Hydroxyapatite toothpaste is a fluoride-free option that has some research backing its effectiveness. mihailomilovanovic/Getty Images hide caption
November 2, 2026 • Many people are swapping out their fluoride dental products for ones made with a mineral called hydroxyapatite. What do dentists say about it?
June 29, 2026 • Can the mix really help with premenstrual woes? Theoretically, the link between histamine and hormones could explain why the trendy DIY treatment seems to help some women.
June 1, 2026 • Baby calves rely on it to build up their immune systems and gut. And now marketers are promoting it for humans. Here's what scientists say.
Adding more fiber to your meals should be a gradual process, nutrition experts say. Go slowly and drink water. Natalia Gdovskaia/Moment RF/Getty Images hide caption
May 18, 2026 • There are a lot of wellness trends that make health experts roll their eyes in skepticism. But there is one big trend that many experts can get behind – with a few caveats: fibermaxxing.
May 11, 2026 • Wellness and longevity influencers are pushing a compound called NAD+. There's scientific interest in its potential, but researchers say the marketing claims have gotten ahead of the science.
April 13, 2026 • Wellness influencers tout the therapy's power for everything from rejuvenating skin and hair to boosting longevity. Devices sold for at-home use abound. We look at the evidence behind the hype.
March 16, 2026 • Some people online believe many of us have dangerous parasites in our gut and need to flush them out with herbal supplements. Here's what doctors say about the trend.
February 23, 2026 • The latest wellness craze involves injecting these molecules for athletic performance, longevity and more. Scientists say the research isn't keeping pace with the health claims.
January 4, 2026 • We reported on all sorts of products and practices promising to make you healthy last year. Here are the ones that stood up to science, and those that were mostly hype.
December 15, 2025 • Taking drops of a medical dye is trending in wellness and biohacking circles. Some influencers claim it boosts longevity and brain health. Scientists say the hype has gotten ahead of the research.
Collagen is the most abundant protein in our bodies. It helps keep our skin firm and elastic. But as we age, the amount and quality of that collagen declines. And some people turn to supplements. Luis Echeverri Urrea/iStockphoto/Getty Images hide caption
October 20, 2025 • With age comes wisdom. And wrinkles. And joint pain. In wellness circles, the buzz is that collagen supplements can help with all these concerns. But are these claims something you should swallow?
This Irish sea moss, Chondrus Crispus, is dried, raw and full of nutrients. Katerina Solovyeva/500px Plus/Getty Images hide caption
September 22, 2025 • It grows in the ocean and wellness influences claim it can boost gut health, reduce anxiety and give you glowing skin. Sea moss is the latest social media superfood. Is there evidence that it works?
September 15, 2025 • Social media influencers claim that using lotion with magnesium promotes sleep. But there's little evidence magnesium taken in this way is effective.
September 4, 2025 • Creatine supplements have long become increasingly popular as social media influencers tout their benefits. What does the evidence say?
August 25, 2025 • It's a growing fitness trend. People say wearing a weighted vest when you exercise builds bones, strengthens muscles and improves cardiovascular health. But does research back up these claims?
August 11, 2025 • Social media is full of videos saying hormonal contraception can hurt you and promoting natural alternatives. How did the treatments get such a bad reputation and do alternatives work?
Sports drinks and instant electrolyte powders have gotten popular for general wellness, not just for athletes. Vitaliy Krivchikov/iStockphoto/Getty Images hide caption
August 4, 2025 • Seems like nobody's drinking plain water these days. Electrolyte packets or colorful sports drinks are everywhere. But do you need them?
Protein has taken over the packaged-snack aisles at the grocery store. But do you need extra protein in your chips and muffins? winterling/iStockphoto/Getty Images hide caption
July 19, 2025 • Protein has taken over the packaged-snack aisles at the grocery store. But do you need extra protein in your chips and muffins?
June 2, 2025 • Rendered beef fat is having a moment as a viral skincare trend. TikTok influencers claim this 'natural' product is a complexion panacea. But is it? We asked skincare experts.
April 14, 2025 • On TikTok, people are gobbling up greens like they are giant primeval beasts. Nutritionists say it's not a bad way to get more fiber and micronutrients in.
March 14, 2025 • In a recent appearance on Fox News, Robert F. Kennedy Jr. ate French fries cooked in beef tallow and mused that 'food is medicine.' Nutrition scientists are scratching their heads.