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Science & Research

Shilajit 测试:山沥青真的能提升睾酮水平吗?

Dr. Gymbro · · 1 min read

Shilajit(山沥青)是一种从喜马拉雅及其他高山岩缝中渗出的黏稠、沥青状物质,已在阿育吠陀医学中使用了数个世纪。近年来,它被包装成天然睾酮助推剂,宣传往往比实际证据更为自信。下面我们来细致审视一项随机、双盲、安慰剂对照的临床试验,该试验将纯化的 Shilajit 提取物与安慰剂进行直接比较,并测量体内激素水平。

研究做了什么

这篇由 Pandit 等人撰写的论文发表于 2016 年的 Andrologia。研究对象为健康男性志愿者,年龄在 45‑55 岁之间。参与者每日两次、每次 250 毫克,连续服用 90 天。整个试验采用随机、双盲、安慰剂对照的设计,被视为区分真实补剂效应与期待或偶然因素的金标准。

研究聚焦在男性雄激素上,主要观察指标包括总睾酮、游离睾酮以及硫酸脱氢表雄酮(DHEAS)。同时,还监测了促性腺激素——黄体生成素(LH)和卵泡刺激素(FSH)。

研究发现

根据摘要,服用 Shilajit 90 天后,总睾酮、游离睾酮和 DHEAS 均显著(P < 0.05)高于安慰剂组。LH 与 FSH 被描述为“保持良好”,即水平基本稳定,没有出现明显的升高或下降。

虽然摘要报出了统计学显著性,却未给出效应大小,也未在文中提供具体的提升幅度。若有人声称某个百分比的增长,请务必查阅原文全文,而不是盲目相信包装宣传。

为什么 LH 与 FSH 的结果值得关注

LH 是垂体向睾丸发出的信号,促使其合成睾酮。如果一种物质提升睾酮的同时 LH 大幅上升,可能暗示身体在进行补偿;若睾酮上升而 LH、FSH 仍保持平稳,情况则更为微妙。这可能说明提升睾酮的机制并非单纯放大垂体信号,但摘要并未解释背后的原因。因此,任何机制性的解释都应视作推测,除非全文提供相应的实验支持。

DHEAS 的变化同样值得注意。DHEAS 是由肾上腺分泌的雄激素前体,随年龄递减。对四、五十岁男性而言其上升,至少说明 Shilajit 可能在整体调节雄激素状态(而非仅提升睾酮)方面发挥作用。

重要的局限性

该结果虽让人振奋,却存在以下实际限制:

  • 样本量有限。这不是大规模、多中心的临床试验。小样本容易出现难以复现的结果,单一研究无法代表共识。
  • 仅针对中年男性,非年轻健身者。受试者年龄在 45‑55 岁。睾酮随年龄下降,这一人群相对有更大的提升空间;而对 22 岁、睾酮本就高的年轻人而言,效果可能大不相同。切勿把结果外推至年轻运动员。
  • 激素水平不等于运动表现。摘要只报告了实验室指标,未涉及肌肉质量、力量、性欲或体型变化等实际表现。激素升高并不必然转化为健身房里的可见效果。
  • 健康志愿者。研究未涵盖患有明确性腺功能减退或其他疾病的男性。
  • 纯化提取物。试验使用的是论文中描述的纯化 Shilajit 制剂。未经纯化的原始树脂、随意包装的胶囊或未经过验证的产品,效果未必相同。

实际建议

剂量与周期:本研究的方案为每日两次、每次 250 毫克(合计 500 毫克/天),连续 90 天。既然已有明确剂量,就没有必要盲目“狂吃”。更高剂量在本研究中并未显示额外益处。

品质至关重要。Shilajit 是一种自然采自山岩的物质,未经处理或加工不当的原料可能含有重金属、富里酸含量不稳定以及其他污染物。这也是本研究强调使用纯化提取物的主要原因。购买时应挑选明确标注为“purified”并提供第三方实验报告的产品,最好能看到重金属(铅、砷、镉、汞)检测合格的证书。没有分析报告的产品风险极大。

适合人群:依据本试验,最相关的受众是 40‑50 岁左右、健康且希望轻微提升雄激素水平的男性。年轻男性、正在接受睾酮替代疗法的患者或有激素相关疾病的人群应谨慎对待。若存在甲状腺、前列腺、铁代谢或其他激素敏感疾病,或正在服用药物,请先咨询医生。若怀疑自己睾酮偏低,应通过正规血液检查确认,而不是盲目靠补剂猜测。

结论

这项随机、安慰剂对照的临床试验提供了初步且可信的证据:在健康的中年男性中,纯化的 Shilajit(每日 250 毫克 × 2,持续 90 天)能够提升总睾酮、游离睾酮以及 DHEAS,同时不扰乱 LH 与 FSH。相较于大多数“天然 T 助推剂”只能靠传统说法或体外实验的宣传,这一结果更具可靠性。但该试验规模有限、仅针对单一年龄段,不能视为终极定论。要把 Shilajit 当作已证实的睾酮提升方案,还需更大样本、多中心的重复研究、包括力量或体成分等实际表现指标以及长期安全性数据的支撑。

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.

DG

Written by

Dr. Gymbro

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

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