#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 Plus Collagen Beat Either Alone in Lifters—With a Catch

BY DR. GYMBRO · Oct 28, 2026

Mixing 30 g of whey with 10 g of collagen beat whey alone, collagen alone and placebo on every outcome in a new 8-week trial of resistance-trained men. The stack added 2.66 kg of muscle (by BIA), lifted lumbar spine BMD and improved squat, bench and bone turnover markers. Collagen alone moved bone, and whey alone moved muscle. But with only 40 participants, unmatched protein totals and a surprisingly big BMD jump, there is a catch. Here is what the stack won, who it may suit and who should skip it.

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

Less Iron, Every Other Day: Same Ferritin Gains in Women

BY DR. GYMBRO · Oct 26, 2026

Hepcidin can throttle iron absorption after a daily dose, which may be why oral iron so often disappoints and upsets the stomach. A 2026 randomized trial in 66 iron-deficient women tested 21 mg of iron every 48 hours against 30 mg daily for 42 days. Ferritin rose significantly in both groups with no significant difference between them, while hemoglobin stayed stable and GI effects were mild. The catch is that this was active-controlled with no placebo, and the iron forms differed, so the result is comparable rather than superior. Here is what it means for women who train, and why you should test ferritin before supplementing.