs … 2016 56 citazioni

The role of psychological factors and serum zinc, folate and vitamin B12 levels in the aetiology of trichodynia: a case-control … Other

Clinical and experimental … 2009 34 citazioni

Management of hair loss in women. Review

Dermatologic clinics 1993 38 citazioni

Dosage & Usage

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

Dosaggi di uso comune

general:: 400 mcg DFE/day

Limite massimo: 1,000 mcg/day (synthetic folic acid)

Dosaggi studiati nella ricerca

Dosaggio	Durata	Effetto	N
None	--	Negative	--
None	--	Mixed	--
None	--	Mixed	--
10.2% d	2 weeks	Mixed	--
None	--	Positive	973
standard replacement doses	--	Neutral	3028
None	--	Positive	--
None	--	Negative	--

Momento migliore per l'assunzione: With meals for better absorption

Safety & Side Effects

Effetti collaterali segnalati

⚠ Generally well tolerated
⚠ May mask vitamin B12 deficiency symptoms at high doses
⚠ Rare: abdominal cramps, insomnia

Interazioni note

● Methotrexate (folate antagonist; consult physician)
● Anticonvulsants (phenytoin, carbamazepine) may reduce folate levels
● Sulfasalazine (reduces folate absorption)

Livello di assunzione massimo tollerabile: 1,000 mcg/day (synthetic folic acid)

Consultare sempre il proprio medico prima di iniziare qualsiasi integratore.Consultate sempre il vostro medico prima di iniziare qualsiasi integratore.

Frequently Asked Questions

Does Folato help with Perdita di capelli da carenza nutrizionale?

Based on 11 studies with 4,166 participants, there is insufficient evidence at this time that Folato may support Perdita di capelli da carenza nutrizionale management. Our evidence grade is F (Evidence Against).

How much Folato should I take for Perdita di capelli da carenza nutrizionale?

Studies have used various dosages. A commonly studied range is 400 mcg DFE/day. Always consult your healthcare provider before starting any supplement regimen.

Are there side effects of Folato?

Reported side effects may include Generally well tolerated, May mask vitamin B12 deficiency symptoms at high doses, Rare: abdominal cramps, insomnia. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.

How strong is the evidence for Folato and Perdita di capelli da carenza nutrizionale?

We rate the evidence as Grade F (Evidence Against). This rating is based on 11 peer-reviewed studies with 4,166 total participants. The overall direction of effect is mixed.

Related Evidence

Altri ingredienti per Perdita di capelli da carenza nutrizionale

Selenio A Biotin B Vitamin A D L-Cisteina D Vitamina B12 F

Folato per altre condizioni

Telogen effluvium B

Verdetto rapido

Basato su 11 studi con 4,429 partecipanti totali. I risultati sono contrastanti tra gli studi.

Evidence Strength10%

Low confidence

Analisi degli studi

RCT (0)Meta (0)Other (11)

Confronta le alternative

Scoprite come si confrontano altri ingredienti per questa condizione.

Visualizza tutti gli ingredienti per Perdita di capelli da carenza nutrizionale

Approfondimenti

Avvertenza FDA: Queste affermazioni non sono state valutate dalla Food and Drug Administration. I prodotti e le informazioni presenti su questo sito web non sono destinati a diagnosticare, trattare, curare o prevenire alcuna malattia. I gradi di evidenza presentati si basano sulla nostra analisi della ricerca pubblicata e sottoposta a revisione paritaria e non costituiscono consulenza medica. Consultate sempre il vostro medico prima di iniziare qualsiasi regime di integrazione.