献血后补充铁可以加速血液的恢复,但不会影响运动表现
Tyler B Judd1, Keely A Shaw2, Joel R Krentz3
1College of Kinesiology, University of Saskatchewan, Saskatoon, South Saskatchewan, Canada.
Journal of strength and conditioning research
|March 3, 2025
概括
献血后补充铁有助于血液的恢复,但不会改善运动表现. 这项研究发现,虽然铁有助于更快地恢复血细胞计数,但无论补充剂如何,耐力表现都恢复到了正常水平.
科学领域:
- 运动生理学 运动生理学
- 运动营养 运动营养
- 血液学 血液学 血液学
背景情况:
- 献血会影响血红蛋白和运动能力.
- 铁补充剂在捐赠后恢复中的作用尚不清楚.
研究的目的:
- 评估口服铁补充剂在加速血红蛋白,血红素和献血后运动表现恢复方面的有效性.
主要方法:
- 10个中度活跃的个体在捐赠后5周内接受了60毫克元素铁或安慰剂.
- 在捐赠前和捐赠后5周内测量了血红蛋白,血红素和5公里计时性能.
主要成果:
- 捐赠后运动表现下降,但在两组的1周内恢复.
- 在两个组中,血红蛋白水平在5周内没有恢复到基线.
- 铁组的血红素恢复速度更快,在第4周恢复到基线,而安慰剂组在第5周没有恢复.
结论:
- 补充铁可以在献血后加速血液的恢复.
- 补充铁似乎不会影响耐力运动表现的恢复.
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