#systematic review

2 articles

Approach 1, macro science, with palette D, a bold color field.

Extreme close-up photograph of raw berberine crystals, a vivid saturated yellow-orange powder of needle-like crystalline shards, heaped in a small mound on a glossy deep magenta acrylic surface. A few individual crystals are in sharp focus in the foreground, showing their faceted, translucent edges, with the rest of the pile softly blurred behind. Camera is low, about 20 degrees above the surface, with a shallow macro depth of field. Lighting is a single soft studio key from the upper left, with a crisp highlight along the crystal edges and a gentle magenta reflection beneath the mound. One tiny electric green glint of reflected light sits on a crystal tip. The mood is vivid, precise and slightly provocative, with a clear contrast between the yellow subject and the magenta field. There is no text anywhere in the frame.

"Prirodni Ozempic"? Berberin je poboljšao sve lipidne ishode – uz jedan uvjet

BY NOVA CHEN · 1. stu 2026.

Na društvenim mrežama berberin se opisuje kao „prirodni Ozempic“, ali što pokazuju stvarni znanstveni podaci? Pregled iz 2025. godine obuhvatio je 54 sistematska pregleda i otkrio da je berberin poboljšao svih 6 lipidnih ishoda i oko 93 % ishoda kod dijabetesa tip 2. Najslabija je bila učinkovitost kod pretilosti, a 45 od 54 pregleda ocijenjeno je vrlo niskom kvalitetom. Evo što dokazi zaista podupiru, kako se najčešće dozira i tko bi ga trebao izbjegavati.

Conceptual metaphor in a bold color field palette: a single brass balance scale sits dead center on a saturated mustard-yellow seamless backdrop, photographed at eye level with a 85mm lens and shallow depth of field. One pan holds a small mound of coarse white magnesium salt crystals, the other pan holds a rumpled, empty pillow-soft wad of grey linen, and the beam hangs almost level but wavering, suggesting uncertainty. A thin electric green thread loops from the beam's pivot as a subtle accent. Soft, large-source studio light from camera left casts a gentle, defined shadow to the right across the yellow surface. Crisp metal reflections, visible salt crystal facets. Mood: skeptical, calm, quietly questioning, clean and editorial.

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Magnezij za spavanje? 12 studija kaže da hype nadmašuje dokaze

BY NOVA CHEN · 31. lis 2026.

Magnezij se reklamira kao prirodni dodatak za bolji san, ali sustavni pregled 12 randomiziranih kontroliranih ispitivanja na odraslima pokazuje da dokazi ne podupiru njegovu redovitu upotrebu protiv nesanice. Rezultati su bili neujednačeni u upitnicima, EEG‑u, aktigrafiji i nosivim uređajima, a sigurnost dokaza bila je niska do vrlo niska. Pregled je koristio narativnu sintezu umjesto meta‑analize jer su studije previše varirale po obliku, dozi i populacijama. Neki odrasli još mogu primijetiti skromne subjektivne benefite, osobito oni s niskim unosom magnezij. Evo što je rad otkrio, što nije i kako razumno pristupiti probnom uzimanju magnezij.