#vitamin c

2 articles

A bright, airy editorial still life photographed from slightly above on a pale oat-colored linen surface, in soft natural window light with gentle long shadows. In the foreground, a rustic ceramic bowl holds halved and whole oranges, glossy red bell pepper slices, and a few kiwi halves with emerald flesh. Beside it sit loose strawberries and a small pile of bright yellow lemon wedges. Their colors pop against the muted neutral palette. A single clear glass of water with a slice of orange rests nearby, catching the light.

On the right side of the frame, a pair of well-worn but clean walking sneakers in sage green and cream sits casually on the surface, with one lace loosely trailing. Behind them, a simple wooden chair with a light ash finish is partly visible and slightly out of focus, a quiet nod to the sit-to-stand test. A small stainless-steel stopwatch lies next to the shoes, with a subtle reflective glint.

A minimalist ceramic dish holds a few small, round, pale-yellow vitamin capsules, kept understated. A sprig of green leaves and a folded cotton napkin in soft terracotta add a warm accent. A small open notebook with a pencil rests in the upper left, its page blank except for faint, abstract pencil lines suggesting a simple rising graph, with no legible text.

The composition leaves generous negative space on the left third for title overlay, with a soft cream-to-peach gradient background. The mood is fresh, healthy, and contemplative, like a modern wellness magazine or a trendy online journal. The color palette is warm citrus orange, sunny yellow, sage green, and soft cream, with gentle terracotta accents. The depth of field is shallow, with crisp focus on the fruit and shoes and a creamy blur in the background. The overall look is clean, natural, and editorial, with fine film-like grain, true-to-life color, and a calm, optimistic tone. Landscape 16:9 framing.

Levný vitamín spojený se silnějšími nohama v pokročilém věku

BY DR. GYMBRO · 30. 10. 2026

Velká britská studie na více než 5 000 dospělých ve věku 48 až 92 let ukázala, že lidé s optimální hladinou vitamínu C v krvi (≥ 50 µmol/L) chodí rychleji a vstávají ze židle rychleji než ti s nižší hladinou. Ženy s touto hladinou měly také silnější úchop po úpravě na výšku, u mužů však souvislost nebyla. Asociace se objevily pouze při měření vitamínu C v plazmě, ne při odhadech z potravinových dotazníků. Studie je průřezová, takže neprokazuje příčinný vztah, ale stojí za to nechat si svou hodnotu zkontrolovat.

A wide, editorial-style flat lay photographed from above on a pale warm-gray stone countertop in soft morning window light. On the left, a small matte white ceramic bowl holds fine white arginine powder, with a wooden scoop resting beside it. At the center, two halved oranges and one whole lemon in saturated citrus tones, with a few glossy droplets of water on the cut surfaces, to suggest vitamin C. On the right, three slim amber glass capsule bottles with minimal cream labels and no legible text stand in a loose row, with a few white capsules spilling out. A single chrome dumbbell handle enters the frame from the upper right corner, partly cropped, its cool metallic sheen contrasting with the warm fruit. A sprig of green rosemary and a folded linen napkin in oatmeal beige add texture. Long soft shadows fall to the left. The palette is warm cream, sunny orange, soft yellow, and muted sage, with a few crisp accents of steel gray. The composition is airy and uncluttered, with generous negative space in the upper left for a title overlay. It has a shallow depth of field, a crisp foreground, and a faintly blurred background. The look is clean, contemporary, and wellness-magazine, like a premium health and fitness journal cover, with natural grain, high-end product photography quality, and a calm, fresh, trustworthy mood.

science research

3 g argininu + 500 mg vitamínu C: Testosteron stoupl o 26 % u kulturistů

BY DR. GYMBRO · 18. 10. 2026

Arginin byl dlouho považován za nadhodnocený podnětník dusičnaného oxidu, ale nová randomizovaná studie přináší zvrat – kombinaci s vitamínem C. U 50 mužských kulturistů po 45 dnech užívání 3 g argininu (rozdělených do tří dávek) a 500 mg vitamínu C došlo k výraznému zvýšení testosteronu i VO2max ve srovnání s placebem a zároveň k úbytku tělesného tuku. Růstový hormon, kortizol ani dusíková bilance se mezi skupinami významně nelišily. Jedná se o levný stack, který stojí za pozornost, ale pochází jen z jedné malé studie a vyšší testosteron nezaručuje větší svalovou hmotu.

#vitamin c

Levný vitamín spojený se silnějšími nohama v pokročilém věku

3 g argininu + 500 mg vitamínu C: Testosteron stoupl o 26 % u kulturistů

3 g argininu + 500 mg vitamínu C: Testosteron stoupl o 26 % u kulturistů