Dr. Gymbro
A wide, editorial-style photograph of a professional track cyclist mid-stride on a velodrome's sloping wooden boards, captured from a low side angle with a shallow depth of field. The cyclist is in a sleek matte charcoal and soft coral skinsuit with an aerodynamic helmet, slightly motion-blurred, while the wood grain of the track glows in warm honey tones. Soft morning light streams through high arena windows, creating long, gentle beams and a subtle haze.

In the foreground, slightly out of focus, a minimalist still-life is arranged on a pale oak surface: a small amber glass supplement bottle with a clean cream label, two golden-orange softgel capsules resting beside it, and a ceramic cup of water. A small sprig of green leaves and a halved avocado add a fresh, natural touch, hinting at taking the supplement with fat. The composition places the still-life in the lower left third, with the cyclist blurring into the background on the right, creating a layered sense of depth.

The color palette is warm and refined: creamy off-white, honey wood, muted coral, soft amber, and touches of sage green. A thin, elegant overlay of subtle graph-like lines, such as two delicate rising curves in white, one slightly higher than the other, floats faintly over the upper right negative space, suggesting the small performance gap without any text or numbers. The overall look is clean, modern, and magazine-quality, like a wellness and sports science journal feature, with natural film-like grain, soft contrast, and generous negative space at the top for headline placement. Landscape 16:9 composition, calm and sophisticated mood, no text, no logos.
Nutrition

奥运选手摄入 300 毫克 Ubiquinol,提升约 2.5% 功率

Dr. Gymbro · · 1 min read

奥运选手摄入 300 毫克 Ubiquinol,提升约 2.5% 功率

摘要:在一项针对 100 名备战 2012 年伦敦奥运会的运动员进行的双盲研究中,所有受试者的骑行表现都有所提升;但每日服用 300 毫克 Ubiquinol 的组提升更明显:+11% 对比安慰剂组的 +8.5%。这约 2.5% 的差距在统计上显著。本文将解析 Ubiquinol 与 Ubiquinone 的差异、数据背后的含义,以及为什么这段优势对职业自行车手意义重大,却对休闲举重者影响有限。同时还会讨论剂量、伴随油脂服用的必要性、哪些人需要先咨询医生以及性价比等实用信息。

所有受试者都变快了

在对 100 名德国年轻运动员(备战伦敦 2012 奥运会)的实验中,安慰剂组和 Ubiquinol 组在六周训练后都出现了峰值功率的提升,说明训练本身是主要推动因素。每日摄入 300 毫克 Ubiquinol 的组提升更大:+11.0% 对比 +8.5%,相差约 2.5%。这是否值得追求,取决于你的竞技层级和目标。

Ubiquinol 与 Ubiquinone:到底有什么区别?

辅酶 Q10(CoQ10)是线粒体电子传递链的关键分子,负责把食物转化为 ATP。它存在两种形态:

  • Ubiquinone:氧化型,常见于大多数传统 CoQ10 补剂;
  • Ubiquinol:还原型,也被称为“活性”形态。人体先把 Ubiquinone 转化为 Ubiquinol,后者才能携带电子并发挥抗氧化作用。

生产商经常宣称 Ubiquinol 吸收更好,这也是其价格偏高的原因。但该说法仍有争议。本研究并未比较两种形态,只是把 Ubiquinol 与安慰剂进行对照。

研究概况:谁、做了什么、多久

该实验发表于 2013 年《国际运动营养学会期刊》(Alf, Schmidt & Siebrecht),采用双盲、安慰剂对照设计:

  • 受试者:100 名受过系统训练的德国青年运动员(53 男 / 47 女,平均约 20 岁)
  • 背景:均在备战 2012 年伦敦奥运会
  • 剂量:每日 300 毫克 Ubiquinol 或相同外观的安慰剂
  • 时长:6 周
  • 测试指标:自行车功率计测得的峰值功率,单位为每公斤体重瓦特(W/kg),在 4 mmol 乳酸阈值下测试
  • 测量时间点:基线、3 周、6 周

整个实验期间,运动员自行安排训练,遵循各自的奥运备战计划。

结果:两组均有提升,Ubiquinol 组更为明显

组别 基线 结束 变化
安慰剂 3.64 W/kg 3.94 W/kg +0.30 W/kg(+8.5%)
Ubiquinol 3.70 W/kg 4.08 W/kg +0.38 W/kg(+11.0%)

两组差异为 +0.08 W/kg,约 2.5%,统计显著(p < 0.03)。显而易见,训练贡献了大部分增益——即便是安慰剂组也提升约 8.5%。Ubiquinol 在此基础上提供了温和的额外助力。

为何 2.5% 的优势值得关注(以及何时可能不重要)

在竞争激烈的耐力或力量项目中,2.5% 并非小数。顶级赛事往往以千分之一的差距决出胜负,任何合法、低风险且能略微提升输出的干预都值得一试。自行车手、划船手、短跑运动员以及其他依赖峰值功率的项目受益最大。

但对休闲举重者来说,这一信息的实际意义有限。实验使用的是自行车功率,而非深蹲、卧推或硬拉等力量指标,结果难以直接套用到力量训练上。0.08 W/kg 的差距即使用仪器记录,也难以用肉眼感知。如果你的睡眠、蛋白质摄入和训练一致性没有到位,这些基础因素对表现的影响远大于任何胶囊。

细节与局限性

在决定是否入手之前,请注意以下几点:

  • 训练未统一控制:每位运动员自行安排训练。随机分组虽能平衡差异,但仍会产生噪声;Ubiquinol 组的标准差高达 ±8.2%,说明个体反应差异大。
  • 行业关联:论文作者之一是保健原料顾问,研究与 Ubiquinol 主要供应商 Kaneka 有合作关系。虽不直接否定结果,但仍需独立团队的复现。
  • 单一指标、效应小:研究仅以自行车峰值功率为唯一评价指标,未评估力量、冲刺时间或实际比赛成绩。
  • 人群局限:受试者均为年轻、健康、受过系统训练的德国人。年长运动员、业余选手或其他族群的反应可能不同。

综上,这更像是一个有希望的信号,而非最终定论。

实际使用建议

  • 剂量:每日 300 毫克 Ubiquinol(本研究使用剂量)。
  • 服用时机:CoQ10 为脂溶性,建议随含脂肪的餐食一起服用,如鸡蛋、鳄梨、坚果、橄榄油或肥鱼;空腹服用可能降低吸收率。
  • 持续时间:本研究为期 6 周,效果在第 3 周和第 6 周出现,别期待“一夜之间”见效。
  • 适用人群:
    • 追求边际收益的耐力或力量竞技者;
    • 已经在训练、营养和恢复方面做到位的运动员;
    • 正在服用他汀类药物(会降低体内 CoQ10)的个体——补充前务必咨询医生,因为 CoQ10 可能与华法林等抗凝剂产生相互作用。
  • 可能不必使用:初学者与休闲举重者更应把重点放在渐进负荷、足够蛋白质和充足睡眠上。

成本与价值评估

Ubiquinol 的售价普遍高于普通 CoQ10,且 300 毫克的每日剂量也高于市面上常见的 100 毫克推荐量。因此每月花费往往显著高于肌酸或咖啡因等已有大量证据支持的补剂。对追求每一点优势的竞争者而言,这笔支出或许值得;对大多数人来说,它应排在优先级较低的位置。

结论

标题中的数字真实无误,但提升幅度有限:在为期六周的实验中,每日 300 毫克 Ubiquinol 相较安慰剂,使运动员的峰值功率提升约 2.5%。这并非魔法药丸,证据来源于单一且具有行业关联的研究,且大部分收益仍来自训练本身。如果你所处的竞技层级对细微差距极为敏感,这是一项低风险、值得尝试的手段;若不是,请先把资源投入到基础训练和恢复上。

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.

Related Articles

A wide, softly lit editorial flat-lay on a pale warm-gray stone countertop, shot from slightly above. On the left, a small rustic ceramic bowl in matte cream holds a handful of dried guarana seeds, dark glossy brown with pale cream arils, a few spilling onto the surface. Beside it sits a halved fresh guarana fruit in vivid red-orange, split open to show the white flesh and black seed inside, looking like a tiny eye. On the right, two open clear capsules rest side by side. One is filled with fine white caffeine powder, the other with a fine earthy brown guarana powder, and a little of each dusts the stone in delicate, deliberate lines. Between them, a minimalist matte-black espresso cup with a thin ribbon of steam rises on the right edge of the frame. A brushed-steel stopwatch and a slim dark-green linen notebook with a pencil sit in the upper background, slightly out of focus, to hint at performance testing without clutter. A few green leaves of a guarana vine curve in from the top-left corner, catching soft light.

The lighting is natural window light from the left, with gentle long shadows and a subtle warm highlight on the seeds. The palette is muted and modern: warm creams, terracotta red, deep espresso brown, sage green, and charcoal accents. The background is clean with generous negative space on the upper right for headline text. Shallow depth of field, crisp focus on the seeds and capsules, fine grain, and a calm premium magazine look like a contemporary wellness and sports-science journal. No people, no text, no logos, no futuristic elements.
science research

瓜拉纳 vs 咖啡因:相同剂量下,只有瓜拉纳显著提升峰值功率

BY DR. GYMBRO ·

在相同剂量的咖啡因下,两种胶囊的效果并不相同:瓜拉纳显著提升了峰值功率,而无水咖啡因的提升未达统计显著。该结论来自对 18 名活跃男性的随机交叉试验。文中还将详细分析数据、研究局限,并给出按咖啡因含量给瓜拉纳精准计量的实用建议。

A wide, editorial-style flat lay photographed from above on a pale oat-colored linen surface in soft morning window light. On the left, a small matte white ceramic cup of black coffee with a delicate swirl of steam, beside a few scattered roasted coffee beans. On the right, a second matte sage-green ceramic cup holding a pale, creamy golden tea-like drink, mirroring the first. Between them, two small glass vials with cork stoppers sit side by side: one holding fine white powder, the other holding slightly warmer cream-colored powder, with a tiny brass measuring spoon resting nearby. In the lower foreground, a slim wooden rowing oar lies diagonally across the frame, its blade edge softly entering from the right, painted a muted navy with a thin terracotta stripe. A minimalist analog stopwatch with a brushed-steel case rests near the oar, and a folded cream notebook with a thin pencil suggests data-taking. In the upper corner, a crescent-shaped dried eucalyptus sprig and a small folded gray wool throw hint at sleep and calm without being literal. The palette is warm and restrained: oat, cream, sage, soft navy, terracotta, and espresso brown. Shadows are long and gentle, with shallow depth of field and subtle film grain, giving a refined, modern wellness-magazine feel. Generous negative space on the left third of the composition leaves room for a headline overlay. Clean, calm, tactile, and contemporary, with no text, logos, or futuristic elements.
science research

副黄嘌呤 vs 咖啡因:最佳组合与助眠之选

BY DR. GYMBRO ·

副黄嘌呤是咖啡因的主要代谢产物,近期在一项针对 14 名划船运动员的随机交叉试验中与咖啡因正面对决。两者各 200 mg 的组合在 2000 米划船测试中比安慰剂更快,但效应仅为小幅(d = 0.30)。单独服用任一成分均未显示明确的表现提升,且副黄嘌呤单独使用对主观睡眠更友好。以下是具体数据、研究局限以及可能受益的人群。

A wide, editorial-style flat lay photographed from above on a pale warm-gray concrete surface, lit by soft natural window light with gentle shadows. On the left, three small matte ceramic bowls in sage green, soft terracotta, and cream, each holding a different white crystalline powder. The textures vary subtly: fine and powdery, slightly granular, and glittery with tiny crystalline flecks. Beside them rest three minimalist wooden scoops, a few scattered grains catching the light. In the center-right, a worn classic black-and-white soccer ball sits slightly off-frame, partially cropped by the edge, with a pair of muted navy cleats resting nearby, laces loosely draped. A small stopwatch with a brushed-steel finish and a folded sheet of graph paper with a hand-drawn bar chart in soft coral and teal pencil add a subtle sense of data and measurement. A few blades of fresh-cut grass and a sprig of eucalyptus add organic accents. The palette is calm and modern: warm neutrals, sage, terracotta, and muted navy, with one pop of coral. The composition leaves generous negative space in the upper right for headline text. The mood is clean, curious, and trustworthy, like a contemporary health and science journal. Shallow depth of field, crisp focus on the powders, with the soccer elements slightly softer. High-end editorial photography, 16:9 landscape.
science research

克兰酸盐(HCl)在足球运动员中胜过单水合物——别急着丢掉你的单水合物

BY DR. GYMBRO ·

一项针对 40 名足球运动员的随机对照试验显示,克兰酸盐(HCl)和乙酯盐在仅四周的训练后,在跳跃、冲刺、敏捷和峰值功率等指标上均优于传统的肌酸单水合物。所有肌酸形式都显著优于安慰剂,但“高端”版本在爆发力方面更具优势。不过该研究每组仅有 10 人,摘要未给出剂量信息,且结果与既往研究相左。下面我们一起看看它到底说明了什么、没有说明什么,以及该如何客观看待这份数据。

A cyclist's legs mid-pedal on a stationary road bike, shot in a bright, airy, minimalist studio with a soft warm-grey backdrop. In the foreground on a pale oak table sits a small ceramic dish holding four deep coral-red softgel capsules, with a few translucent droplets of red-orange oil glistening beside them. Beside the dish is a sprig of dried red microalgae-toned seaweed and a halved wild salmon fillet, its coral flesh echoing the capsule color. Behind the table, slightly out of focus, a cyclist in a fitted charcoal jersey and matte black shorts rides a bike on an indoor trainer. Only the torso and legs are visible, with no face. A white towel hangs over the handlebars and a clear water bottle catches the light.

Soft diffused morning light streams from a large window on the left, creating long gentle shadows and a subtle golden-hour glow on the skin and the glossy capsules. The palette is restrained and editorial: warm cream, sand, soft grey and charcoal, with vivid coral-red as the single accent color. A minimalist analog stopwatch with a clean white face sits on the table, its hands near the 85-minute mark. A thin, elegant line-graph shape is subtly suggested by a curved strip of red ribbon lying on the table, rising from left to right to hint at the performance gain without any text.

The composition follows the rule of thirds, with the capsules and stopwatch in the lower left and the cyclist's motion-blurred legs sweeping across the right. Shallow depth of field, crisp macro detail on the capsules, and a fine film-like grain. The overall feel is a modern health and science magazine cover: clean, calm, sophisticated, and natural, with negative space in the upper area for a headline. There are no futuristic elements, no glowing effects, no laboratory equipment, and no text or logos. Landscape 16:9 format.
nutrition

4天虾青素让骑行极限时间从72分钟提升至85分钟——小规模试验

BY DR. GYMBRO ·

在一项小规模的随机对照试验中,受试者连续四天每日摄入28 mg虾青素后,骑行至力竭的时间从约72分钟延长到85分钟,提升幅度约18%。同样的方案还能抑制高强度骑行后肌肉损伤标志物(CK、LDH)和脂质过氧化物(MDA)的升高。炎症指标和燃料利用并未出现显著变化,机制仍不明确。该剂量远高于市面多数软胶囊的含量,且研究仅涉及十位年轻男性。

This page is available in