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.

MCT oil powder in shaker cup

Creatine Benefits: How This Supplement Works for More Than Muscle

For years, the strength training and fitness communities have spoken openly about the benefits of creatine for gaining body mass and building muscle. Meanwhile, many people have used creatine in an effort to boost their athletic performance. Yet despite being one of the most commonly used nutritional supplements, there are...

5 Health Goals That Aren’t Weight Loss

You are more than a number on a scale. Health isn’t just your weight: It’s how well you feel and how much energy you have. Wellness starts with simple, sustainable choices that become lifelong habits. If you want to feel strong, motivated and energized, consider one of these health goals....

Squares of a Bulletproof Chocolate Bar

Is Chocolate Healthy? 8 Surprising Answers to Questions About Chocolate

There’s so much to love about chocolate. That rich taste, signature smell and many different flavors are what keep people coming back for more. But chocolate isn’t healthy for you because it’s loaded with sugar…right? Not exactly. In fact, you can think of certain types of chocolate as a legit...

Woman eating a bar of chocolate for gut health

Is Chocolate Good For You? The Health Benefits of Chocolate

Theobroma cacao, the Latin name for chocolate, means “Food of the Gods” for a reason. It’s a heavenly way to lift your performance. There’s also some major health benefits of chocolate. We’re not talking about junk chocolate in candy bars and sweet desserts; dark chocolate has a long history as...

Ginseng roots and powder laying on travertine counter

Panax Ginseng: Uses, Benefits and More About This All-Star Adaptogen

Panax ginseng may sound like a complicated science term, but people across the globe have relied on this humble root for centuries. In fact, it’s gained a reputation as an all-star adaptogen that can provide mind and body benefits.† So what exactly makes Panax ginseng such a longstanding pillar in...

Hand scooping Bulletproof Energy Collagen Protein into coffee mug

What Are Adaptogens? 11 Natural Herbs to Keep You Balanced

Even if you’re dialed in with your diet and workout routine, the external stressors of work, family and everything in between can take a major toll on your health and well-being. Enter: Mother Nature, who brings a slew of natural ways to strengthen our internal systems that deal with periodic...

Athletic woman doing full-body workout with ropes.

The Ultimate Bulletproof Guide to Fitness, Exercise Supplements and Recovery

Achieving your fitness goals requires more than just loading up a barbell and hitting some full-depth squats and picture-perfect deadlifts. And as much as going on a morning run may help you inch closer to achieving your ideal body composition, utilizing supplements and following science-backed recovery protocols can provide a...

Assorted probiotic foods on a table.

Inside Bulletproof: You Already Know About Prebiotics and Probiotics—Time to Meet Postbiotics

You have likely heard of prebiotics and probiotics, but have you heard of postbiotics? While the term may be new, the principles and properties date back to antiquity and serve to complete the comprehensive collection that is the microbiome. Gut health starts with your gut bacteria… To put postbiotics into...

Man meditating outside

Your Guide to Light Therapy for Better Energy, Sleep and Mood

Light isn’t just good for your plants—it’s also good for your cells. From red light to sunshine, light benefits your energy, skin, brain function and even sleep. The trick is getting enough of it, at the right time…especially if you live in a place where it isn’t perpetually sunny year-around....

Coffee cup and roasted coffee beans with lemon slices.

Lemon Coffee for Fat Burning: Is the Juice Worth the Squeeze?

Could a squeeze of citrus in your morning cup of joe help you burn fat? While TikTok users around the world continue to sing the praises of lemon coffee, the idea of putting a tablespoon or two of that fresh-squeezed, lip-puckering juice into your mug isn’t exactly appetizing. Yet that...

Woman with a fitness watch standing outside

Want to Burn Fat? 8 Things Not to Do

Trimming body fat isn’t a goal exclusive to bodybuilders and fitness pros. From stay-at-home moms to dedicated gym goers, many of us strive to burn fat and improve our body composition. However, just because you commit to a fat-burning practice doesn’t mean you’re putting your body in the best position....

Two men boxing with a gym bag and tub of collagen in the foreground

9 Ways to Start Your Day For Lasting Energy

Think a mid-afternoon cup of coffee is necessary to make it through the end of the workday? Think again. By fueling your body and brain with the right nutrients and following a few energy-producing practices once you wake up, you can power through without reaching for that second (or third!)...

Green vegetables on a kitchen counter

Best Detox Foods: 19 Recipes for a New Year’s Refresh

It’s time to ditch bad diet trends and start fresh. If you want to set your digestive system up for success, your journey should begin with eliminating processed foods and replacing them with ones that’ll help detox your body. From keto-friendly sushi that takes less than 30 minutes to prepare to a...

Man raising arms in the air in celebration.

New Year New You: 8 Tips to Start the New Year Off Right

With the year finally coming to a close, that puts you one step closer to an opportunity for a fresh start. And, while you should definitely celebrate New Year’s Eve in style (you deserve it!), it’s also time to start preparing for some positive life changes, including following a proper...

Bulletproof Vanilla Energy Collagen being scooped into a mug of coffee next to tub

Complete Proteins: What Makes a Protein Complete?

What are complete proteins? Most people immediately think of chicken breast, steak, protein shakes or even eggs. While these are all common protein sources, there are so many other ways to get this critical macronutrient. Still, one fact remains: Not all proteins are created equal. Most animal products contain all...

Man jogging outdoors

Is Beta-Alanine Worth It to Boost Muscle and Workout Performance?

Whether you’re just starting your fitness journey or you’re ready to level up your results, it’s only a matter of time before exercise supplements come onto your radar. Once you go beyond the basic proteins and hydration drinks, you’ll start looking into supplements that are more targeted to your goals....