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.

A person drinking a Bulletproof Sleep Collagen Protein tonic by candlelight

Melatonin for Sleep: Does it Work?

When you have low energy and feel groggy in the morning, consider taking melatonin for sleep. According to the CDC,...

An overhead shot of a hard-boiled egg split over a green salad

Is Going Low-Carb Right for You?

Among the endless list of popular diets, the unsung hero is undoubtedly the low-carb diet. Unlike stricter regimens, opting for...

Stressed man in yellow sweater at home

How Stress and Gut Health are Interconnected

Have you ever had butterflies in your stomach? It’s no secret that life stress is linked to gut issues. Studies...

Woman slicing butter on cutting board

Why Does Fat Make Food Taste So Good?

Bacon, ice cream, a burger and fries — what exactly makes these foods taste so good? You know about sweet,...

Bulletproof Sleep Induction Mat

How an Acupressure Mat Helps You Sleep Better

Can’t sleep? If counting sheep gives you a headache, try this sleep hack: lay on an acupressure mat. Similar to...

Fiber For Fat Burning and a Stronger Gut

What Is Fiber? Why Fiber Matters and How to Get More of It

You’ve likely heard that high-fiber foods are for you. But what is fiber? It’s the poster child for whole grains,...

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Bulletproof Whipped Coffee (Dalgona Coffee)

Dalgona coffee, also called whipped coffee, is basically the pumpkin spice latte of quarantine. It consists of an impossibly frothy...

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...

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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...

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...

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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...

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...

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...

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...

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...

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...