NAC and Glutathione: What It Does and Why It Matters

Disclaimer: This article is not medical advice. This product is not intended to diagnose, treat, cure, or prevent any disease. Talk to your clinician before starting any supplement, especially if you are…

Close-up of a digital smartwatch on a wrist displaying the time
Do Sleep Trackers Actually Help You Sleep Better?

Nearly half of adults in some surveys have used a sleep tracker, a smartwatch, a ring, or an app that promises to decode your nights. The pitch is compelling. Measure your sleep,…

Four green glass bottles of organic apple cider vinegar with red apples on a wooden crate
Does Apple Cider Vinegar Do Anything?

Apple cider vinegar might be the most confidently recommended substance on the internet. Drink it before meals to melt fat. Take a shot every morning to “alkalize” your body. Use it to…

Young hiker with a loaded backpack walking a rocky mountain trail
Are Weighted Vests Worth It for Bone Density?

Weighted vests are having a moment. Scroll fitness TikTok or Instagram and you will find people walking, hiking, and doing chores in vests loaded with 10, 20, even 40 pounds, claiming it…

Close-up of a woman walking on a treadmill in a gym wearing purple running shoes
Does Zone 2 Cardio Extend Your Life?

Zone 2 cardio has become the unofficial religion of the longevity world. Brisk walking, easy cycling, long slow rows, all done at a pace where you can still hold a conversation. The…

Homemade cardboard standing desk
Do Standing Desks Actually Improve Your Health?

The best long-term data we have says no, not in the way the marketing promised. A study of more than 83,000 adults found that standing more did not reduce cardiovascular disease risk,…

Practitioners sitting in zazen meditation in a Zen dojo
Does Breathwork Actually Reduce Stress?

Yes. This is one of the rare wellness trends with a genuine evidence base. Randomized controlled trials and meta-analyses show that structured breathing, especially slow breathing with an extended exhale, reduces self-reported…

Breakfast table with a bowl of yogurt, fresh fruit, and a jar of honey
Do Probiotics Actually Work?

The honest answer is yes for some things, no for many others, and “it depends on the strain” for almost everything. Probiotics are one of the few supplement categories with genuine randomized…