Adam Campbell

Adam Campbell is Precision Nutrition’s editor-in-chief. He holds a master’s degree in Exercise Physiology from the University of Kansas, and a BA in Creative Writing from the University of Missouri-Kansas City. His certifications include NSCA Certified Strength Conditioning Specialist (CSCS) and Precision Nutrition Level 2. He’s won two National Magazine Awards (2012, 2004).

Prior to Precision Nutrition, Campbell was Chief Content Officer of Rodale, Inc., where he led editorial content for all Rodale brands and products, including Men’s Health, Women’s Health, Prevention, Runner’s World, and Rodale Books. Before that he served as Editor-in-Chief of MensHealth.com and Fitness Director for the Men’s Health brand.

Campbell has authored or coauthored six books—with over one million copies sold—including the New York Times bestseller Men's Health Big Book of Exercises and The Women's Health Big Book of Exercises. He’s also appeared on Today, Good Morning America, The Early Show, and The Dr. Oz Show.

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Articles by Adam Campbell

All About Environmental Eating: Part 2

When leading a lifestyle to benefit the environment, you have to pick your battles. The good thing is that many of these environmentally friendly tips also help you save money. Everyone wins! Here are some popular strategies for conserving resources.

All About Nutrient Deficiencies

Cracked lips? Weird tingling? Scratchy eyeballs? Could be the morning after the night before, or it could be a nutrient deficiency.

All About Bad Fats

What do margarine, Doritos, and kinky caterpillars have in common? Find out!

Protein supplements:

Little Miss Muffet drank a 50 gram whey protein shake. Miss Muffet can absorb 10 grams every hour. How long does it take for Miss Muffet to absorb all the protein?

All About Fructose

Afraid of apples? Petrified of pears? Don't be -- it's not as scary as what may be lurking in your yogurt.

Informal Experiments: How do pH strips work?

Cabbage: not just for coleslaw any more! Learn about pH strips and make your own, right in your own kitchen.

All About BCAAs

Branched chain amino acids, aka BCAAs, are important players in protein synthesis. Without enough of them in your diet at the right times, you could be sacrificing some hard-earned gains in the gym.

All About Beta-Alanine

Beta-alanine supplementation may help buffer lactic acid and help with healing, muscle recovery, and muscle contraction. But for now, the evidence is mixed.

All About Caffeine

There's nothing like a good ol' espresso buzz before a morning workout; after all, research shows that caffeine can improve your athletic performance temporarily. But is it GOOD for you? How does it work? We review the evidence.

All about local food

Eating local isn't just for crunchy-granola people; everyone can benefit from a close relationship between local producers and consumers. Grab your cloth shopping bags, hit your farmer's market, and make some new farmer friends while enjoying better-tasting, more nutritious, and environmentally friendly food.

Finding a new doctor in ’09

While I’m called "Doctor Berardi" by some, I don’t have an MD nor do I pretend to. I try to steer clear of medical recommendations and stick with exercise and nutritional suggestions. However, one thing I don't feel shy in doing is recommending that each of you takes a long hard look at who you're using right now to oversee your health, both from a preventative angle and a disease treatment angle.

Research Review:

Should Santa have put phosphatidylserine on his Christmas wish list?

All About Alcoholic Beverages

Drink to your health? What you need to know about alcohol consumption and physical wellbeing.

John Berardi goes vegetarian? Here’s what happens when a confirmed meat-eater tries to build muscle on a nearly-vegan diet.

By some strange, twisted set of circumstances, JB finds himself trying to build muscle while following a strict plant-based diet. Some say this is impossible. Click here to find out.

Omnivore, vegetarian, flexitarian?

Oh the carnage! My recent vegetarian experiment has really ruffled some feathers. But it need not. Indeed, there are some important lessons that omnivores and vegetarians should learn from one another. Lessons that'll improve health, performance, and body composition.

All About Carbohydrates:

The basics of how carbohydrates can affect your health and performance. As the Yiddish proverb goes, "If you are bitter in the heart, sugar in the mouth will not help you." To put it another way, if your blood triglycerides are elevated, you might want to reconsider that cola.

Forget the milk: Got fiber?

With the “Got Milk” campaign bombarding people with milk messages I kinda wish I had access to that milk money to promote some other stuff, stuff that actually helps folks get leaner and healthier. For example, fiber. If more people focused on fiber (instead of milk), overall health in North America would improve dramatically. So forget the milk. The important question is this one - Got Fiber?

High intensity interval training:

Serendipitous? Probably. Just last week, Jon Chamberg, strength and conditioning coach to UFC World Welterweight Champion, Georges St Pierre, was crushing me with a crazy conditioning workout and today this article appears in my inbox. Learn how to get into wicked shape with these high intensity training sessions.

The truth about “body type dieting” for ectomorphs, endomorphs, and mesomorphs.

Body types have been used to determine what sports suit someone best, as well as what athletes should be eating to fuel their activities. But are body types actually a “thing,” and should people really be using them to determine their nutritional needs? Here, we’ll dig into the history of body typing, whether they’re scientifically valid, and how to know if body type eating is right for you.

All About Cardio

Now that we've been through the aerobics craze, Jazzercised and Jane Fonda'd, and sweated to the oldies, what's the best way to do cardio training?

The meat debate:

This week, I wanted to discuss something that's come up quite a lot over the last few weeks. The question of whether eating meat is actually good for us — or whether it's disease waiting to happen.

Research Review: Is more really better?

One set versus multiple sets -- it's like the Sharks and the Jets, the Montagues and the Capulets, chocolate sauce and pickles. The two just don't seem to get along. The debate over which is better for strength and muscle mass gain has raged for years. Have we finally found the definitive answer?

All About Food Sensitivities

Gassy? Throat closing up? Sensation of digesting broken glass? It might not be just your spouse's poor cooking skills; you could have a food sensitivity.

All About Cortisol

Whether the economic crisis keeps you awake at night, whether you're stressed out at work, or whether you're just hitting the treadmill too often and for too long, you might be at risk for chronically elevated cortisol levels. Find out what cortisol is, how it works, and how it can affect your health, performance... and even that six-pack you covet.