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Meet the Experts

Ryan Andrews



Ryan Andrews is a principal nutritionist and adviser for Precision Nutrition and an adjunct instructor at Purchase College, State University of New York. He holds master’s degrees in both Nutrition and Exercise Physiology from Kent State University and a BS in Exercise Science from the University of Northern Colorado.

Andrews is also a Registered Dietitian (RD), Certified Strength and Conditioning Specialist (CSCS) through the National Strength & Conditioning Association (NSCA), a certified exercise physiologist (ACSM), and a Registered Yoga Teacher (RYT).

He frequently writes and speaks about nutrition, health, and sustainable food systems and has accumulated over 1000 hours volunteering at organic farms and with non-profit food recovery organizations.

Articles by Ryan Andrews, MS, MA, RD, RYT, CSCS

Closeup of a man and woman drinking a glass of milk seated at a table.

All About Vitamins & Minerals

It’s not breaking news that vitamins and minerals are essential to good health. Most of us have been told that since we were in diapers. Heck, even Lucky Charms brags about being “fortified with 12 essential vitamins and minerals.” So they must be important! But why, exactly? How many vitamins and minerals are there, and […]

Fully plant-based, vegetarian and pescatarian protein sources to eat more of.

Protein for plant-based eaters: How to choose the best sources.

Plant-based protein is an important part of any vegan, vegetarian, or plant-forward diet. Find out which high protein foods are best for plant-based eaters.

Dairy: Is it good or bad for you?

We’re often asked whether dairy is good or bad. Short answer: It depends. In this article we’ll help you make sense of the research — and the wildly different opinions — sharing everything you need to decide if dairy is for you.

25+ nutrition and lifestyle strategies to lower your risk of Alzheimer’s disease.

Worried about Alzheimer’s disease and neurodegeneration? There are many things we can’t control when it comes to cognitive decline. But certain nutrition and lifestyle choices may help to lower our risk. Here’s how to stack the deck in your brain’s favor.

The cost of getting lean:

Six-pack abs. Tight butts. Lean, vibrant, flawless health. That's the image the fitness industry is selling. But have you ever wondered what it costs to achieve that "look"? What you have to do more of? And what you really have to give up?

18 ways to start transforming your body immediately.

Changing how you think is hard. Changing your environment isn't. By training your environment, your habits follow. Here, 18 strategies from the experts. They'll help you you improve your lifestyle and transform your body, no willpower required.

Are detox diets good for you?

Those colorful, expensive bottles of juice look healthy. But are detox diets good for you? Here’s what the science says — and how a juice cleanse landed one of our nutrition experts in the ER.

Becoming a vegetarian without giving up meat.

Becoming a vegetarian can make you healthier and leaner, but for most people the term brings to mind anemic zealots, astronomical Whole Foods bills, and a weepy goodbye to bacon. Here’s how to get the benefits of plant-based eating without all the crazy (and, yes, without giving up meat).

Living well with fibromyalgia

Once dismissed as a made-up problem, the pain disorder fibromyalgia is now confirmed to afflict millions, including a staggering 3.4 percent of adult women. The good news is that it’s easier than ever to feel better thanks to our (slowly) increasing knowledge. The bad news: As with any fledgling market, everyone wants to sell you a quick fix. But with help from trusted trainers and coaches, you can get the real answers, begin developing new lifestyle strategies today, and start feeling better tomorrow.

Eating when sick:

Feed a cold and starve a fever, goes the old saying. But how should you consider eating when sick? Nutrition expert Brian St. Pierre examines the evidence. He also shares some guidelines on what to eat, and what to avoid, next time you come down with a virus or infection.

Exercise when sick:

Everybody gets sick. But it’s tough to know what to do about it; do you exercise when sick or not. Should you “sweat it out”? Or get some rest instead? In this article we clear up the confusion. Next time you come down with the flu or a cold, you’ll know what to do.

Tennis and Golfers Elbow: Understanding and treating epicondlylitis.

Tennis and golfer’s elbow:

The elbow may be known as the “funny bone” but if you suffer from tennis or golfer’s elbow, the pain you feel is no joke. Read on to discover why it hurts – and what you can do to regain comfort, mobility, and top performance.

Oil Pulling for Oral Health: Miracle mouth cure? Or new age hippy hype?

Oil pulling for oral health

As people get proactive about health, they try to eliminate more and more chemicals from their environment. This means making smarter decisions about their food, drink, and self-care practices. Which is why, we think, oil pulling has seen a tremendous surge of popularity. Well, that, and the fact that Gwyneth Paltrow has been talking all about it.

Detox diets. Juice cleanses.

After a season of holiday indulgence, cleanses and detox diets are all the rage. But do cleansing diets really help? Do you need to detox, and can it benefit you? Join Ryan Andrews as he explains the science behind the hype and then, in the name of research, endures hunger pangs, headaches, and trips to the ER – and offers ten simple tips that are guaranteed to keep your body lean and clean.

Heartburn, reflux, and GERD:

What are the biggest-selling prescription medications in the United States? Statins for heart disease? Painkillers? Antidepressants? Actually, none of the above. The biggest-selling prescription drug in the US is Nexium, a treatment for acid reflux. Surprised? You shouldn't be. Acid reflux, or its big brother, gastroesophageal reflux disease (GERD), is the #1 disease of the digestive tract. Pretty much everyone will experience heartburn and reflux at some point in their lives. It this article we'll share 10 nutrition and lifestyle tips for feeling better now.

The dental diet:

Dental health is more important than most people realize. And nutrition plays a big role in this. Want to know what to eat to keep your teeth and gums strong? Chew on this.

Alkaline water:

Some people believe that alkaline water helps our bodies metabolize nutrients and expel toxins more efficiently than regular tap water, leading to better health and performance. Anecdotal evidence supports some of those claims. But so far, the jury’s still out on alkaline water’s benefits, and until we learn more, hydrating yourself with properly filtered tap water and supplementing with mineralized water is probably your healthiest and most economical choice.

Nutrition for bone health:

Strong bones are crucial to good health, and good nutrition is crucial to strong bones. By eating a whole foods diet high in essential minerals and vitamins, you can protect yourself from osteoporosis, the “silent thief.” Find out what you need to protect the health of your skeleton for years to come.

Phytates and phytic acid.

Phytic acid – the storage form of phosphorus – is one of those pesky "anti-nutrients" the Paleo community keeps telling you to avoid. It's often considered an anti-nutrient because it binds minerals in the digestive tract, making them less available to our bodies. Yet these same anti-nutrient properties can also help in the prevention of chronic disease.

All About Food Porn

Images of delectable food surround us these days. From the television or computer screen to the flyers coming into our mailboxes, we’re surrounded. And no, it’s not just your imagination: Pictures of food really do stimulate us to eat, and even to overeat. To find out how and why food imagery exerts such power – and what you can do about it – read on.

Nutrition for kids:

What does healthy nutrition for kids look like? In this article we discuss how childhood shapes brain development, metabolism, and overall health. And how to give our children a great start.

Roundtable interview: 3 people you should listen to, part 2

In Part 2 of this roundtable series, Ryan Andrews interviews Nate Green, Krista Scott-Dixon, and Brian St. Pierre about workouts, favorite quotes, supplements they like – and the most embarrassing items in their kitchens.

All About Endocrine Disruptors

Every day we’re exposed to specific chemicals that mess up or hormonal systems. While that sounds nasty, there's good news. Once you understand which to avoid, you'll be better able to protect yourself.

Roundtable interview:

In this roundtable discussion, Ryan Andrews quizzes PN superstars – and real people – Nate Green, Krista Scott Dixon, and Brian St. Pierre about nutrition, body composition, supplements – and their taste in trashy music.