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#nad+

4 articles
Approach: macro science. Palette: warm (amber and copper).

Extreme close-up of a freshly sliced king oyster mushroom stem and gill edge, shot at a slight 30-degree overhead angle with a macro lens and shallow depth of field. The pale cream flesh shows individual fibrous hyphae and glistening moisture beads. Warm low-angle golden light rakes across from the left, turning the gill ridges into amber and copper lines with deep honey-brown shadows. A single tiny droplet on the cut surface catches a pinpoint of electric green reflection, as if lit from a hidden source. Background melts into out-of-focus burnished orange and chocolate tones. The mood is quiet, intimate and investigative, with real organic texture and no text.
longevity

蘑菇“长寿维生素”通过 H₂S 通路提升老龄大鼠的 NAD+

BY HELIX WARD ·

真菌化合物麦角硫胺(ergothioneine)因其潜在的抗衰老作用被昵称为“长寿维生素”。最新发表在《Cell Metabolism》上的研究表明,给老龄大鼠补充 ET 后,它们的跑步距离更长、肌肉血管化增强、肌肉量有所提升,同时肌肉 NAD+ 水平也上升。研究追溯这一效应至氢硫化物(H₂S)通路,涉及 CSE、硫化修饰以及酶 cGPDH。敲除 CSE 或 cGPDH,所有益处立即消失。需要强调的是,这仅是动物和体外实验,且有效的鼠剂量约相当于人类常规补剂的十倍。

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%

BY NOVA CHEN ·

每日一次服用烟酰胺核糖苷(NR)和白藜芦醇衍生物(Pterostilbene)的组合,是否能提升老年人的 NAD+?在首次针对人群的 NRPT(Basis)试验中,120 名年龄在 60‑80 岁的受试者连续服用八周后发现,推荐剂量可使血液 NAD+ 水平提升约 40%,双倍剂量可提升约 90%,且提升效果在整个研究期间保持稳定,未出现严重不良事件。下面我们一起解析这些数据的意义、剂量要点以及本研究未能解答的问题。

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。

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