A major 2025 review in Nutrients examines the link between vitamin D and kidney health. Observational studies suggest that CKD patients with adequate vitamin D levels have significantly lower mortality rates, but the evidence has important nuances worth understanding.
New research breaks down the science of bodybuilding nutrition, from protein targets and post-workout recovery to what 33 top coaches actually recommend. Here's where coaching wisdom and lab evidence agree, and where they don't.
Not all nutrient forms are absorbed equally. A 2025 review of vitamin C supplements found that alternative forms like calcium ascorbate and liposomal vitamin C can deliver more of the vitamin to immune cells than standard ascorbic acid. Meanwhile, research on plant polyphenols shows that gut bacteria and dietary fiber play a crucial role in unlocking their health benefits.