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A sun-lit editorial still life on a pale oak gym bench: a loaded barbell rests on a rack just above it, chalk dust drifting in the air. In the foreground sits a small ceramic bowl of roasted beets, some sliced to show their deep magenta rings, with a few whole beets still wearing their leafy burgundy stems. Next to the bowl is a matte white supplement tub with a minimal label, a wooden scoop of fine white powder, and a clear glass of water catching soft highlights. A slim notebook lies open beside them with a simple hand-drawn bar graph and a pen, suggesting data and analysis without any readable text. Behind the bench, a softly blurred minimalist training space: raw concrete wall, tall window with warm morning light, a rack of black dumbbells fading into bokeh. The palette is earthy and modern: beet magenta, warm cream, charcoal, brushed steel, and touches of sage green from the beet leaves. Soft directional light from the left creates long gentle shadows and a slight film-grain texture. Shallow depth of field keeps the beets and powder tack sharp. The composition is wide and balanced, with negative space on the right for headline overlay. The overall feel is a clean, contemporary health and fitness journal photograph, warm and tactile, with an understated scientific tone.
Nutrition

Betaine Nambah Kekuatan Bench Press ~16 % Sajrone 14 Dina

Dr. Gymbro · · 3 min read
#betaine #supplements #ergogenic aids #strength #bench press #research #power

Apa kuwi Betaine (TMG)?

Betaine, utawa trimethylglycine (TMG), yaiku senyawa alami sing ditemokaké ing sayur‑sayuran kaya bit, bayem, lan gandum. Saiki senyawa iki uga dipasaraké minangka suplemén mandiri. Nalika iki, betaine wis suwe dadi topik rembugan ing komunitas nutrisi olahraga minangka calon bantuan ergogenik. Amarga kuwi, Lee lan kolegane nindakake panelitian kanggo ngukur pengaruh betaine marang kekuatan lan daya. Tulisané, Ergogenic effects of betaine supplementation on strength and power performance, kapacak ing Journal of the International Society of Sports Nutrition taun 2010.

Desain Crossover

Studi iki melu rolas partisipan (rata‑rata umur 21 ± 3 tahun, bobot awak 79,1 ± 10,7 kg) sing wis nglatih beban paling ora telung sasi. Desainé randomised, double‑blind, lan crossover. Saben partisipan ngalami loro fase suwene 14 dina: siji nganggo betaine lan siji nganggo plasebo, kanthi sela 14 dina antarané fase.

Sadurunge lan sawisé saben fase 14 dina, partisipan nindakake tes latihan beban intensitas tinggi sajrone loro dina berturutan (D1 lan D2). Tes iki kalebu bench press, squat, lan lompatan. Amarga saben wong dadi kontrol dhewe, desain crossover iki ngilangaké gangguan saka beda‑beda individu ing kekuatan lan riwayat latihan. Tata cara loro dina berturutan uga maringi kesempatan kanggo ndelok kepiye performa tetep nalika rasa kesel akumulatif.

Hasil Daya lan Gaya

Bench press dadi temuan sing paling nyenengaké. Sawisé 14 dina ngonsumsi betaine, tenaga bench press ngancik 1 779 ± 90 W ing D1 lan 1 788 ± 34 W ing D2. Nilai sadurungé suplemén yaiku 1 534 ± 30 W lan 1 498 ± 29 W, dene ing kondisi plasebo mung 1 374 ± 128 W lan 1 523 ± 39 W. Yen dibandhingaké karo nilai sadurungé, kenaikan D1 sekitar 16 % lan D2 nganti 19 %, kanthi béda signifikan statistik (p < 0.05).

Gaya isometrik bench press uga nuduhaké pola sing padha. Sawisé beta‑ine, gaya iki munggah dadi 2 922 ± 297 N ing D1 lan 2 503 ± 28 N ing D2, dibandhingaké karo 2 345 N lan 2 423 N sadurungé suplemén, lan 2 175 N lan 2 128 N ing plasebo. Kenaikan paling gedhé katon ing dina kapisan, déné dina kapindho mung kenaikan cilik.

Ukuran awak ngisor (lompatan vertikal lan gaya squat isometrik) uga ngalami peningkatan, senajan efeké luwih lemah tinimbang kelompok otot ndhuwur. Penulis nyimpulaké yèn beta‑ine nambah daya lan gaya maksimal ing tes‑tes tartamtu, nanging ora ngowahi kemampuan tahan (repetisi).

Apa sing Ora Nambah

Ora kabeh dadi luwih apik. Tenaga jump squat ora nuduhaké bedane, lan jumlah repetisi bench press utawa squat uga tetep. Iki penting kanggo para lifter sing luwih ngutamakaké daya tahan lan volume latihan tinimbang puncak daya. Manfaat beta‑ine katon ing daya lan gaya maksimal, dudu ing repetisi utawa tes daya sing luwih suwe.

Dosis lan Wektu Konsumsi

Miturut artikel lengkap (PMC2915951), partisipan ngonsumsi 1,25 g beta‑ine kaping pindho saben dina (total 2,5 g/dina) sing dicampur ing minuman olahraga, sajrone 14 dina. Dosis iki relatif modest lan diwènèhi minangka regimen harian, dudu dosis sepisan sing akut. Desain iki ndhukung panggunaan kaping pindho saben dina sajrone rong minggu.

Cathetan Penting

  • Sampel cilik (12 wong enom) lan periode cekak ndadékaké temuan iki mung tahap awal. Asilé ora mesthi bisa digeneralisiraké kanggo wanita, lifter sing luwih tuwa, atlit elite, utawa program latihan sing luwih dawa.
  • Variabilitas data kadang ora rata; sawetara deviasi standar cilik banget dibandhingaké karo nilai liyane, lan kenaikan gaya D2 mung modest.
  • Tes sing dipigunakaké ngukur performa ing setelan tes tartamtu, dudu pertumbuhan otot utawa kekuatan jangka panjang.

Takeaway Praktis kanggo Para Angkat Beban

  • Fokus ing daya, dudu repetisi. Beta‑ine luwih migunani kanggo ningkataké tenaga maksimal (kayata bench press) tinimbang jumlah repetisi utawa jump squat.
  • Otot ndhuwur dadi titik manfaat sing paling jelas.
  • Tiru protokol yèn arep nyoba: 1,25 g beta‑ine kaping pindho saben dina (total 2,5 g/dina) dicampur ing minuman olahraga sajrone 14 dina.
  • Tetap realistis. Crossover cilik iki mung dadi sinyal kanggo riset luwih jero, ora jaminan. Latihan rutin, turu cukup, lan pola makan seimbang isih faktor utama.

Sumber

Lee EC, et al. Ergogenic effects of betaine supplementation on strength and power performance. J Int Soc Sports Nutr. 2010. DOI: 10.1186/1550-2783-7-27. PubMed: 20642826.

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.

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Dr. Gymbro

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

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