Supplement
Whey Protein - What It Is, What It Does, and How to Use It
Whey protein is the most popular protein supplement in the world, but what does the evidence actually support? Here's what it does, the types, how much you need, and whether it's safe.
What Are Omega-3s, and Is Fish Oil Worth Taking?
Omega-3s matter, but fish oil isn't a cure-all. Here's what the evidence actually shows: triglycerides, heart health, brain, dosing, safety, and who benefits.
Creatine - What It Does, How to Take It, and Is It Safe?
Creatine is one of the most researched supplements in existence. Here's what it actually does, the right dose, how to take it, who benefits most, and whether it's safe, without the gym-bro hype.
The Case for Vitamin D
Vitamin D is essential, but it's not a cure-all. Here's what the science actually supports, who really needs a supplement, and how much you should take.
Magnesium Glycinate for Sleep: Does It Actually Work?
Magnesium glycinate for sleep has real biological logic behind it, and clinical evidence suggests it can modestly help. But the effect is small, studies are mostly in older adults, and it works best if your magnesium levels are already low. Here's what the science actually says.