Courtney Leiva, LIVESTRONG.COM

Courtney Leiva


Contact Courtney

Discover and connect with journalists and influencers around the world, save time on email research, monitor the news, and more.

Start free trial

  • Unknown
  • StyleCaster
  • HuffPost
  • HuffPost Canada
  • Bustle
  • Elite Daily

Past articles by Courtney:

The 9 Best Vegan Meat Substitutes High in Protein

The best vegan meat alternatives are those that give you some protein without too much saturated fat. Here, dietitians share the best vegan meat substitutes. → Read More

The 10 Best High-Protein Nut Butters, Other Than Peanut

There are many types of nut butter besides peanut that are just as nutritious and satisfying. Here are other options including walnut butter and almond butter. → Read More

The 11 Best Cold Brew Coffee Products, According to Dietitians

The best cold brew coffee is tasty, affordable and low in added sugar. Check out our top picks like Bulletproof Cold Brew Latte and Stumptown Coffee Cold Brew. → Read More

The 10 Best Reusable Grocery Bags, According to Food Experts

The best reusable grocery bags are eco-friendly, strong and sturdy, simple to clean and easy to store. Here, we chatted with food experts for their top picks. → Read More

The 10 Best Coffee Flavorings and Syrups, According to Dietitians

Many coffee flavorings have additional benefits you might want to take advantage of. In This Article Drinking black coffee definitely has nutritional perks, but not everyone can stomach the bitter taste. Coffee flavorings and syrups can make your morning brew more enjoyable, but they can tack on extra calories and sugar. "If you overdo it, this could potentially add up and lead to health… → Read More

6 High-Protein Peanut Butter Powders Under 80 Calories

We asked dietitians for the best peanut butter powder on the market, and this is what they said. In This Article Peanut butter is a good source of plant-based protein, but for some, it can be high in calories. Peanut butter powder is a great substitute but with so many products on the market, it may be tough to choose the best one. Peanut butter and peanut butter powder differ in a few ways.… → Read More

The 8 Best Insulated Coffee Mugs to Fit Your Lifestyle

The best insulated coffee mugs will keep hot and cold drinks at an ideal temperature for a long time. Check out the t0p insulated coffee mugs from food experts. → Read More

The 8 Best Tea Kettles for Brewing the Perfect Cup

If you're looking for the best tea kettles on the market, we've rounded up top picks from food and wellness experts based on convenience, heating time and more. → Read More

The New Limited-Edition Our Place Accessory Will Save Your Towels From Ruin

If you're an at-home cook who loves to crisp bacon, fry dumplings or DIY french fries, you'll love the newest accessory from Our Place. → Read More

This ‘Magic in a Bottle’ Illuminating Serum Is Like an Eraser For Your Skin—Goodbye Dark Marks, Fine Lines & Wrinkles

Shoppers love Tula's Illuminating Glow Serum for treating different signs of aging, like fine lines, wrinkles and dark spots. → Read More

Our 10 Favorite High-Protein Pasta Brands That Also Offer Lots of Fiber

Protein pasta is pasta that's made with high-protein ingredients like peas, chickpeas and lentils. Check out our dietitian-approved high-protein pasta options. → Read More

The 10 Best Keto Cookbooks for Anyone on a Low-Carb Diet

Whether you're a beginner or a seasoned dieter, the best keto cookbooks help you create meals that are quick and simple to make. Check out our favorites, here. → Read More

The 4 Best Food and Kitchen Labor Day Sales You Don’t Want to Miss

Take advantage of these Labor Day sales on coffee, date syrup and wild-caught seafood, as well as high-end blenders and juicers from HUROM. → Read More

Stylists' Favorite Anti-Frizz Hair Products To Keep Your Summer Blowouts Smooth

Humidity is no match for these picks from stylists. → Read More

Using Retinol? Here's What Experts Say to Expect and What Abnormal Side Effects to Look Out For

If you have an anti-aging skincare routine, or plan to start one, you should read up on retinoid side effects. During the first month of use, some dryness and purging is expected, but there are some side effects that could be more serious. Here, find out what dermatologists say to look out for. → Read More

Why Do Luxury Perfumes Cost So Much, And Are They Worth It?

A look at the process, ingredients and pricing used in the very subjective world of fragrance. → Read More

Flat Acne is Trending on Skincare Reddit—But How Do You Treat it?

Flat acne, aka flat pimples or flat comedones, are a very common type of breakout and can easily be treated with the right products and care. Here, five dermatologists explain everything you need to know about flat acne. → Read More

From Frosted Lips to Obvious Liner, Here Are the '90s Lip Trends Making a Comeback

We love a good throwback moment, especially when we're talking about '90s lip trends. From Cindy Crawford's obvious lip liner and J. Lo's frosted lips to Jennifer Anniston's brown lipstick and Naomi Campbell's super glossy lips, here are the 13 trends popping up everywhere today. → Read More

10 Caffeinated Snacks for an Energy Boost (That Aren’t Coffee)

These caffeine snacks, like Verb Energy, Awake Chocolate and Better Than Coffee, give you a jolt. Try these energy snacks on the go when you don't want coffee. → Read More

Here's What Dermatologists Want You to Know About Tretinoin

Tretinoin is the acne-fighting skincare ingredient taking over the Internet, but before you ask your dermatologist for a prescription, here's what you should know about the retinoid. Here, experts break down the benefits, side effects, and best ways to introduce tretinoin in your routine. → Read More