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Kafein lan Capsaicin Ngalahake Placebo ing Lomba 10 km; Capsaicin Dewe Ora Nguwuhake Pengaruh

Coach Ryan · · 4 min read

Kafein lan Capsaicin Ngalahake Placebo ing Lomba 10 km; Capsaicin Dewe Ora Nguwuhake Pengaruh

Eksèrpt: Gabungan kafein lan capsaicin minangka siji-sijine kombinasi sing bisa ngalahake placebo ing lomba 10 km, nanging capsaicin dewe ora nambah kinerja. Kafein dadi faktor utama sing nyebabake perbaikan statistik, lan ora ana bukti sinergi antarane loro bahan. Dosis 6 mg/kg kira‑kira 450 mg kanggo pelari 75 kg – dosis sing cukup gedhé lan bisa nimbulaké insomnia, kecemasan, sirah lara, lan detak jantung cepet. Iki asil saka studi 20 pelari, mula sing ora toleran kafein kudu ati‑ati utawa nyingkirake kombinasi iki.


Saben pelari mesthi golek cara supaya bisa nambahé performa sadurunge mbukak balapan. Salah siji uji coba manungsa paling anyar nyoba apa sing luwih jitu tinimbang suplemen tunggal: kafein sing dicampur karo capsaicin – senyawa sing marakaké rasa pedhes ing cabai. Sing menarik, kombinasi iki dadi siji-sijine kondisi sing ngalahake placebo ing lomba 10 km, nanging capsaicin dewe ora menehi pengaruh apa‑apa. Rincian iki penting kanggo sing kepengin nyoba, supaya ora mbuwang dhuwit kanggo barang sing ora ana gunane.

Pengaturan: 20 Pelari, Papat Kahanan

Studi iki diterbitake ing taun 2026 ing European Journal of Applied Physiology déning tim peneliti saka Brasil. Iki uji coba acak, double‑masked, placebo‑controlled crossover – desain sing kuat amarga saben pelari dadi kontrolé dhéwé.

  • Jumlah pelari sing ngrampungake kabeh kahanan: 20 (saka 27 sing mlebu).
  • Umur rata‑rata: kira‑kira 32 taun, 8 wanita lan 12 pria.
  • Prosedur: Saben pelari nindakake lari 10 km kanthi kecepatan dhéwé (self‑paced) sawise njupuk salah siji saka papat suplemen 45 menit sadurunge:
    • Kafein (CAF): 6 mg/kg
    • Capsaicin (CAP): 0.35 mg/kg
    • Kafein + Capsaicin (CAF+CAP)
    • Placebo

Self‑paced ateges pelari milih ambegan lan kecepatan dhéwé, kaya lomba sejatine, ora manut intensitas sing diatur laboratorium. Peneliti ngrekam wektu rampung, denyut jantung, konsentrasi laktat getih, persepsi upaya, lan rasa subyektif kaya semangat lan efek samping.

Hasil: Sapa Sing Bener‑bener Menang?

Berita utama yaiku kombinasi iku siji‑sijine kondisi sing sacara signifikan luwih cepet tinimbang placebo ing perbandingan pasangan (p‑Tukey = 0.048; p‑Dunnett = 0.028). Kafein dewe lan capsaicin dewe ora ngluwihi ambang iki.

Model statistik nuduhaké rincian luwih cetha:

  • Kafein nduwèni efek utama sing signifikan marang wektu rampung (p = 0.0049).
  • Capsaicin ora nduwèni efek utama.
  • Ora ana interaksi kafein × capsaicin, tegesé loro bahan iki ora kerja bareng luwih apik tinimbang sing diprediksi saka kafein waé.

Maksudé, kafein sing dadi pendorong utama. Kombinasi bisa katon luwih apik amarga kafein lan ukuran sampel sing cilik. Data ora mbuktekaké yèn capsaicin nambah apa‑apa.

Temuan Liyane: Laktat, Semangat, lan Upaya

Konsentrasi laktat getih sawise lari paling dhuwur ing kondisi CAF+CAP dibandhingake karo kahanan liyané. Iki bisa dadi akibat pelari sing nyoba luwih keras, nanging studi ora bisa nerangaké penyebabé. Semangat dirasakake mundhak ing loro kondisi sing ngandhut kafein. Detak jantung lan RPE (Rating of Perceived Exertion) sawise sesi ora béda antarane kahanan, lan RPE mung béda antarane kafein lan capsaicin dewe.

Dadi, kombinasi ora nggawe lari dadi luwih gampang rata‑rata. Yen ana apa‑apa, pelari sing nggunakake kombinasi iki mung lari luwih cepet kanthi upaya sing dirasakake padha.

Masalah: Efek Samping

Kondisi sing ngandhut kafein marakaké efek samping sing luwih asring lan sementara:

  • Insomnia (gangguan turu)
  • Kecemasan
  • Sirah lara
  • Tachycardia (detak jantung cepet)

Yèn sampeyan mung gelem ngombe kopi biasa, dosis iki bisa dadi keras.

Dosis ing Angka Nyata

Studi iki ngetung dosis adhedhasar bobot awak, mula iki conto kanggo pelari 75 kg (165 lb):

  • Kafein 6 mg/kg ≈ 450 mg. Iki kira‑kira patang nganti lima cangkir kopi kandel, gumantung kuaté kopi. Dosis iki ngluwihi rekomendasi FDA 400 mg/hari kanggo wong dewasa sehat, lan kudu dikonsumsi sakjam sadurunge balapan.
  • Capsaicin 0.35 mg/kg ≈ 26 mg. Label produk capsaicin béda‑bèda, mula priksa jumlah miligram sejatine, ora mung ngandelake tembung “ekstrak cabai”.

Akeh studi babagan kafein lan daya tahan nggunakake dosis luwih endhek, watara 3 mg/kg. Uji coba iki nganggo dosis dhuwur, mula asilé ora mesthi bisa ditrapaké kanggo dosis sing luwih moderat.

Kesimpulan Praktis

  • Wektu panggunaan: Suplemen diwènèhi 45 menit sadurunge lari. Yen sampeyan arep nyoba, lakokaké iki ing latihan, dudu ing dina lomba.
  • Uji dhisik: Coba dosis anyar ing sesi latihan reguler. Kafein ing level iki bisa nyebabaké gangguan weteng, gemetar, utawa detak jantung nggebut ing wektu sing ora dikarepake.
  • Aja kepincut capsaicin: Amarga capsaicin dewe ora ngowahi performa lan ora ana interaksi, bukti ndhukung kafein minangka bahan aktif. Strategi kafein sing luwih sederhana lan dosis sing luwih murah wis cukup kanggo entuk manfaat sing padha.
  • Waspada ganggu turu: Insomnia dadi efek samping sing paling kerep dilaporake. Lomba sore utawa sesi latihan telat bisa ngowahi turu sampeyan.

Sapa Sing Bisa Nglakoni, lan Sapa Sing Kudu Ngindhari

Patut dicoba (karo ati‑ati): Pelari sehat sing toleran marang kafein, target lomba 10 km, wis ngerti reaksié marang kafein, lan kepengin nyoba dosis iki ing latihan.

Kudu ngindhari utawa takon dhokter dhisik:

  • Wong sing gampang kecemasan, panik, utawa insomnia
  • Sapa wae sing duwe masalah irama jantung, tekanan darah tinggi, utawa kondisi kardiovaskular liyane
  • Wong sing kena migrain utawa sirah lara amarga kafein
  • Wanita hamil lan sapa wae sing ngonsumsi obat sing bisa interaksi karo stimulan
  • Pelari sing ora tahan senyawa pedhes ing weteng

Keterbatasan

Studi iki cilik. Mung 20 wong sing ngrampungake kabeh papat kondisi, kabeh pelari rekreasi, lan saben kondisi diuji mung sak sesi. Kauntungan kombinasi tinimbang kafein dewe ora dibuktèkaké sacara statistik, lan bedane asil signifikan vs. ora signifikan sempit. Studi iki perlu direplikasi sadurunge dianggep resep final. Atlet elit, pelari profesional, lan dosis sing béda bisa nampa respon sing béda.

Kesimpulan Pungkasan

Kafein iku faktor utama sing dibuktekaké ing panaliten iki. Capsaicin ora ngaruh déwé lan ora nuduhaké sinergi, sanajan kombinasi iku siji‑sijine sing ngalahake placebo. Dosis 6 mg/kg cukup gedhé lan efek sampingé nyata. Yen sampeyan arep nyoba, lakokaké ing latihan dhisik lan aja ngarep‑arep cabai sing bakal ngangkat beban. Artikel iki mung kanggo informasi lan ora dadi saran medis.

Original study

Read the original research on pubmed.ncbi.nlm.nih.gov →

This article summarizes published research for general information. It is not medical advice.

CR

Written by

Coach Ryan

Coach Ryan writes for Dr. Gymbro: science-backed fitness, nutrition & performance.

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