Nutrition Basics

picture of the Transgender pride flag with food in the background and two silhouettes of people eating
3 Foods to Support Your Whole Health During Gender-Affirming Hormone Therapy
Nutrition
Raw Homemade Citrus Salad, a diuretic food
10 Diuretic Foods That Make You Pee More
Nutrition
Gelatin capsules with algae omega oil and seaweed on a white wooden background.
This Is the Best Way to Get the Omega-3s DHA and EPA on a Plant-Based Diet
Nutrition
Dried Dehydrated tomatoes preservation
The 8 Most Popular Foods Where People Live the Longest
Nutrition
Close up of woman taking vitamins for PMS
Dealing With PMS? You Might Be Missing These 4 Nutrients
Nutrition
Person holding one of the best magnesium supplements in their palm over the kitchen counter
The 8 Best Magnesium Supplements of 2024
Nutrition
Frozen fruits blueberries blackberry raspberry red currant peach and herbs
How Long Do Frozen Fruits and Vegetables Last?
Nutrition
Happy athletic woman having fruit and carbs for building muscle in the kitchen.
Trying to Build Muscle? Here Are 5 Types of Carbs to Eat and 4 to Limit
Nutrition
Over the shoulder view of a young person shopping for supplements in the pharmacy
5 Red Flags That a Supplement Is Unsafe or Ineffective
Nutrition
Person making healthy whole grain breakfast of oats with fruit in a white bowl on countertop.
9 Reasons Dietitians Want You to Eat More Whole Grains
Nutrition
man is taking a lunch break eating noodles at desk while working from home
This Is the Best Time of Day to Eat Carbs
Nutrition
collage of best things to buy at whole foods with 3 products. on pink background
The 35 Best Whole Foods Products, According to Dietitians
Nutrition
a collage of three of the best turmeric supplements on an orange background
The 7 Best Turmeric Supplements to Help Fight Inflammation
Nutrition
Custom mixed media image showing hand saying no to a cup of caffeinated coffee
What Really Happens to Your Body When You Quit Caffeine
Nutrition
illustration showing dish soap next to dirty sponge
How Bad Is It Really to Never Replace Your Kitchen Sponge?
Nutrition
Brussels sprout, broccoli and cauliflower chopped on a wooden cutting board resting on a wooden table.
3 Major Health Benefits of Cruciferous Vegetables
Nutrition
Homemade Bowl of Chili with beans and scallions
The One Protein Cardiologists Want You to Eat More Often
Nutrition
leftover chicken teriyaki meal prep lunch box containers with broccoli, rice and carrots
How Long Are Leftovers Good for in the Fridge or Freezer?
Nutrition
Manganese-rich oysters served with white wine,.
16 Foods High in Manganese for Immune Support
Nutrition
yellow Fish Oil capsules Bursting From a Whole Fresh Mackerel on a light green background
The 6 Best Fish Oil Supplements to Get More Omega-3s
Nutrition
Best protein powders on amazon in a row on yellow background, including Now Foods, Four Sigmatic and Vega Sport
The 15 Best Protein Powders for Every Health Goal
Nutrition
custom graphic showing dirty oven
How Bad Is It Really to Never Clean Your Oven?
Nutrition
a collage of three of the best whey protein powders on a yellow background
The 7 Best Whey Protein Powders, According to a Dietitian
Nutrition
Perfectly seared niacin-rich tuna steak  on a wooden cutting board
22 Tasty Foods High in Niacin for More Energy
Nutrition
man's hand reaching for strawberries in bowl
If You Want a Sharper Mind, Eat These 5 Nutrients Daily
Nutrition
pieces of fresh Cantaloupe melon on wooden background
Cantaloupe Nutrition: Benefits, Risks, Recipes and More
Nutrition
Grilled eggplant and sauce tzatziki on a light background, top view. Baked aubergine
Eggplant Nutrition: Benefits, Risks, Recipes and More
Nutrition
Older couple sharing food while dining together in a restaurant
5 Ways Your Nutritional Needs Change as You Age, and What to Do About It
Nutrition
Barbecued thiamin-rich pork spare ribs in cherry sauce
15 Foods High in Thiamin for Better Energy Levels
Nutrition
Whole and cut fresh figs, as an example of food high in rutin
Rutin: Benefits, Risks, Dosage and Diet Sources
Nutrition
biotin-rich beef liver in bowl on wooden table
10 Foods High in Biotin for Healthy Hair, Skin and Nails
Nutrition
custom mixed media image showing thumbs down to fiber-rich salad
What Really Happens to Your Body When You Don’t Get Enough Fiber
Nutrition
A bowl of hearty, beta-carotene-rich sweet potatoes with fresh rosemary sprigs on a white wooden table.
10 Foods High in Beta-Carotene for Plant-Based Vitamin A
Nutrition
Omega-3-rich grilled salmon with mango-avocado salsa on a white plate
Omega-3s: The Anti-Inflammatory Nutrient Dietitians Want You to Eat More
Nutrition
Assortment of chocolate candies, white, dark, milk chocolate Sweets background
Candy Nutrition: The Ultimate Guide
Nutrition
Ham and Cheese Sandwich on Whole Grain Bread
Why a Dietitian Wants You to Eat Less Deli Meat
Nutrition
Grilled choline-rich steak on table
20 Foods High in Choline for Plant-Based and Meat-Eaters Alike
Nutrition
Food storage containers and a silicone produce storage back over yellow and green background.
The 11 Best Produce Savers That Actually Extend the Life of Your Veggies
Nutrition
woman's hand holding cereal bar on pastel pink background
Do Shelf-Stable Probiotics Still Work in Foods That Aren't Refrigerated?
Nutrition
cholesterol-rich Shrimp Scampi with Pasta on plate
20 Foods High in Cholesterol (and Which to Eat or Limit)
Nutrition
Custom graphic showing calendar with different types of meat
How Bad Is It Really to Eat Meat Every Day?
Nutrition
Woman pours honey over her unhealthy breakfast granola bowl, sitting at kitchen table.
The 5 Worst Breakfasts for Longevity, According to Aging Experts
Nutrition
young woman working with laptop while eating probiotic yogurt in living room at home.
12 Foods High in Probiotics for Better Gut Health
Nutrition
Older couple preparing meal in kitchen with nutrients for longevity
If You Want to Age Well, Limit These 7 Nutrients Daily
Nutrition
zinc supplements on pink and green background
The 5 Best Zinc Supplements for Immune Support
Nutrition
Custom graphic showing woman taking fish oil pill
What Really Happens to Your Body When You Take Fish Oil
Nutrition
collage of food and kitchen items on sale for Labor Day on burnt orange background
The 9 Best Food and Kitchen Labor Day Sales You Don’t Want to Miss
Nutrition
woman deadlifting barbell in industrial-looking gym
Recovery 101: Your 3-Step Guide to Stronger Workouts
Nutrition
Mixed media graphic of Paralympic volleyball player Kaleo Kanahele Maclay on the court
From the Volleyball Court to Her Coffee Shop: How Paralympian Kaleo Kanahele Maclay Fuels Her Busy Day
Nutrition
a collage of three of the best digestive enzyme supplements on a pink and green background
The 5 Best Digestive Enzyme Supplements for Better Gut Health
Nutrition
Mixed media graphic of Paralympic swimmer Mallory Weggemann in a pool in a streamline position with arms above head
Paralympian Mallory Weggemann’s Post-Workout Drink Makes Us Feel Like Kids Again (and Fuels Recovery)
Nutrition
mixed graphic showing woman eating spicy pepper with flames
What Really Happens to Your Body When You Eat Spicy Food
Nutrition
illustration showing hands gesturing no to fish on plate
How Bad Is It Really to Never Eat Fish?
Nutrition
Close up of hands taking a vitamin or supplement from bottle
5 Supplement Mistakes Experts Want You to Avoid
Nutrition
Young smiling woman cooking in the kitchen, adding spices to dish to help reduce inflammation
10 Things Dietitians Do Every Day to Combat Inflammation
Nutrition
Saw Palmetto Capsules Spilled from a Bottle
Saw Palmetto: A Look at the Potential Benefits and Side Effects
Nutrition
In Partnership with 579490MonsterEnergy
skateboard Nyjah Huston holding skateboard sitting on gray couch
Want More Energy? Here’s Everything a Pro Skateboarder Eats in a Day to Stay Fueled
Nutrition
Hand forking into fried eggs (one of the foods that give you energy) on toast with salad and coffee on wooden table
20 Foods That Give You All-Day Energy
Nutrition
Team USA Olympic hurdler Kendra "Keni" Harrison in starting blocks on illustrated red track with blue background
The One Meal Olympic Hurdler Kendra Harrison Always Eats Before a Workout
Nutrition
a sliced Rib Eye Steak, as an example of foods with tyrosine
Tyrosine: Uses, Sources, Benefits and Side Effects
Nutrition
young man sitting on couch with hands on his face, feeling tired
Feeling Drained? You Might Be Missing Out on These 6 Nutrients
Nutrition
Cheese Board And Red Wine made up of histamine-rich foods
8 Foods High in Histamine to Limit if You Have Histamine Intolerance
Nutrition
Older Couple Enjoying Meal Around Table At Home
If You Want to Age Well, Eat These 7 Nutrients Daily
Nutrition
hands mixing ingredients for baking, eggs and flour, two major food allergens
What the 9 Major Food Allergens Are, and Where They're Lurking
Nutrition
Friends at the table enjoying salad, as an example of foods with vitamin K
The 3 Big Benefits of Vitamin K, and How to Get the Right Amount
Nutrition
hand squeezing mustard over hotdog, one of the worst foods for longevity, outdoors
The 5 Worst Foods for Longevity, According to Aging Experts
Nutrition
Man having lunch break eating a salad with nitrate-rich leafy greens for muscle building
The One Muscle-Building Nutrient Your Diet Is Probably Missing
Nutrition
person drinking warm anti-bloating tea enjoying it while sitting in cafe.
The 15 Best Foods That Help With Bloating, According to Dietitians
Nutrition
Stir-fried healthy tofu in bowl
Tofu Nutrition: Benefits, Risks, Recipes and More
Nutrition
Man using air fryer and laptop in kitchen
10 Air Fryer Mistakes You're Making (and How to Fix Them)
Nutrition
view of hand Cutting red onion on wooden board
6 Hacks to Cut Onions Without Crying
Nutrition
Woman in face mask using smartphone standing in store
10 Grocery List Apps That Make Shopping So Much Easier
Nutrition

We believe healthy eating habits are the foundation of good health. At our nutrition basics page, we offer a variety of resources to help you understand the food groups, macronutrients, micronutrients, portion sizes and more.

Our team of nutrition experts provides in-depth articles on a variety of nutrition-related topics, such as how to read food labels, how to build a balanced meal and how to make healthy food choices when dining out.

We understand nutrition can be a complex and confusing topic, which is why we strive to present information in a clear and easy-to-understand manner. Whether you're looking to improve your overall health, manage a specific health condition or just learn more about nutrition, our nutrition basics page has something for everyone.