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.

An overhead shot of plant-based foods

Vegetarian Keto: Can Vegetarians Go Keto ?

Does the thought of going vegetarian keto seem almost impossible to you? After all, the ketogenic diet doesn’t include many carbohydrates. The typical macronutrient breakdown with this eating plan allows for less than 50 grams of net carbs per day, going as low as 20 grams. If you don’t eat...

Everything You Need To Know About Gut Health_header

How to Improve Gut Health and Support Your Microbiome

For total wellness from the top down, start with your gut. Gut health can have an impact on everything from your skin to your metabolism to your mental wellbeing. But keeping your gut healthy is no small task-—there are tens of billions of microbes in your digestive tract that can...

Eggnog in a glass

18 Festive and Nutritious Paleo, Low-Carb and Keto Holiday Recipes 

Were you left forkless and frowning when the pumpkin pie made its appearance on Thanksgiving? Well, we’re here to ensure you don’t make that same mistake twice! From Hanukkah latke making to Christmas cookie decorating, we’ve got plenty of keto holiday recipes and paleo treats to help you celebrate this...

A small bowl of rice, diced sweet potatoes and salad on a plate

Why Carb Cycling Can Be an Effective Strategy for Keto Dieters

Carbohydrates continue to be a hot topic in the world of nutrition. Both low-carb and ketogenic (keto) diets rely on specific macronutrient ratios to achieve a state of ketosis. But if heavily restricting carbs sounds too extreme, there is a happy medium: carb cycling. This style of eating gives you...

Dairy-free pesto with collagen protein

Dairy-Free Pesto with Collagen Peptides

Recipe and content provided by Amanda Haas Pesto is one of my absolute favorite condiments.  Whether it’s slathered over grilled chicken or shrimp, used as a dressing for salads, or served with crudités for dipping, this pesto packs a punch of nutritional benefits. Basil is loaded with anti-inflammatory properties, and...

how to get rid of a cold

How to Strengthen Your Immune System Naturally

The weather changes. You traveled by plane. You lost a night of sleep. And now you’re feeling … blegh. You want to feel your best day in and day out, but sometimes, life has other plans. Fortunately, there are things you can do right now to support and strengthen your...

A man cooking dinner in the kitchen

Is Keto Safe Long Term? Find Out if This Diet is a Sustainable Choice for You

For anyone exploring a new diet, one of the biggest concerns is sustainability. After all, sticking to a diet and achieving positive results requires plenty of discipline over a period of time. This especially applies to the keto diet, which has its own set of science-backed requirements. However, if you’re...

Supplements on empty plate

Can You Take Supplements While Fasting? Everything You Need to Know

Fasting means abstaining from food for a specific period. There are many ways to do it, the most common being intermittent fasting, where you alternate between eating and fasting windows. Extended fasting lasts 24 hours or more, like the 48-hour fast. Another popular method is time-restricted eating, where you consume...

Woman with head on gray pillow

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, more than a third of us in the United States aren’t getting enough quality sleep. Things in our everyday life, from stress and excess screen time to jet lag and...

Bulletproof The Original coffee, Brain Octane Oil and butter on countertop by cup of black coffee

Is Bulletproof Coffee Good for You? Why You Want Quality Fats in Your Coffee

If butter makes everything better, then butter coffee sounds like a double win. Bulletproof Coffee is a blend of three hard-working ingredients: grass-fed butter, Brain Octane C8 MCT Oil and clean coffee. But if you’re new to the world of keto coffee, butter and MCT oil in your coffee may...

Dish of avocados filled with eggs, bacon & chives

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 low-carb offers flexibility when it comes to your food choices. Dieting is not a one-size-fits-all approach, and the low-carb diet plan allows for more customization. Not ready for keto? Not...

How to Make Cold Brew Coffee

There’s something special about refreshing cold brew, and it isn’t just the caffeine. It’s the clink of ice in a glass, the steady pour, that first crisp sip of chilled coffee. When you compare iced coffee vs. cold brew, they’re totally different experiences. Keep reading to find out what makes...

Woman holding glass of water & touching her head with a distressed look on her face

What Is the Keto Flu? What to Do When Keto Makes You Crash

You’re starting the ketogenic diet, and you’re psyched to reap all those keto health benefits you’ve heard about: increased fat burning, lasting energy and supreme focus. But instead, you start to feel irritable at the breakfast table, your energy levels are dipping and you’re having trouble sleeping at night. Bad news: You’ve...

Variety of foods with varying amounts of net carbs

How to Calculate Net Carbs on Keto And Why Not All Carbs Are Equal

If you’re new to the ketogenic diet, you might ask, “What are net carbs? Why should I care?” On a lower-carb diet, net carbs vs. total carbs are a big deal. Every gram of carbohydrate you eat counts. It’s essential to know how to calculate net carbs so you don’t...

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 show the relationship between the two is bi-directional: stress in your life can cause gastrointestinal distress, and gut issues can actually cause psychological stress. Read on to learn how this...

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, salty, sour, bitter and umami, but can we actually taste fat? Read on for the science behind why we crave fatty foods. Is fat a flavor we can taste? We...