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science research

クレアチンと抜け毛:56% DHT上昇の真相

BY DR. GYMBRO ·

2009 年の研究で、1 週間のクレアチン・ローディング(25 g/日)によりジヒドロテストステロン(DHT)が 56 %上昇し、5 g/日の維持投与でも約 40 %高い状態が続くことが報告されました。テストステロンは変化せず、DHT は男性型脱毛症と関係があるため、この結果はクレアチンと抜け毛の議論を炎上させました。しかし本試験はラグビー選手 20 名を対象に 3 週間しか実施されておらず、抜け毛自体は測定されていませんでした。以降の研究でも DHT 上昇が一貫して再現されているわけではありません。以下で研究の実態と、心配される方への実践的アドバイスを解説します。

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