Nutrition Basics

By Brierley Horton, MS, RD
Healthy young woman in a kitchen with fruits and vegetables and juice
6 Foods That Can Change the Color of Your Pee
Nutrition
By Heather Mayer Irvine
Healthy sautéed magnesium-rich spinach with minced garlic in white bowl on kitchen cloth
13 Foods High in Magnesium for Muscle and Nerve Health
Nutrition
By Kate Bratskeir
An illustration of tilapia on a plate with hands holding a fork and knife in the foreground
How Bad Is It Really to Eat Tilapia?
Nutrition
By Heather Mayer Irvine
Phosphorous-rich Jumbo Shrimp Scampi Sauteeing in Butter and Olive Oil
14 Foods High in Phosphorus for Strong Teeth and Bones
Nutrition
By Heather Mayer Irvine
vitamin A-rich Sweet Potatoes with Melting Butter and Cracked Pepper
22 Foods High in Vitamin A for Sharp Vision
Nutrition
By Heather Mayer Irvine
vitamin k-rich spinach sauteed with garlic
23 Top Foods High in Vitamin K for Blood and Bone Health
Nutrition
By Heather Mayer Irvine
vitamin c-rich Guava Fruit
24 Foods High in Vitamin C for a Healthy Immune System
Nutrition
By Jessica Migala
Woman scooping yogurt into bowl in kitchen
If You Take Iron in the Morning, You Might Need to Rethink Your Breakfast
Nutrition
By Brierley Horton, MS, RD
Poached eggs with salmon and avocado on the plate, side view
18 Foods That Can Improve Your Mood
Nutrition
By Heather Mayer Irvine
Close-up of omega-3-rich flax seeds in a ceramic spoon on white background
18 Foods High in Omega-3s for Better Brain Health
Nutrition
By Heather Mayer Irvine
Crispy dried iodine-rich seaweed on wooden plate
15 Foods High in Iodine for a Healthy Metabolism
Nutrition
By Kelsey Kloss
Cannellini beans beef slow-cooker stew on the wooden table, top view. Autumn, winter seasonal, healthy comfort food
The One Protein Gastroenterologists Want You to Eat More Often
Nutrition
By Jaime Osnato
Mature athletic woman eating an apple after exercising in health club.
6 Surprising Foods That Help Bad Breath
Nutrition
By Kelsey Kloss
Couple chopping vegetables and making salad in kitchen
137 Nutrition Statistics You Need to Know
Nutrition
By Jenn Sinrich
woman eating breakfast bowl of fruit yogurt seeds and chocolate
17 Foods High in Calcium for Strong Bones
Nutrition
By Heather Mayer Irvine
Foods high in healthy fats, including avocado, salmon, olives, nuts and seeds, on wooden board
15 Foods High in Healthy Fat to Keep You Full
Nutrition
By Madeleine H. Burry
Probiotic tablets and capsules and wooden spoon on bright light green background.
How to Pick the Best Probiotic for You, and 9 Quality Brands to Buy
Nutrition
By Heather Mayer Irvine
Woman eating a zinc-rich oyster, close-up at a restaurant
15 Foods High in Zinc for a Stronger Immune System
Nutrition
By Jaime Osnato
Woman eating orange in office with plant
8 Surprising Foods That Can Cause Bad Breath
Nutrition
By Bojana Galic
Sardines with tomato and garlic
Here’s Why Dietitians Want You to Eat More Sardines
Nutrition
By Brierley Horton, MS, RD
Bell pepper Shakshouka with naan
16 Mediterranean Diet Staples to Buy at Trader Joe's
Nutrition
By Kelsey Kloss
Cooking with salmon
The One Dinner Sleep Experts Want You to Eat More Often
Nutrition
By Molly Triffin
Custom graphic showing person next to weights walking away from protein shake
How Bad Is It Really to Skip Protein After a Workout?
Nutrition
By Tiffany Ayuda
red-haired woman reading ingredients and nutrition label on food products at the grocery store
9 Sneaky Nutrition Claims Not to Fall for at the Grocery Store
Nutrition
By Heather Mayer Irvine
Homemade toast sandwich with potassium-rich salmon, avocado and chili jam on white wooden board
20 Foods High in Potassium for a Healthy Heart
Nutrition
By Kelsey Kloss
Young woman pouring coffee in cup at home
This Is Why Your Coffee Isn't Working Anymore, and How to Do a Caffeine Tolerance Reset
Nutrition
By Jaime Osnato
Close-Up Of Juice With Avocado And Kiwi On Table
15 Anti-Inflammatory Drinks You Can Easily Make at Home
Nutrition
By Kelly Plowe, MS, RDN
Woman wearing a face mask shopping for whole grain bread in the grocery store
Your Ultimate Guide to Buying Whole Grains, According to a Dietitian
Nutrition
By Heather Mayer Irvine
Barbecued protein-rich salmon, fried potatoes, vegetables and lemons on plate
20 Foods High in Protein for Strong Muscles
Nutrition
By Brierley Horton, MS, RD
Asian woman enjoying a whole chicken leg meal in a cafe
The Chicken Cut Dietitians Want You to Eat More Often (It's Not the Breast)
Nutrition
By Heather Mayer Irvine
A woman eating an iron-rich beef burger outdoors
20 Tasty Foods High in Iron You’ll Love
Nutrition
By Kelly Plowe, MS, RDN
focus on fried chicken tenders in basket with beer
6 Foods That Can Cause Diarrhea
Nutrition
By Heather Mayer Irvine
Young woman have pill with glass of water
5 Supplements That Can Cause Diarrhea (and How to Prevent It)
Nutrition
By Jaime Osnato
Cup of cappuccino coffee with croissants
The 7 Worst Breakfast Foods for Inflammation
Nutrition
By Kate Bratskeir
mixed media graphic showing hand spooning yogurt next to probiotic pills on green background
What Really Happens to Your Body When You Start Taking Probiotics
Nutrition
By Lauren O'Connor, MS, RDN, RYT
A young woman drinks green smoothies and eats a burger in a vegan fast food restaurant
5 Dietary Fiber Mistakes You're Making (and How to Fix Them)
Nutrition
By Lauren O'Connor, MS, RDN, RYT
Close-up of man sitting on stairs having lunch break
Struggling With Heartburn? Eating More of This One Nutrient Can Help
Nutrition
By Sarah Pflugradt, RDN
custom graphic showing hand with spoon putting collagen powder into mason jar
What Really Happens to Your Body When You Take Collagen
Nutrition
By Anthea Levi
graphic showing a bowl of spaghetti and meatballs on bed at night
How Bad Is It Really to Eat Carbs Before Bed?
Nutrition
By Jaime Osnato
people clinking orange juice glass together at breakfast at hotel
The 3 Worst Drinks for Inflammation
Nutrition
By Kate Bratskeir
Pensive woman eating an apple by the window.
7 Foods That Cause Gas (That Aren't Beans)
Nutrition
By Kelly Plowe, MS, RDN
Greek yogurt granola Pomegranate parfait
5 Gut-Healthy Foods Your Diet Is Missing (and How to Enjoy Them)
Nutrition
By Kelly Plowe, MS, RDN
Man's hand showing man eating sushi in sushi bar
4 Reasons to Eat a Little More Fish
Nutrition
By Heather Mayer Irvine
Woman with headphones, using smartphone and drinking coffee for breakfast in her kitchen
The 7 Best Dietitian-Led Podcasts for Free, Trustworthy Nutrition Advice
Nutrition
By Kelsey Kloss
Young woman taking fresh healthy vegetables from fridge
10 Foods You Should Stop Storing in the Fridge
Nutrition
By Kelly Plowe, MS, RDN
Close-up of hands making homemade guacamole
The 6 Best Foods to Help You Poop
Nutrition
By Madeleine H. Burry
Woman sneezing in a tissue in the living room.
Can Taking Zinc Actually Shorten Your Cold?
Nutrition
By Kelly Plowe, MS, RDN
Vegetarian man eating salad indoors
Probiotics Are Great, but There's a Simpler Way to Improve Your Gut Health
Nutrition
By Kelly Plowe, MS, RDN
Homeade Sweet Bacon Pancakes
The 5 Worst Foods for Inflammation
Nutrition
By Kelsey Kloss
Omelette with mushrooms and spinach in a cast iron pan
8 Foods High in Zinc and Vitamin D to Support Your Immune System
Nutrition
By Jaime Osnato
Banana smoothies and bananas on an old wooden background
Gassy and Bloated? Sip These 6 Drinks to Help Soothe Your Stomach
Nutrition
By Jaime Osnato
Homemade pasta on white dish with tomatoes and dough in background
Miso Is the Gut-Healthy Food Your Diet Is Missing — Here’s How to Eat It (Besides in Soup)
Nutrition
By Jaime Osnato
Lady's hands holding cup with sth heart-shaped
Gassy and Bloated? Avoid These 6 Drinks That Make Things Worse
Nutrition
By Kelly Plowe, MS, RDN
Woman eating scrambled eggs and cheese in restaurant
The Best and Worst Breakfast Foods for Gut Health
Nutrition
By Lindsay Tigar
Homemade Vegan Cauliflower Crust Pizza
6 Low-Carb Dinners That Will Fill You Up
Nutrition
By Kelly Plowe, MS, RDN
Young woman wrapped in blanket drinking hot tea
Struggling to Poop? Limit These 4 Drinks That Cause Constipation
Nutrition
By Marygrace Taylor
A photo of Publix Three Cheese Ravioli
24 Healthy and Affordable Grocery Staples You Can Only Buy at Publix
Nutrition
By Amanda McDonald, RYT-200
woman using blender to make a protein shake at home
7 Protein Shake Mistakes You Might Be Making and How to Fix Them
Nutrition
By Kelly Plowe, MS, RDN
woman holding green smoothie in kitchen
Constipated? Try These 6 Drinks That Help You Poop
Nutrition
By Kelly Plowe, MS, RDN
Man is eating grilled steak at wooden table
The 5 Worst Dinner Foods for Bloating, According to a Dietitian
Nutrition
By Sarah Pflugradt, RDN
Woman making healthy breakfast in kitchen
Eating More Fiber Can Help You Poop Regularly — Unless You’re Making These 2 Mistakes
Nutrition
By Jaime Osnato
hand holding half grilled cheese with other half on a plate with sauerkraut bag
Sauerkraut Is the Gut-Friendly Food Your Diet Is Missing — Here’s How to Eat It (Besides on Hot Dogs)
Nutrition
By Madeleine H. Burry
illustration showing burger in glass container on countertop with clock overhead
How Bad Is It Really to Eat Food That's Been Out for Hours?
Nutrition
By Kelsey Kloss
Making compost from vegetable leftovers
Your Step-by-Step Guide to Composting Food at Home (It's Easier Than You Think)
Nutrition
By Marygrace Taylor
beautiful young woman using her smartphone while cooking
25 Healthy Pantry Staples and Snacks You Can Only Buy on Amazon
Nutrition
By Kelly Plowe, MS, RDN
Senior man reading food label at a grocery store
The 5/20 Rule Helps You Get More of the Nutrients You Need and Less of the Ones You Don't
Nutrition
By Kelsey Kloss
illustration showing person picking up a pretzel off the floor and eating it
How Bad Is It Really to Eat Food That Fell on the Floor?
Nutrition
Sponsored By Orgain
By Maridel Reyes
woman wearing backpack standing on rock on beach at sunset
5 Simple Habits That Keep You Healthy During Cold and Flu Season
Nutrition
By Kelly Plowe, MS, RDN
Top view of woman sitting by the window in coffee shop enjoying the warmth of sunlight and drinking coffee
Struggling With Phlegm? Here Are 7 Foods That Make It Worse — and 4 That Can Help
Nutrition
By Marygrace Taylor
Young couple making pancakes at home
25 Must-Have Healthy Foods You Can Only Find on Thrive Market
Nutrition
By Bojana Galic
High angle view of friends eating pizza with cola in new home
Pizza Hut Offers Gluten-Free Food — but That Doesn’t Mean It’s Safe on a GF Diet
Nutrition
By Kelly Plowe, MS, RDN
Young businesswoman eating salad in lunch room and using phone
The 6 Worst Lunch Foods for Bloating, According to a Dietitian
Nutrition