Introduction

Figure 2.1 A Hawaiian spirulina bowl is an excellent source of the macronutrient protein. (credit: modification of work “Hawaiian Spirulina Smoothie Bowl” by Jennifer Johnston; NRCS Pacific Islands Area/Flickr, Public Domain)

Chapter Outline

2.1 Carbohydrates

2.2 Fats

2.3 Protein

2.4 Hydration

Macronutrients, or nutrients needed in large amounts, include carbohydrates, fats, and proteins and are critical for cells, tissues, and organs. These macronutrients power cellular energy, prevent disease, and facilitate optimal body function. Without macronutrients, life would cease.