Biocracked
Approach: conceptual metaphor. Palette: bold color field.

A single AA-style cylindrical battery, shown as a real object with a bare metal cap and a plain unlabeled matte sleeve, stands upright on a glossy surface. It is photographed from a low three-quarter angle against a saturated tomato-red seamless backdrop. The battery is half-filled with a translucent amber liquid that visibly rises inside a clear glass cutaway section. A thin ribbon of electric green light (#00e676) wraps around its base like a charging band. Soft large-softbox light comes from the upper left and produces crisp highlights on the metal and a clean, slightly blurred red reflection beneath it. A second, shorter battery sits out of focus behind, nearly drained and empty, to suggest contrast. The mood is energetic, optimistic and precise, with a tactile product-photography look and shallow depth of field.
Supplements

NR 与白藜芦醇衍生物(Pterostilbene)联用在人类试验中提升 NAD+ 约 40%–90%

Nova Chen · · 1 min read

关键数字:NAD+ 提升约 40%–90%

NAD+ 是细胞中负责能量代谢和 DNA 修复的重要辅酶,已有大量研究表明其水平会随年龄下降。这也是 NAD+ 前体成为热门膳食补充剂的原因之一。其中最受关注的配方之一 NRPT,将 烟酰胺核糖苷(NR) 与 白藜芦醇衍生物(Pterostilbene,PT) 组合,商业名称为 Basis。

该研究发表于 2017 年的 npj Aging and Mechanisms of Disease,是一项随机、双盲、安慰剂对照的首次人体重复剂量试验。核心结论如下:

  • 推荐剂量(NRPT 1X) 能使全血 NAD+ 提升约 40%;
  • 双倍剂量(NRPT 2X) 能使 NAD+ 提升约 90%;
  • 安慰剂组 未出现提升;
  • 未报告任何严重不良事件。

这些提升均基于四周时相对于安慰剂和基线的比较得出。

受试者及研究设计

本试验共招募 120 名年龄在 60‑80 岁的健康成人,随机分为三组:

  1. 安慰剂;
  2. NRPT 1X(推荐剂量);
  3. NRPT 2X(双倍剂量)。

受试者在双盲条件下每日服用对应补剂,共计 八周,期间研究团队监测全血 NAD+ 水平及安全性指标。

为何组合值得关注:NR + 白藜芦醇衍生物

NR 是一种微量存在于牛奶中的维生素 B3 形式,人体能够将其直接转化为 NAD+。白藜芦醇衍生物是一类结构类似于白藜芦醇的多酚,常见于蓝莓。理论上,两者协同作用可以提升 NAD+ 的合成效率。

本试验仅比较 NRPT 组合 vs. 安慰剂,未设单独的 NR 或 PT 组。因此,数据 无法说明 NAD+ 提升中各成分各自贡献了多少,也不清楚白藜芦醇衍生物是否真的增强了效果。

剂量要点简览

  • 剂量依赖性:剂量翻倍后 NAD+ 的提升幅度几乎翻倍,从约 40% 增至约 90%,说明效果与摄入量密切相关;
  • 起效快速:四周测量时已出现显著提升;
  • 持续提升:整个八周期间 NAD+ 均保持在高位,未出现先升后降的峰值现象;
  • 安慰剂组持平:说明观测到的变化不太可能是自然波动或心理暗示导致。

1X 组使用的是商业 Basis 的推荐剂量,即每日 250 mg NR + 50 mg 白藜芦醇衍生物;2X 组则为该剂量的两倍。若自行使用,请务必查阅原文中的配方细节,避免盲目复制。

安全性:研究报告的内容与未报告的内容

作者报告 八周内未出现任何严重不良事件,这对首次人体重复剂量研究而言是积极信号,且包括双倍剂量组在内。

但安全性证据仍有局限:

  • 研究时长较短:仅八周,无法评估多年每日服用的长期安全性;
  • 仅限健康人群:结果不一定适用于慢性疾病患者或服用多种药物的老年人;
  • 样本量有限:120 人分三组,罕见副作用可能未被捕捉。

本研究未作的宣称

试验的终点仅是 安全性和血液 NAD+ 水平,未报告 NRPT 能够:

  • 延长寿命或减缓衰老;
  • 提升力量、认知或整体能量感受;
  • 改善任何疾病相关指标。

NAD+ 的提升是一项生化结果,是否转化为更好的健康结局仍需更长、更严格、以临床终点为导向的独立试验。任何以 NAD+ 提升为已证实长寿策略的营销说法,都已超出本论文的实际证据。

批判性阅读要点

  • 全血 NAD+ 仅是代理指标:它说明前体已被吸收并转化,但不能直接反映肌肉、脑部等组织的真实 NAD+ 水平;
  • 行业参与度:该研究由膳食补充剂生产商资助,阅读时需关注论文中的利益冲突披露,独立复现的研究更具说服力;
  • 人群特异性:健康的 60‑80 岁老年人结果不一定适用于更年轻或有健康问题的群体。

结论

NRPT 试验简洁有力地展示了一件事:在健康老年人中,每日摄入 NR 与白藜芦醇衍生物的组合 能够剂量依赖地提升血液 NAD+——推荐剂量约提升 40%,双倍剂量约提升 90%,且在八周内保持高位,未出现严重不良事件。至于更高的 NAD+ 水平能否延长健康寿命、改善功能仍是未知数。若考虑使用任何 NAD+ 前体,尤其是高剂量或与药物同用,请务必先咨询医生。

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.

NC

Written by

Nova Chen

Nova Chen writes for Biocracked: biohacking science, longevity & human performance.

Related Articles

A bright, minimalist editorial still life on a pale warm-white stone surface, shot from a slightly elevated three-quarter angle in soft natural window light. At center, a small amber glass supplement bottle with a matte cream label, unbranded, sits beside a few loose white capsules. A pair of weathered hands in a light oatmeal linen sleeve, belonging to an older adult, rests gently near the bottle, with a ceramic mug of tea just out of focus. To the right, a clean glass vial and a delicate glass beaker filled with clear liquid catch the light, hinting at laboratory research without any futuristic touch. A small paper notebook with a handwritten simple line graph rising in a gentle curve lies open nearby, along with a sharpened pencil. Scattered at the edges are soft sprigs of dried eucalyptus and a few pale sage-green leaves, adding an organic note. A faint, abstract molecular diagram printed in muted teal ink on a card leans against the bottle, subtle and graphic. The palette is calm and modern: warm ivory, sage green, soft teal, muted amber, and touches of dusty peach. Long, gentle shadows fall across the surface, and the shallow depth of field blurs the background into creamy neutral tones. The composition leaves generous negative space on the left third for headline text. The overall feel is a trendy health and science journal: clean, airy, trustworthy, and quietly sophisticated, with fine film-like grain and true-to-life color. Ultra-detailed, 16:9 landscape.
supplements

每日摄入 1,000 毫克烟酰胺核苷可提升老年人血细胞 NAD+约 60%——随机对照试验发现

BY DR. SYNAPSE ·

2018 年《自然·通讯》进行的一项交叉试验让健康的中老年人每天服用 500 毫克烟酰胺核苷两次(共 1,000 毫克)为期六周。结果显示,补剂耐受良好,使血液免疫细胞中的 NAD+ 水平比安慰剂高出约 60%。研究者还观察到血压和动脉僵硬度的轻微下降趋势,但将其视为后续大规模研究的线索,而非已证实的益处。本文将解释 NAD+ 为何随年龄下降、该研究的设计以及它无法说明的疾病或寿命方面的结论。

A softly lit editorial still life on a pale oat-colored linen surface, shot from a slightly elevated three-quarter angle in a wide landscape frame. At center-left, a small matte white ceramic dish holds a modest pile of fine off-white powder, with a tiny brushed-brass measuring spoon resting beside it. Next to the dish stands a minimalist amber glass supplement bottle with a plain cream label and no readable text. A few capsules spill casually across the linen, some translucent and some opaque ivory.

On the right side of the composition, a ripe blood orange cut in half and a handful of raw almonds sit on a light ash-wood board. A sprig of fresh rosemary adds a muted green accent. A sheer glass of water catches the light and throws a soft, rippled caustic pattern across the fabric.

In the background, out of focus, a woman's hand in a soft sage-green knit sleeve rests near a ceramic mug. This suggests a calm morning routine without showing a face. Behind her, a tall window casts diffused, golden-hour light from the upper left, with gentle shadows and a creamy, shallow depth of field.

The palette is warm and restrained: oat, ivory, terracotta, sage, and amber, with a single pop of coral from the blood orange. A thin, abstract line of muted terracotta paint, like a brushed arc, sweeps across the upper right background. It subtly evokes a rising curve without becoming a literal chart.

The mood is calm, trustworthy, and contemporary, like a premium wellness and science journal feature. The image has crisp focus on the powder and bottle, natural film-like grain, soft contrast, and generous negative space in the upper third for headline overlay. It looks like a high-end editorial photograph with no text, logos, or futuristic elements.
metabolism

NMN首次人体成果:每日 250 mg 提升糖尿病前期女性肌肉胰岛素敏感性约 25%

BY DR. SYNAPSE ·

NMN 长期被视为长寿市场的“宠儿”,但在人类身上的实证非常稀缺,直到华盛顿大学 2021 年在《Science》上发布的临床试验才首次提供了明确数据。该试验在超重或肥胖的绝经后糖尿病前期女性中进行,结果显示,连续 10 周每日摄入 250 mg NMN 可使肌肉胰岛素敏感性提升约 25%。肌肉内胰岛素信号通路以及与肌肉重塑相关的基因表达也得到改善,而安慰剂组则未见变化。不过,这一效应仅限于肌肉组织,研究并未发现 NMN 能降低血糖或逆转糖尿病前期。

A wide, softly lit editorial still life on a pale travertine surface. In the center-left, a halved ruby-red pomegranate sits open, its glossy arils spilling in a loose cluster onto the stone. Beside it are a few cracked walnut halves and a small matte ceramic dish holding a pinch of fine cream-colored powder. A single aril catches a bright highlight near the foreground. In the soft-focus background, a sheer linen curtain filters warm morning sunlight, which casts long, gentle shadows across the scene.

On the right side, an elegant older woman's hand, seen only from the wrist down, rests lightly on the surface next to a minimalist glass of water. Her skin shows natural texture and warmth. A slim sprig of dried olive branch and a folded sage-green napkin add quiet, organic accents.

The palette is restrained and modern: deep garnet red, warm walnut brown, oat beige, soft sage, and creamy off-white. The composition leaves generous negative space on the upper right for title text. The depth of field is shallow, with crisp focus on the pomegranate and a creamy bokeh falloff. The lighting is natural, diffused, and slightly golden, in the style of a high-end wellness magazine or a contemporary science and nutrition journal. The mood is calm, clean, and quietly authoritative. The finish is photographic, with fine grain, subtle matte tones, and a premium editorial feel.
supplements

Urolithin A:石榴后生元在老年人中激活线粒体自噬特征

BY DR. SYNAPSE ·

Urolithin A 是一种由肠道细菌将石榴、核桃等食物中的鞣酸酯转化后产生的代谢物,长期以来被发现能够提升老龄动物的肌肉活力。首次在老年人中的临床试验显示,每日 500‑1000 毫克的剂量安全可耐受、能够被吸收,并能改变与线粒体功能相关的生物标志物。该研究由开发 Mitopure 的公司资助,结果显示肌肉中的分子特征提示线粒体健康得到改善。但研究规模小、周期短,仅测量了生物标志物而非实际的力量或寿命。以下将介绍研究数据、适用人群以及证据的局限。

Approach: macro science with a conceptual twist. Palette: bold color field.

Extreme close-up, slightly high three-quarter angle, of a raw salmon fillet's translucent coral flesh, with a glass pipette releasing a single droplet of pale amber peptide solution onto the muscle fibers. Glistening myotome layers and fine white connective lines are sharp in the foreground, with shallow depth of field melting the rest. The salmon sits on a saturated teal backdrop, so the orange-pink flesh contrasts strongly with it. Soft, large-source studio light from upper left gives crisp specular highlights on the droplet and moist fibers, with gentle neutral shadows. A tiny electric green reflection glints inside the droplet. The mood is precise, fresh and curious, like a food-science lab photograph. Photorealistic, with no text.
peptides

三文鱼肽 vs 乳清蛋白:8 周内铁蛋白提升 13%(14 人试点)

BY NOVA CHEN ·

挪威的一项小规模试验发现,每日摄入 12 克三文鱼蛋白水解物,可在八周内让铁蛋白水平提升约 13%、红细胞计数提升约 7%。相比较之下,乳清蛋白的效果要弱得多。次要指标还暗示炎症下降、血糖改善以及体成分提升。不过该研究仅有 14 名受试者且由原料厂商资助,只能视作提示性信号,而非确凿证据。下面将介绍三文鱼肽是什么、试验的主要发现、它与胶原肽的区别,以及为何需要保持谨慎。

This page is available in