Grüntee-Extrakt für Androgenetische Alopezie

C Evidenz Begrenzte Evidenz aus kleinen Studien, aber es gibt einige positive Signale.

Basierend auf 3 Studien mit 150 Teilnehmern insgesamt. 3/3 Studien zeigen positive Effekte.

𝕏 LinkedIn

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Fazit

Green tea extract has very limited evidence for androgenetic alopecia — while early findings are positive, the research is too preliminary to draw meaningful conclusions.

Only 3 studies exist, with no randomized controlled trials
EGCG in green tea may have anti-androgenic properties relevant to pattern hair loss
The single interventional study used a multi-ingredient serum, not green tea extract alone
Much more research is needed before green tea extract can be recommended for hair loss

Key Study Findings

narrative review

An Overview of Commonly Used Natural Alternatives for the Treatment of Androgenetic Alopecia, with Special …

Dose: not specified vs.: Placebo Wirkung: None None

open-label single-arm interventional study n=150 8 weeks Open-label

Real-World, Open-Label Study of the Efficacy and Safety of a Novel Serum in Androgenetic Alopecia.

Dose: twice daily application vs.: Placebo Wirkung: None None

Observational Study n=10 24 weeks Single-blind

An Open-Label Evaluator Blinded Study of the Efficacy and Safety of a New Nutritional Supplement …

Dose: Forti5 (green tea, omega-3/6, vit D, melatonin, etc) vs.: baseline Outcome: terminal hair count and Hair Mass Index Wirkung: 5.9% hair count increase, 9.5% HMI increase 0.014

Population: Adults with androgenetic alopecia

In Vitro

Green tea in dermatology.

Dose: None vs.: None Outcome: hair loss Wirkung: None None

Population: cancer patients

Key Statistics

Studien

160

Teilnehmer

↑

Positive

Bewertung

Referenced Papers

An Overview of Commonly Used Natural Alternatives for the Treatment of Androgenetic Alopecia, with Special Emphasis on Rosemary Oil. Review

Clinical, cosmetic and … 2024 7 Zitierungen

Real-World, Open-Label Study of the Efficacy and Safety of a Novel Serum in Androgenetic Alopecia. Other

Journal of drugs … 2023 8 Zitierungen

An overview of herbal alternatives in androgenetic alopecia. Review

Journal of cosmetic … 2019 100 Zitierungen

An Open-Label Evaluator Blinded Study of the Efficacy and Safety of a New Nutritional Supplement in Androgenetic Alopecia: A Pilot … Other

The Journal of … 2017 18 Zitierungen

Green tea in dermatology. Review

Skinmed 2012

Dosage & Usage

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

Übliche Dosierungen

general:: 250-500 mg/day (standardized to 50% EGCG)

Obergrenze: 800 mg EGCG/day

In der Forschung untersuchte Dosierungen

Dosierung	Dauer	Wirkung	N
not specified	--	Positive	--
twice daily application	8 weeks	Positive	150
Forti5 (green tea, omega-3/6, vit D, melatonin, etc)	24 weeks	Positive	10
None	--	Positive	--

Beste Einnahmezeit: Between meals to minimize iron absorption interference; avoid evening doses

Safety & Side Effects

Gemeldete Nebenwirkungen

⚠ Liver toxicity at very high doses (rare but documented)
⚠ Stomach upset and nausea
⚠ Insomnia due to caffeine content
⚠ Iron absorption reduction

Bekannte Wechselwirkungen

● Blood thinners (EGCG may have antiplatelet properties)
● Iron supplements (tannins in green tea reduce iron absorption)
● Stimulants (additive caffeine effects)
● Hepatotoxic drugs (additive liver stress at high doses)

Tolerierbare Höchstaufnahmemenge: 800 mg EGCG/day

Konsultieren Sie immer Ihren Arzt, bevor Sie ein Nahrungsergänzungsmittel einnehmen.Konsultieren Sie immer Ihren Arzt, bevor Sie ein Nahrungsergänzungsmittel einnehmen.

Frequently Asked Questions

Does Grüntee-Extrakt help with Androgenetische Alopezie?

Based on 5 studies with 160 participants, there is limited but promising evidence that Grüntee-Extrakt may support Androgenetische Alopezie management. Our evidence grade is C (Some Evidence).

How much Grüntee-Extrakt should I take for Androgenetische Alopezie?

Studies have used various dosages. A commonly studied range is 250-500 mg/day (standardized to 50% EGCG). Always consult your healthcare provider before starting any supplement regimen.

Are there side effects of Grüntee-Extrakt?

Reported side effects may include Liver toxicity at very high doses (rare but documented), Stomach upset and nausea, Insomnia due to caffeine content, Iron absorption reduction. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.

How strong is the evidence for Grüntee-Extrakt and Androgenetische Alopezie?

We rate the evidence as Grade C (Some Evidence). This rating is based on 5 peer-reviewed studies with 160 total participants. The overall direction of effect is positive.

Andere Inhaltsstoffe für Androgenetische Alopezie

Minoxidil A Finasterid A PRP-Therapie A Dutasterid A Omega-3-Fettsäuren A Microneedling A

Kurzfazit

Basierend auf 3 Studien mit 150 Teilnehmern insgesamt. 3/3 Studien zeigen positive Effekte.

Evidence Strength52%

Moderate confidence

Studienübersicht

RCT (0)Meta (0)Other (5)

Alternativen vergleichen

Sehen Sie, wie andere Inhaltsstoffe bei dieser Beschwerde abschneiden.

Alle Inhaltsstoffe ansehen für Androgenetische Alopezie

Mehr erfahren

References

[1] Nouf F Bin Rubaian et al.. Clin Cosmet Investig Dermatol. 2024. An Overview of Commonly Used Natural Alternatives for the Treatment of Androgenetic Alopecia, with Special Emphasis on Rosemary Oil. doi:10.2147/CCID.S470989 PubMed
[2] Jeffrey Rapaport et al.. J Drugs Dermatol. 2023. Real-World, Open-Label Study of the Efficacy and Safety of a Novel Serum in Androgenetic Alopecia. doi:10.36849/JDD.7403 PubMed
[3] Maria Yusuf Dhariwala et al.. J Cosmet Dermatol. 2019. An overview of herbal alternatives in androgenetic alopecia. doi:10.1111/jocd.12930 PubMed
[4] Anna J Nichols et al.. J Clin Aesthet Dermatol. 2017. An Open-Label Evaluator Blinded Study of the Efficacy and Safety of a New Nutritional Supplement in Androgenetic Alopecia: A Pilot … PubMed
[5] Nader Pazyar et al.. Skinmed. 2012. Green tea in dermatology. PubMed

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