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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

Gljiva ‘vitamin dugovečnosti’ povećala NAD+ kod starih štakora putem H₂S prekidača

BY HELIX WARD ·

Ergothionein – gljivični spoj koji su nazvali „vitamin dugovečnosti“ – podigao je nivo NAD+ u mišiću i poboljšao izdržljivost kod starijih štakora. Efekat je ostvarен putem vodonikovog sulfida (H₂S) i aktivacije enzima cGPDH; kada se CSE ili cGPDH eliminišu, benefiti nestaju. Ipak, radi se o eksperimentima na životinjama, a efikasna doza za štakora je otprilike deset puta veća od uobičajenih doza kod ljudi.
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 + pterostilben podiže NAD+ za ~40–90 % u ljudskom ispitivanju

BY NOVA CHEN ·

Može li dnevna kapsula nikotinamid‑ribozida i pterostilbena podići nivo NAD+ kod starijih osoba? U prvom kliničkom ispitivanju NRPT (Basis) 120 ljudi starosti 60–80 godina uzimali su suplement osam nedelja. NAD+ u krvi je porastao otprilike 40 % pri preporučenoj dozi i čak 90 % pri duploj dozi, a taj porast je ostao stabilan kroz ceo period. Ozbiljni neželjeni efekti nisu zabeleženi. Evo šta brojevi pokazuju, koje su pouke o doziranju i šta studija ne može da vam odgovori.
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

1.000 mg nikotinamid‑ribozida dnevno podiglo NAD+ u krvnim ćelijama za oko 60 % kod starijih odraslih osoba, prema randomizovanom istraživanju

BY DR. SYNAPSE ·

Randomizovano, dvostruko zatvoreno, placebo‑kontrolisano krstajuće ispitivanje u *Nature Communications* iz 2018. godine proučavalo je 500 mg nikotinamid‑ribozida dva puta dnevno (ukupno 1.000 mg) tokom šest nedelja kod zdravih sredovečnih i starijih odraslih osoba. Suplement je bio dobro podnet i podigao nivo NAD+ u imunološkim ćelijama krvi za otprilike 60 % u odnosu na placebo. Istraživači su takođe zabeležili prve naznake mogućeg snižavanja krvnog pritiska i smanjenja arterijske krutosti, ali to su samo podsticaji za veće studije, a ne dokazane koristi. Ovaj članak objašnjava zašto se smatra da NAD+ opada s godinama, šta je studija radila i šta ona ne može da nam kaže o kliničkim ishodima ili dugovečnosti.
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

Prvi ljudski uspeh NMN‑a: 250 mg dnevno podiglo osetljivost mišića na insulin za oko 25 % kod predijabetičnih žena

BY DR. SYNAPSE ·

NMN je dugo bio omiljeni dodatak na tržištu dugovečnosti, ali dokazi na ljudima bili su oskudni sve dok 2021. nije objavljena studija Univerziteta Vašington u časopisu *Science*. Kod postmenopauzalnih žena sa predijabetesom i prekomernom težinom, 250 mg NMN dnevno tokom 10 nedelja poboljšalo je insulinsku osetljivost mišića za otprilike 25 %. Signali insulina u mišiću i geni povezani s remodelacijom mišića takođe su se pojačali, dok u placebo grupi nije bilo promena. Međutim, korist je bila uska i studija nije pokazala da NMN snižava nivo glukoze u krvi niti da preokreće predijabetes.

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