Sydney Lappe, RDN
Registered Dietitian
Sydney Lappe, RDN, is a St. Louis-based dietitian with nearly a decade of experience in nutrition writing and editing. With a background in psychology, she writes about the connections between diet, fitness, and mental health.
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Latest from Sydney Lappe, RDN
The Best Protein Powders, Bars, and Shakes for Women Over 50
RD-approved protein picks for staying strong after 50.
A Dietitian’s Guide to the Best Supplements for Women
Before you restock your supplements, read this RD’s guide.
The 7 Best Probiotics for Better Gut Health, According to a Dietitian
Out of the hundreds on the market, these are the ones that stood out.
The 6 Best Women’s Multivitamins According to a Dietitian
From vegan capsules to gummies for women over 50, these are our tested picks.
What a Dietitian Wants You to Know About Meal Replacement Shakes and Powders
Can they actually replace a meal?
A Dietitian Says These Are the Best Protein Powders for Women
From whey to plant-based options, these powders make it easier to meet your daily protein needs.
The 7 Best Whey Protein Powders to Buy Now, According to Registered Dietitians
Our experts recommend formulas from Bare Performance and Transparent Labs.
The 6 Best Fiber Supplements for Women, According to Experts
Here's how to choose the best one for your G.I. symptoms.
The Best Supplements for Women Over 50, According to Doctors and Dietitians
Expert-approved picks for energy, gut health, and hormone balance.
Want to Feel Fuller Longer? Start With These 6 Protein Powders
How protein powder can help be a tool for maintaining a healthy weight.
30+ High-Protein Snacks That Are Healthy and Portable, According to Dietitians
Your "what should I eat?" search ends here.