02Supplements
Does Vitamin D Really Prevent Everything It's Marketed For?
Vitamin D does a few specific things well. The longer list of diseases it was supposed to prevent did not hold up when the large trials finally ran.
Section 02
Supplements
Clear-eyed reviews of what works, what's hype, and what to skip.
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- 02Supplements
Best Electrolyte Supplements in 2026: An Evidence-Based Ranking
Five electrolyte powders ranked against what the evidence actually says about absorption, the sodium-potassium ratio, ingredient red flags, and label transparency.
- 02Supplements
Are "Natural" Supplements Automatically Safe?
The word natural is reassuring, but it says nothing about safety, dose, or interactions. We explain why, and how to vet a supplement sensibly.
- 02Supplements
Collagen Supplements: Do They Do Anything for Skin and Joints?
Collagen supplements are booming. We check the trend against what's actually been measured for skin and joints, and where claims outrun evidence.
- 02Supplements
Is Magnesium the Answer to Better Sleep?
Magnesium has become a go-to sleep aid online. We weigh the buzz against a fairly thin evidence base and look at food sources versus pills.
- 02Supplements
Do You Really Need a Daily Multivitamin?
We look at who plausibly benefits from a daily multivitamin, who probably doesn't, and what the data says about the popular insurance-policy idea.
- 02Supplements
Does Vitamin C Actually Prevent Colds?
The belief that vitamin C wards off colds is decades old. We revisit it against the trial evidence and the key difference between prevention and duration.
