Reviewer: Theresa Greenwell

Theresa Greenwell is the Scientific Affairs Manager at BulletProof 360. She received her degree in Dietetics from the University of North Carolina at Greensboro and has over 16 years of experience in supplement and nutritional product formulating, regulatory affairs, scientific research, and marketing. Having grown up as an overweight child, she strives to make products that will help others reach their weight and health goals in a way that is maintainable, not just temporary.

Theresa is passionate about animal welfare, history, health and hanging out with friends and family. She enjoys archery, target shooting, singing, dancing, hiking, roller skating and amusement parks.

Variety of vegetables and fruits

Does Your Gut Control Your Immune System? The Science Behind the Connection

Want to support your immune system? Early research suggests it all starts with your gut. Scientists are still cracking the code to understand the science behind the connection. They’re finding your gut microbiome is calling a lot of the shots when it comes to your body’s immune response. The most...

Bowl of cherries on tablecloth

6 Benefits of Cherries, a Bite-Sized Superfood

Cherries are packed with delicious nutrition. They give you a bite-sized boost of essential vitamins and nutrients, including potassium, copper, vitamin C and polyphenols. Cherries also support workout recovery, help fight free radicals and even help you sleep better, among other benefits. Plus, they’re just as great frozen as they...

Variety of sliced citrus

What Is Vitamin C, and What Does It Do?

We all know it’s important, but what does vitamin C actually do? Can orange juice really help your body beat a cold? Vitamin C benefits range from boosting your T-cells, to helping your neurons function and your body repair injuries. Here’s the low-down on what vitamin C does, recommended doses...

Black and white photo of woman sleeping in bed

How to Sleep Better and Manage Stress with Exercise

You’re in bed, staring up at the ceiling and wondering why you can’t fall asleep. The reality is, there are a lot of valid reasons to be stressed right now. Stress can keep you up at night, leaving you feeling anxious and tense. What are ways to relieve stress so...

woman placing Bulletproof collagen peptides in her pantry

How to Stock a Healthy Pantry with Long-Lasting Staples, Plus Recipes

Your pantry is a wonderland. It’s the key to nutritious meals that you can rely on, whether you’re strapped for time or trying to limit your trips to the grocery store. The thing is, common lists of pantry staples aren’t always ideal, especially if you follow a keto, paleo, gluten-free...

Whey protein supplement

6 Best Workout Supplements to Supercharge Your Training

Whether you’re just starting a new workout routine or have been hitting the gym for a while, you might be wondering whether workout supplements can make a difference. Many products on the market today make extensive claims. What are the best workout supplements to hit your goals, and which ones...

Person in front of the word

Constantly Snacking? Nutrition Expert Shares How to Eat Mindfully

You’re home. So is your fridge. Whether you’re bored, stressed or working from home, it’s tempting to eat throughout the day when you’re just a few feet away from the kitchen. We spoke with Jacqueline Hale, IFPA Nutrition Specialist and owner of Jackie Yvonne Nutrition, about how to manage your...

rooibos tea benefits

Rooibos Tea Benefits Weight Management, Plus 9 Other Reasons to Drink It

Introducing rooibos (pronounced “ROY-boss”), one of the hottest teas to drink right now. An herbal tea from South Africa, rooibos is a delicious, caffeine-free way to upgrade your tea habit. While other teas have an acquired taste, rooibos tea has a sweet, mild flavor profile with notes of honey and...

sliced meat on a plate with fork

6 Ways to Improve Sleep Using Food

Not only does the Bulletproof Diet help you feel more focused and energized, it also supports better sleep. That’s because eating more quality fats and nourishing your body gets people much closer to where they need to be in terms of sleep quality and quantity. Here are the top six...

Acetyl L Carnitine

How Acetyl-L-Carnitine Burns Fat and Powers the Brain

Acetyl-L-carnitine (ALCAR) is a powerful addition to your supplement toolbox. This valuable little molecule has been a staple in the bodybuilding and brain-hacking communities for years now, thanks to its ability to help you lose weight and power up your brain. Read on to learn more about the benefits of...

Male stretching in bed

Could Your Sleep Chronotype Be the Key to Productivity Even if You’re Not a Morning Person?

The sleep chronotype theory proposes that, at least in terms of productivity, night and morning people are equals who simply operate on different schedules. “The early bird gets the worm.” “Early to bed and early to rise makes a [human] healthy, wealthy and wise.” Those colloquial proverbs tell us that...

Person sitting out in nature

Why Self-Care Should Be Part of Your Wellness Routine

Contrary to what you’ll see in your Instagram feed, self-care isn’t always about lavish trips to the spa or digging into a pint of ice cream. It’s about behaviors and actions that allow you to pause and free up mental space. You might not associate self-care with your diet, but...

Filets of salmon on paper

What Is the Pegan Diet? What Happens When Paleo Meets Vegan

The pegan might have been named for the paleo and vegan diets, but it doesn’t require you to eat like a caveman and banish animal products. The diet is a set of eating habits that Dr. Mark Hyman believes reflect what our bodies need to maintain optimal health. The majority...

Woman looking at sleep tracker in bed

We Tested Four Sleep Tracker Apps and Wearables: Here are the Best Ones

Statistics show that a third of people reading this do not get enough sleep. Not getting enough sleep makes you feel groggy and distracted, and it has long-term effects. Insufficient sleep increases your risk of conditions like: Diabetes Heart disease Depression Hormone imbalances Cancer There are hundreds of other conditions...

Plate of salmon and vegetables on orange table

The Ultimate Diet Guide: Pros and Cons of Popular Diets

A diet isn’t necessarily a way to lose weight. The word “diet” just refers to the way you habitually eat — but for decades, different styles of eating have come and gone (and, in some cases, come back again). What are they all saying, and which one is right for...

Hands holding cup of tea

Sleepytime Tonic for Two

Recipe and images by Jordan Pie Relax, unwind and drift off to dreamland with this Sleepytime Tonic. It’s a dairy-free riff on moon milk, a traditional herbal remedy to support relaxation, stress relief and sleep. Mix ashwagandha with warmed coconut milk, honey and spices for the perfect relaxing drink to...