One softgel of this supplement delivers 5,000 IU of vitamin D — 25 percent more than the official daily upper limit set by U.S. health authorities. Here’s what that actually means, and whether the coconut oil and vitamin K2 in the same capsule change the picture. This post contains affiliate links. If you make a … Read more
Magnesium glycinate is sold everywhere as the “best absorbed” form of magnesium. The problem: the official NIH list of well-absorbed magnesium forms doesn’t actually include it. Here’s what the research does and doesn’t say about absorption, sleep, and how much is actually safe to take. This post contains affiliate links. If you make a purchase … Read more
The idea that creatine wrecks your kidneys traces back to a single 1998 case report — and that patient wasn’t just taking creatine, he’d also been on a kidney-damaging drug for five years. Here’s what nearly 30 controlled studies since then have actually found. We’ll get into where this fear actually came from, what the … Read more
Here’s the uncomfortable math on that 1,000mg vitamin C capsule: once you cross the 1-gram mark, your body’s absorption rate drops below 50% — and popping a second capsule won’t change that. If you’ve ever wondered whether a high-dose vitamin C pill is really doing what the label promises, this is the article for you. … Read more