Dr. Gymbro
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Wide landscape editorial photograph of a mountain biker mid-ride on a dusty red-orange singletrack trail in the South African Western Cape, golden hour light raking across the scene. The rider is in sharp focus on the right third of the frame, wearing a weathered cycling kit with a race number plate on the handlebars, dust kicking up from the rear tire. Behind them, rolling hills covered in fynbos shrubland and silhouetted protea plants fade into soft, hazy blue mountains. Warm amber sunlight creates long shadows and a soft rim light around the rider and bike.

In the lower left foreground, slightly out of focus, a small minimalist glass vial and a clear water bottle sit on a flat sun-bleached rock, with a few drops of liquid catching the light. Next to them, a simple matte paper notecard and a pencil suggest data collection, with no legible text. The vial and bottle are clean, understated, and modern, with no branding.

The color palette is earthy and refined: terracotta, ochre, sage green, dusty teal sky, and cream highlights. The composition uses shallow depth of field, a generous negative space in the upper left sky for headline overlay, and subtle film grain. The mood is contemplative, skeptical, and quietly sophisticated, like a feature photograph from a high-end outdoor sports and science magazine. Natural, candid, cinematic, shot on a 50mm lens with soft contrast and muted saturation. No futuristic elements, no glowing effects, no molecular graphics, no text.
science research

Ketone IQ erhöhten die Blutketone beim Cape Epic, aber sonst nichts

BY DR. GYMBRO ·

Rennende beim acht­tägigen Cape Epic tranken zweimal täglich Ketone IQ und erreichten etwa 1 mM Blutketone, doch ihr Ermüdungsgrad, ihre Herzfrequenz, Reaktionszeit und Erholung waren genauso wie bei den Placebo‑Renner*innen. Die doppelblinde Studie testete R‑1,3‑Butandiol unter realen Rennbedingungen statt im Labor. Die Autoren schließen, dass die moderate Ketose nicht wirksam war und dass Butandiol nicht mit Ketonestern verwechselt werden darf. Mit nur 18 Teilnehmenden hat die Untersuchung offensichtliche Grenzen, liefert aber ein nüchternes Datenstück für alle, die ein teures Keton‑Drink zur Regeneration erwägen.

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