EFFECTS OF β-ALANINE INGESTION ON RUNNING SPEED, HEART RATE AND BLOOD LACTATE RESPONSES IN MALE ENDURANCE ATHLETES DURING INCREMENTAL RUNNING TEST*

Mert Kayhan; Halit Harmancı; Filiz Özyiğit

TR EN

ERKEK DAYANIKLILIK SPORCULARINDA ARTIRMALI KOŞU TESTİ SIRASINDA β -ALANİN TAKVİYESİNİN KOŞU HIZI, KALP ATIM HIZI VE KAN LAKTAT TEPKİLERİ ÜZERİNE ETKİLERİ

Abstract

Bu çalışmanın amacı, erkek dayanıklılık sporcularında artırmalı koşu testi sırasında 28 günlük β-alanin takviyesinin kalp hızı, kan laktat düzeyi ve koşu hızları üzerine etkilerini belirlemektir. 28 erkek dayanıklılık sporcusu (β-alanin grubu (β-Ala) için yaş: 20,13 yıl, boy: 174,88 cm, kilo: 60,64 kg ve Plasebo (PL) grubu için yaş: 19,67 yıl, boy: 175,08 cm, kilo: 62,67 kg) bu araştırmaya katılmak için gönüllü olmuşlardır. Çift kör plasebo kontrollü bir çalışma protokolü kullanılarak, katılımcılar rastgele olarak β-alanin (β-Ala, n=16) veya plasebo grubuna (PL, n=12) ayrıldılar. β-Ala grubuna 28 gün boyunca günde 6 g (6x1 g tablet) β-alanin takviyesi verilirken, PL grubuna β-Ala grubu ile aynı sıklıkta ve miktarda dekstroz takviyesi yapıldı. Takviye periyodu öncesi ve sonrasında, deneklerin kan laktat ve kalp atım hızı profilini tanımlamak için katılımcılara artırmalı koşu bandı testi uygulandı. Takviye öncesi ve sonrası Laktat eşiği, laktat eşiğindeki kalp atım hızı, koşu hızı ve 2, 4, 6, 8 mmol.l-1 kan laktatına karşılık gelen kalp atım hızları belirlendi. Ön test ve test sonrası laktat eşiği, laktat eşiğine denk gelen kalp atım hızı, koşu hızı ve 2, 4, 6, 8 mmol.l-1 kan laktatına karşılık gelen kalp hızı skorları arasındaki farklılıkları tanımlamak için iki yönlü tekrarlayan ölçümlerde varyans analizi (ANOVA) yapıldı. ANOVA testi sonrası fark bulunması durumunda β-Ala ve PL grupları için ön test ve son test puanlarını belirlemek amacıyla basit ana etki analizi uygulandı. Bu çalışmadan elde edilen sonuçlar, 28 günlük β-alanin takviyesinin laktat eşiğine denk gelen koşu hızı üzerinde önemli bir etkiye sahip olduğunu (β-Ala grubu için 16,38 ± 1,02 km/sa'den 17,50 ± 1,55 km/sa'ye artış) gösterdi (P < 0,05). β-Ala grubunda β-alanin takviyesinden sonra D-max yöntemine göre laktat eşiğinde küçük bir azalma oldu, ancak bu fark istatistiksel olarak anlamlı değildi (P > 0,05). β-alanin takviyesinden sonra laktat eşiğine denk gelen kalp atım hızlarında önemli bir artış oldu (P < 0,05). Basit ana etki analizi, β-ala grubunda 2, 4, 6 ve 8 mmol.l-1 kan laktat konsantrasyonlarına karşılık gelen koşu hızının, başlangıç değerlerine kıyasla önemli ölçüde arttığını göstermiştir (p<0,05). Sonuç olarak; 28 gün boyunca günlük 6 gram β-alanin takviyesinin, laktat eşiğinde ve laktat eşiğin altında ve üstünde yapılan koşularda koşu hızını artırdığını ve dayanıklılık sporcularının anaerobik eşikteki kan laktat seviyelerini azalttığını söyleyebiliriz.

Keywords

EFFECTS OF β-ALANINE INGESTION ON RUNNING SPEED, HEART RATE AND BLOOD LACTATE RESPONSES IN MALE ENDURANCE ATHLETES DURING INCREMENTAL RUNNING TEST*

Abstract

The purpose of this study was to determine the effects of 28 day of β-alanine supplementation on heart rate, blood lactate and running speeds in male endurance athletes during incremental running test. 28 male endurance athletes (age: 20,13 yrs, height: 174,88 cm, weight: 60,64 kg for β-alanine (β-Ala) group and age: 19,67 yrs, height: 175,08 cm, weight: 62,67 kg for Plasebo (PL) group) volunteered to participate in this investigation. Using a double-blind placebo controlled study protocol, participants were randomly assigned to either β-alanine (β-Ala, n=16) or placebo group (PL, n=12). While the β-Ala group was ingested 6 g.d-1 (6x1g tablet) of β-alanine supplementation during 28 day, the PL group was supplemented with dextrose in the same frequency as the β-Ala group. Before and after the supplementation period, participants were performed incremental treadmill test to define subject’s blood lactate and heart rate profile. Lactate threshold, heart rate at lactate threshold, running speed and heart rate corresponding to 2, 4, 6, 8 mmol.l-1 blood lactate were determined. A two-way repeated measure analysis of variance (ANOVA) was conducted to define differences between pre-test and post-test lactate threshold, heart rate at lactate threshold, running speed and heart rate corresponding to 2, 4, 6, 8 mmol.l-1 blood lactate scores. In case where the differences were found after the ANOVA test, simple main effect analysis was applied to determine pre-test and post-test scores for β-Ala and PL groups. The results from this study showed that 28 days of β-alanine supplementation had significant effect on running speed (increase from 16,38 ± 1,02 km/h to 17,50 ± 1,55 km/h for β-Ala group) at lactate threshold (P < 0.05). There was a small decrease in lactate threshold according to D-max method for β-Ala group after the β-alanine supplementation, but this difference was not statistically significant (P > 0.05). There was a significant increase in heart rate at lactate threshold after the β-alanine supplementation (P < 0.05). Simple main effect analysis demonstrated that running speed corresponding to 2, 4, 6 and 8 mmol.l-1 blood lactate concentrations in β-ala group improved significantly compared with their baseline value (p<0,05). As a result; we can state that daily 6 gram of β-alanine supplementation for 28 days increase the running speed in runs at the lactate threshold and below and above the anaerobic threshold and decrease blood lactate levels of endurance athletes at the anaerobic threshold.

Keywords

Supporting Institution

Kütahya Dumlupınar University Scientific Research Projects Coordination Office

Project Number

# 2020 - 11.

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Details

Primary Language

English

Subjects

Sports Training, Sports Nutrition

Journal Section

Research Article

Authors

Mert Kayhan
0000-0001-5850-3872
Türkiye

Halit Harmancı ^*
0000-0002-7176-6607
Türkiye

Filiz Özyiğit
0000-0002-0062-4281
Türkiye

Publication Date

December 22, 2025

Submission Date

September 18, 2025

Acceptance Date

November 18, 2025

Published in Issue

Year 2025 Volume: 6 Number: 3

IZ

https://izlik.org/JA45DT84FZ

Cite

RIS / Bibtex

APA

Kayhan, M., Harmancı, H., & Özyiğit, F. (2025). EFFECTS OF β-ALANINE INGESTION ON RUNNING SPEED, HEART RATE AND BLOOD LACTATE RESPONSES IN MALE ENDURANCE ATHLETES DURING INCREMENTAL RUNNING TEST*. Sivas Cumhuriyet Üniversitesi Spor Bilimleri Dergisi, 6(3), 160-168. https://izlik.org/JA45DT84FZ

AMA

1.Kayhan M, Harmancı H, Özyiğit F. EFFECTS OF β-ALANINE INGESTION ON RUNNING SPEED, HEART RATE AND BLOOD LACTATE RESPONSES IN MALE ENDURANCE ATHLETES DURING INCREMENTAL RUNNING TEST*. CUSPOR. 2025;6(3):160-168. https://izlik.org/JA45DT84FZ

Chicago

Kayhan, Mert, Halit Harmancı, and Filiz Özyiğit. 2025. “EFFECTS OF β-ALANINE INGESTION ON RUNNING SPEED, HEART RATE AND BLOOD LACTATE RESPONSES IN MALE ENDURANCE ATHLETES DURING INCREMENTAL RUNNING TEST*”. Sivas Cumhuriyet Üniversitesi Spor Bilimleri Dergisi 6 (3): 160-68. https://izlik.org/JA45DT84FZ.

EndNote

Kayhan M, Harmancı H, Özyiğit F (December 1, 2025) EFFECTS OF β-ALANINE INGESTION ON RUNNING SPEED, HEART RATE AND BLOOD LACTATE RESPONSES IN MALE ENDURANCE ATHLETES DURING INCREMENTAL RUNNING TEST*. Sivas Cumhuriyet Üniversitesi Spor Bilimleri Dergisi 6 3 160–168.

IEEE

[1]M. Kayhan, H. Harmancı, and F. Özyiğit, “EFFECTS OF β-ALANINE INGESTION ON RUNNING SPEED, HEART RATE AND BLOOD LACTATE RESPONSES IN MALE ENDURANCE ATHLETES DURING INCREMENTAL RUNNING TEST*”, CUSPOR, vol. 6, no. 3, pp. 160–168, Dec. 2025, [Online]. Available: https://izlik.org/JA45DT84FZ

ISNAD

Kayhan, Mert - Harmancı, Halit - Özyiğit, Filiz. “EFFECTS OF β-ALANINE INGESTION ON RUNNING SPEED, HEART RATE AND BLOOD LACTATE RESPONSES IN MALE ENDURANCE ATHLETES DURING INCREMENTAL RUNNING TEST*”. Sivas Cumhuriyet Üniversitesi Spor Bilimleri Dergisi 6/3 (December 1, 2025): 160-168. https://izlik.org/JA45DT84FZ.

JAMA

1.Kayhan M, Harmancı H, Özyiğit F. EFFECTS OF β-ALANINE INGESTION ON RUNNING SPEED, HEART RATE AND BLOOD LACTATE RESPONSES IN MALE ENDURANCE ATHLETES DURING INCREMENTAL RUNNING TEST*. CUSPOR. 2025;6:160–168.

MLA

Kayhan, Mert, et al. “EFFECTS OF β-ALANINE INGESTION ON RUNNING SPEED, HEART RATE AND BLOOD LACTATE RESPONSES IN MALE ENDURANCE ATHLETES DURING INCREMENTAL RUNNING TEST*”. Sivas Cumhuriyet Üniversitesi Spor Bilimleri Dergisi, vol. 6, no. 3, Dec. 2025, pp. 160-8, https://izlik.org/JA45DT84FZ.

Vancouver

1.Mert Kayhan, Halit Harmancı, Filiz Özyiğit. EFFECTS OF β-ALANINE INGESTION ON RUNNING SPEED, HEART RATE AND BLOOD LACTATE RESPONSES IN MALE ENDURANCE ATHLETES DURING INCREMENTAL RUNNING TEST*. CUSPOR [Internet]. 2025 Dec. 1;6(3):160-8. Available from: https://izlik.org/JA45DT84FZ