#randomized controlled trial

2 articles

A wide, softly lit editorial still life on a pale warm-gray concrete surface, shot from a slightly elevated three-quarter angle. In the center-left, two matte ceramic scoops sit side by side. One holds fine ivory whey powder, the other holds slightly coarser, pale golden collagen peptide powder. A small, elegant dusting of both powders spills between them and blends into a soft swirl. Behind them, three minimalist cream and sage-green supplement tubs with no legible text stand in a staggered row, with a frosted glass shaker bottle of creamy liquid beside them.

On the right, a brushed-steel barbell plate and a compact chalk-dusted kettlebell rest slightly out of focus, suggesting resistance training. Pale wisps of chalk hang in the air. A folded charcoal gym towel and a pair of worn leather lifting straps lie in the foreground. A single cross-section of a clean white bone model, a stylized vertebra, rests on a small oak block at the far right. It subtly signals the bone-density theme without looking clinical.

Natural window light enters from the left, casting long, gentle shadows and a warm highlight on the powders. The palette is muted and modern: oatmeal, bone white, sage green, soft charcoal, and touches of warm amber. Shallow depth of field keeps the scoops tack-sharp and melts the background into creamy blur. Leave generous negative space in the upper right for headline overlay. The overall feel is a premium health and science journal cover: clean, tactile, minimalist, with fine film-like grain and a calm, editorial mood.

Whey ve Kollajen Tek Başına Kullanıldıklarında Lifters’da Üstün Çıktı — Bir Kıskaç

BY DR. GYMBRO · 28 Eki 2026

30 g whey ile 10 g kollajen karışımı, yeni bir 8‑haftalık çalışmada whey tek başına, kollajen tek başına ve plaseboya kıyasla tüm ölçütlerde üstün geldi. Kombinasyon, BIA ile ölçülen kas kütlesine 2,66 kg, bel omuru BMD’sine anlamlı bir artış ve squat, bench press ile kemik dönüşüm belirteçlerinde iyileşme sağladı. Kollajen tek başına kemik, whey tek başına ise kas üzerinde etkili oldu. Çalışmanın sadece 40 katılımcısı, eşit olmayan protein dozları ve şaşırtıcı derecede büyük BMD artışı gibi sınırlamaları bulunuyor; bu da bir "kıskaç" olduğunu gösteriyor.

A bright, airy editorial flat-lay shot from slightly above, on a soft warm-white linen surface with gentle natural window light and long, soft shadows. Two small ceramic dishes sit side by side at the center. The left dish holds a single small capsule in muted terracotta. The right dish holds one small capsule in the same color, with a noticeable empty space beside it to suggest rhythm and spacing. Between them lies a minimalist wooden calendar block or a row of seven small round ceramic discs in alternating tones, dusty rose and cream, evoking an every-other-day pattern. Around the dishes are fresh, iron-rich foods arranged with restraint: a halved blood orange, a few deep green spinach leaves, a small scattering of pumpkin seeds, and a sprig of parsley. A folded sage-green athletic towel and a slim, modern water bottle sit at the upper edge, hinting at women who train. A matte ceramic mug of herbal tea sits at the right with a faint curl of steam. A small notebook with a pen lies open at the lower left, its pages blank, suggesting lab results and tracking without any legible text. The palette is soft and cohesive: warm cream, dusty rose, terracotta, sage green, with small accents of deep coral. The mood is calm, clean, and wellness-oriented, like a contemporary health and science journal feature. Shallow depth of field keeps the capsules sharp and softly blurs the edges of the frame. The composition leaves generous negative space on the left third for title overlay. The look is a high-end lifestyle photograph with subtle film grain, natural textures, and refined minimalism, with no people, no text, and no futuristic or laboratory elements.

nutrition

Az Demir, Her İki Günde Bir: Kadınlarda Aynı Ferritin Artışı

BY DR. GYMBRO · 26 Eki 2026

Hepcidin, tek doz sonrası demir emilimini azaltabilir ve bu da ağızdan alınan demirin sık sık mideyi rahatsız etmesinin nedeni olabilir. 2026 yılında, 66 demir eksikliği yaşayan kadın üzerinde yapılan rastgele kontrollü bir çalışmada, 48 saatte bir 21 mg demir ve günlük 30 mg demir 42 gün boyunca karşılaştırıldı. Her iki grupta da ferritin anlamlı şekilde yükseldi; aradaki fark istatistiksel olarak anlamlı değildi. Hemoglobin stabil kaldı ve gastrointestinal yan etkiler hafifti. Çalışma plasebo içermediği ve demir formları farklı olduğu için sonuçlar üstünlük değil, karşılaştırılabilirlik bağlamında değerlendirilmelidir.