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.

Oil, avocado, a bowl of nuts, salmon and pumpkin seeds on a wooden backdrop

Bulletproof Diet for Beginners: Everything You Need to Know to Get Started

The Bulletproof Diet can sometimes be confused with the Keto or Paleo diets. While there is overlap, the Bulletproof Diet is a more holistic way of supporting a healthy lifestyle. The diet considers food as fuel and challenges nutrition norms. The Bulletproof Diet also advocates personalizing your wellness approach to...

Lineup of various Bulletproof supplements on a tiled counter

The Top 10 Supplements That Everyone Should Take

Supplements are a way to fill in the gaps of a healthy diet, to ensure your body gets adequate amounts of the vitamins, minerals and other nutrients it needs to function optimally. But, in choosing any supplement, it’s important to know what to look for – to get the best...

l-tyrosine benefits dosage

Feeling The Effects Of Stress? L-Tyrosine Can Support Focus And The Brain

L-tyrosine is an amino acid (the building block of a protein) with science-backed benefits for your brain, focus, stress management and more. Getting adequate amounts of tyrosine, either through diet or from a supplement, can help support your brain function. Keep reading to learn how it works, how to take...

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Restoring Gut Flora: How To Balance Gut Bacteria

You have to take a course of antibiotics. You experience occasional gas and bloating after eating. You are navigating a stressful time by turning to rich foods and comforting sweets. All of these common situations can impact digestion and overall well-being. Thankfully, some simple habits and lifestyle changes can support...

Does Bulletproof Coffee Break Your Intermittent Fast

Does Bulletproof Coffee Break Your Fast? Understanding the Impact on Intermittent Fasting

Intermittent fasting is a popular eating pattern where you alternate between periods of eating and fasting. Some benefits of intermittent fasting include supporting memory, healthy weight management, longevity and improved insulin sensitivity. The Bulletproof Diet integrates intermittent fasting with its unique approach to food and nutrition. One key component is...

Vegetables and olives in glass meal prep containers

How to Meal Prep: A Beginner’s Guide for Perfect Make-Ahead Meals

Meal prep is a convenient approach you can use to make delicious, homemade food you’ll want to eat every day—without the wait. And while the end results may look impressive, meal prep doesn’t require complicated planning or tools. All you really need is time and basic kitchen skills. This beginner’s...

The Complete Intermittent Fasting Guide for Beginners

Intermittent fasting, also called IF, involves a cycle of fasting and then eating within a predetermined period of time. Humans naturally fast when we sleep and between meals and snacks. Intermittent fasting is based on research that supports extending those natural periods of fasting to promote certain health benefits. Keep...

Lineup of the entire Bulletproof Gummy Vitamin family on a tiled tabletop

Do Gummy Vitamins Work?

Gummy vitamins make taking care of your health look like child’s play. They’re delicious, convenient and offer a variety of vitamins and minerals. Many adults find them sweet since they remind them of the Flintstone vitamins they looked forward to as kids. It’s estimated that adults make up 80 percent...

Multiple supplements

NAC Benefits: What To Know About N-Acetyl Cysteine

N-acetyl cysteine, or NAC, is a dietary supplement that may help your body produce an important antioxidant called glutathione, which in turn can help protect against free radicals. Read on to learn all about NAC benefits, how NAC supplements can help support glutathione and how best to take NAC. What...

Hand scooping Bulletproof Innerfuel Prebiotic into coffee mug next to tub

Best Supplements for Gut Health: How to Support and Reset Your Digestive System

Gut health is a foundation of overall health. When you have a healthy gut, your whole-body benefits—you’re able to support a healthy immune system, skin and possibly even promote positive mood changes. While a healthy gut starts with a nutrient-dense diet, certain gut supplements can provide additional support to the...

serrapeptase benefits dosage

What Is Serrapeptase? What to Know Before Trying It

Serrapeptase is a proteolytic enzyme that breaks proteins in the body into amino acids. Originally isolated from a bacteria in silkworms, serrapeptase, also known as serratiopeptidase, is taken as a natural dietary supplement. Scientists and health care researchers are still are still researching the possible wellness properties of serrapeptase. Read...

CoQ10 Energy Supplement - Bulletproof

What is CoQ10? And how does it support energy?

Looking for a sustained energy boost? Bulletproof has supplements for that, and they just so happen to include a powerhouse ingredient you’ll definitely want to know about. Enter: Coenzyme-Q10 — best known as CoQ10 — a powerful antioxidant that works on the cellular level to fuel your mitochondria. The result?...

Bulletproof Apple Cider Vinegar Gummies held in someones hand

How ACV Gummies Can Support Gut Health & Digestion

Apple cider vinegar (ACV), is one of those must-have staples in your pantry and it doubles as a health supplement. Many people take it thinking it may help to support digestion, gut health and metabolism. However, drinking ACV in liquid form isn’t for everyone. Its strong, sour taste and high...

high achiever coffee

Enhanced Coffee: What is it and Why Should I Drink it?

Imagine starting your day with a cup of coffee that wakes you up, supports your mental clarity, and helps manage stress. Enhanced coffee, or functional coffee, is becoming a go-to for people who want more out of their daily routine. If you’re juggling work, school or family, but still trying...

Bulletproof Coffee Guide: Tips, Tricks, Recipes & More

There’s no better way to start your day than with a fresh cup of smooth, flavorful coffee. Of course, that’s only possible if you have the right ingredients, tools and knowledge. To help coffee drinkers maximize their brewing potential, we’ve put together a comprehensive guide that covers everything from how...

Coffee Anatomy 101: How Are Coffee Beans Made?

How are coffee beans made, and what exactly goes into brewing a delicious cup of coffee? It begins with high-quality beans that have been grown, harvested and processed with respect and care. In fact, you may be surprised at all the steps involved in transforming a humble seed into a...