Reviewer: Theresa Greenwell

Spending time in the sunshine doesn’t just feel good — it’s also an easy way to help your body naturally produce vitamin D, the sunshine vitamin. The problem is that as many as 75 percent of U.S. teens and adults suffer from vitamin D deficiency. You need vitamin D. It...

Your metabolism is a big deal. It’s how your body turns food into energy, and that energy is what makes you, you. You burn more calories when you increase your metabolism, and you may have heard that certain foods, like chili peppers and caffeine, can kick your metabolism into high...

Your morning coffee comes with major benefits. Coffee is one of the richest sources of antioxidants in the average person’s diet, according to the American Chemical Society. Just one serving delivers beneficial compounds like chlorogenic acid, polyphenols, and caffeine. But what about your metabolism? As it turns out, coffee can...

Torch fat. Slim your waist. If you’ve ever looked at weight management supplements, you’ve probably seen metabolism pills and boosters that claim to burn fat in no time. But what does that actually mean, and can supplements really help your weight management goals? Here’s what you should know, plus tips...

Heard of moringa? If not, you soon will. This strange-sounding leaf powder supplement is one of the latest superfoods to gain the limelight — and for good reason. Moringa boasts a powerhouse of free-radical-fighting, health promoting compounds that benefit your heart, head, skin, and more. Moringa, a nutrient-packed plant found...

You may already know the link between good gut bacteria and gut health. These “good” bacteria do more than support digestion: They also influence mood, metabolism, weight, and the immune system while helping keep harmful microorganisms in check. Good bacteria grow all by themselves in the right environment or you...

Research now shows your gut bacteria may have more say in how much you weigh than what you eat. The research team specifically examined visceral fat, which is a type of fat that surrounds your organs and makes you carry weight in your middle. Of the various types and locations...

Traveling is all fun and games until you’re hangry in the car and haven’t had a full night’s sleep in three days. Fortunately, these travel hacks (directly from the Bulletproof team!) will make your next trip 100% easier. From combating jet lag to staying fueled between flights, here are just...

Throughout the day, your hormones ebb and flow like the tides. A surge of cortisol wakes you up in the morning, boosted by your cup of coffee. Then in the evenings, melatonin lulls you to sleep. Around mealtimes, leptin signals when it’s time for food. And while you’re eating, ghrelin...

If you’ve been drinking Bulletproof Coffee made with MCT oil, you’ve already felt the powerful effects these brain-boosting fats have on your energy and cognitive function. MCT oil, especially C8 MCT oil, in your coffee and on your food can raise fat-burning, brain-fueling molecules in your body called ketones much...

Have you ever noticed that you feel wide awake after a late-evening trip through the grocery store? Or, do you have a tendency to wake up between 3:00 and 5:00 a.m. if you’ve had too much to drink the night before? There’s an explanation for those, and other reasons your...

You might think of dreaming as a time when your mind wanders aimlessly, playing out all kinds of crazy scenarios. Are dreams just random hallucinations, or are they an integral part of your brain’s inner workings? Harvard psychologist Deirdre Barrett, Ph.D. has focused her career on the science of dreaming,...

I realized how important collagen was when I was hiking in Tibet, and the long trek plus being overweight destroyed my knees. When we went out to eat that night, I knew I needed collagen or cartilage, so I ordered a big bowl of steamed pig’s ears. It tasted about...

Sometimes, nothing quite takes the edge off after a long day like a glass of wine. But the not-so-fun part is the hangover the next day. Plus drinking regularly isn’t doing your health much good. So what do you do when you want to feel relaxed, minus the booze? Enter...

If you follow the Bulletproof Diet, you know that sipping bone broth and drinking collagen peptides powder can help you look and feel great. Collagen supports glowing and hydrated skin. It’s no wonder that collagen supplements have become a common addition to many wellness plans. But what does collagen do...

Thanks to social media apps like TikTok and Instagram, we’ve seen many coffee trends come and go. They start by making a splash and then quietly disappear. But the best ones? They earn a permanent spot in your routine—just like your daily cup of coffee. Protein coffee (also called “proffee”)...