概括
这项研究发现,尽管血清含量增加了,但对近青春期女孩的补充剂并没有影响骨生长标志物. 大多数参与者在干预之前饮食摄入量不足.
科学领域:
- 儿童营养学 儿童营养学
- 矿物质的新陈代谢.
- 骨的发育 骨的发育
背景情况:
- 适当的摄入量对于青春期的生长和发育至关重要.
- 饮食中低摄入量在青少年群体中很常见.
- 补充剂对近青春期女孩骨健康的影响需要进一步研究.
研究的目的:
- 为了研究补充剂对血清含量和近青春期女孩骨循环标记物的影响.
- 评估短期补充能否影响这个年龄段的骨发育指标.
主要方法:
- 一个随机的,安慰剂对照试验,涉及47名近青春期女孩.
- 补充每天15毫克的或安慰剂6周.
- 测量血清,胰岛素类生长因子I,以及骨周转的生化标志物.
主要成果:
- 与安慰剂相比,补充剂显著增加了血清水平.
- 没有观察到胰岛素类生长因子I或骨周转标记物的显著变化.
- 大多数参与者 (94%) 的摄入量低于基线参考水平.
结论:
- 短期补充剂有效地提高了乳清在周围青春期女孩与低饮食摄入量.
- 这种水平的补充剂没有影响骨生长或骨周转的关键指标.
- 需要进一步的研究来确定儿童骨健康的长期影响和最佳剂量.
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