Blogging with Dr. Stacy Sims

Are You Iron Deficient? Are You Sure? anemia iron Jan 17, 2023

UPDATED. Research shows iron deficiency is underestimated in women, and it’s taking a toll on our health and performance. 

Iron is essential for energy. It helps your body deliver oxygen to your working muscles and the mineral participates in the energy making process in your...

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Resolve to Get Strong muscle strength Jan 06, 2023

Skip the fad diets and detoxes. This year, resolve to do the one thing that improves health-span and lifespan—make muscle.

The new year inevitably ushers in a fresh crop of diet books and 30-day detoxes. Skip the keto, low-carb, and fasting.  Detoxes and cleanses are no more than...

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What Women Should Know About Adaptogens adaptogens Dec 13, 2022

How to use these powerful botanicals to feel and perform your best. 

From coffee to green powders to capsules, teas, and tinctures, adaptogens are ubiquitous in the wellness world right now, with promises of strengthening immunity, increasing mental focus, boosting energy, reducing stress,...

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Optimizing Female Performance at Altitude altitude Dec 02, 2022

How to work with your female physiology to succeed in thin air.

If you’ve ever run, biked, hiked, or skied in the U.S. Rockies, European Alps, the Himalayans, or anywhere high above sea level—especially above 2400 meters or 8000 feet—you know performance drops as the air thins....

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Are You Draining Your Body’s Battery Power? fueling low energy availability nutrition undernourished Nov 17, 2022

If you’re an active female, chances are you’re at risk for low energy availability and the health consequences it brings. Here’s what you need to know. 

When researchers screen the nutritional intake of female athletes, a staggering percentage are not eating enough to...

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Training and Racing Through PMS period pms Nov 02, 2022

By working with your premenstrual physiology, you can make progress (and yes, podiums) despite the challenges of premenstrual syndrome.

By now, you’ve heard me talk all about “period power”—that your menstrual cycle is when your body is more resilient to stress and a great...

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Female Athletes Are Redefining Active Pregnancy pregnancy Oct 19, 2022

Elite women are training, competing, and yes, winning, during and after pregnancy, rewriting the playbook for moms in sport.

It wasn’t that long ago that active women were discouraged from continuing their exercise routine when they got pregnant. Sure, they were supposed to meet the bare...

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How to Beat Jet Lag jetlag recovery sleep Oct 06, 2022

Whether you’re crossing time zones or working shift work, circadian rhythm disruption takes a toll, and is worse for women. Here’s what to know.

Anyone who’s been in an airport lately knows that travel is back. Airports and planes are packed as people take long overdue...

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Should Women Take Collagen Supplements? nutrition supplements Sep 15, 2022

Collagen is the current darling of the wellness industry. It can benefit a lot of women, but not all supplements work the same.

More women (and men for that matter) are interested in collagen supplements than ever before. Weightlifters believe they can enhance muscle mass. Athletes want them to...

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Case Study on Kerry Litka menopause menstrual cycle Sep 01, 2022

Kerry Litka talks about her change of perspective as a post-menopausal woman

For a change of pace, I thought that a case study of a woman in our community might be of interest to my readers, and it ties in nicely with the sale of my Menopause 2.0 course (the last time it goes on sale until...

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Why Menopausal Women Need Polarized Training menopause perimenopause training Aug 17, 2022

Donating blood is great. But you don’t need to give a pint to gain fitness as new research may suggest.

Women are not small men. It’s been my mantra for well over a decade. In recent years, the scientific community has been catching up and calling attention to sex differences in...

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Can (and Should) Women Carb Load? carbohydrate fueling nutrition Aug 05, 2022

What you need to know about the pre-event pasta party.

Women perform best when they’re well-fueled. Anyone who follows me here is clear on that. Women should prioritize protein to make and maintain our muscles. We also need carbs, of course, to fuel our exercise, training, and competition....

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Why Women Need to Prioritize Protein fueling protein supplements Jul 22, 2022

The right amount of this essential macronutrient keeps your female physiology working its best.

Building and maintaining muscle is essential not just for performance but also for health and longevity. Lower muscle mass is associated with increases in metabolic syndrome and cardiovascular disease,...

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Women, Concussions, and Long Covid: Science Shows We’re More Susceptible concussion covid nutrition supplements Jul 07, 2022

Females appear more sensitive to brain tissue inflammation. Here’s what might help.

Scientists have recently reported that women are more likely than men to experience long COVID after an infection, and are significantly more likely to experience related complications in the brain and...

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Women-Specific Strategies to Train and Compete in the Heat cold heat hydration recovery Jun 20, 2022

Race day temperatures are rising. Here’s what active women need to know.

As I write this, race season is underway in the Northern Hemisphere and temperatures are climbing as much as 20 degrees above average across a large swath of the U.S. As sweltering weather becomes the norm, it’s...

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Nail a PR at Every Phase of Your Menstrual Cycle menstrual cycle training Jun 11, 2022

Your physiology changes as your hormones fluctuate, but there’s never a “bad day” to nail a personal best.

My life’s work is largely devoted to helping women work with their unique physiology to train and perform their best. That means adjusting training sessions to...

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Want to Burn Belly Fat? Lift Weights. strength May 25, 2022

Resistance training triggers hormones that increase abdominal fat burning. 

When women come to me wanting to change their body composition, I direct them straight to the weight room. Contrary to the old “cardio to burn fat” “resistance training to build muscle” dogma...

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How to Power Your Way Through Menopause menopause perimenopause May 12, 2022

Heavy lifting. Sprint training. Plyometrics. They all have one thing in common—they’re essential for menopausal health and performance.

Society has taught women to devalue their power. That’s especially true during menopause when we’re told it’s time to slow down and...

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How Your Female Sex Hormones Affect HRV hrv Apr 21, 2022

Why your recovery scores may not be what they seem depending on your cycle.

Many women tell me that they use heart rate variability (HRV)—the variance in time between beats of your heart—for tracking recovery. HRV is the metric that Whoop Strap, Oura Ring, and other recovery tracking...

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Why Women Need More Strength and Less Cardio Training strength Apr 07, 2022

Endurance sports have their place, but for long-term health and longevity, you need to hit the weights.

As a former Ironman triathlete and bike racer, I’m not about to tell anyone to hang up their racing flats or rack their bike. Endurance training can improve cardiorespiratory fitness,...

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Sweltering Sauna or Cold Plunge? Getting Comfortable with Being Uncomfortable Can Boost Performance and Health. cold heat Mar 24, 2022

The science behind ice baths and sauna sessions.

Extreme temperature treatments have been a hot (pun intended) trend for the past few years. Long time athlete Gabby Reece famously swears by super hot (up to 220 degrees F!) sauna treatments followed by icy cold plunges and Lady Gaga’s...

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Harness the Perimenopause “Power Window” perimenopause Mar 09, 2022

Research shows the perimenopausal period is the best time to adapt your training to prevent unwanted menopausal metabolism and body composition changes.

I’ll say up front that it’s never too late (or too early!) to start lifting heavy sh*t  and upping intensity to improve...

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Female Athletes Need Carbohydrates carbohydrate nutrition Feb 25, 2022

Men do, too. Research shows another downside to low-carb training.

Women perform best in a fueled state. That means eating carbohydrates. That shouldn’t be a radical concept. Carbs are the preferred fuel source for our brain; they’re necessary to fuel high intensity efforts, and they...

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The Power of Plant-Centered Eating fueling intermittent fasting ketogenic diet microbiome vegetarian Feb 09, 2022

Building the foundation of your diet on plants builds a strong foundation for health and performance, especially for women.

Since I spend so much time helping inform how other people should eat for optimal health and performance, many women ask me how I eat. I have been a plant-centered athlete...

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