The Altus Guide to Macronutrients is a free beginner’s guide designed to help you understand the fundamentals of nutrition and how to fuel your body properly. This downloadable PDF explains what macronutrients are, how calories work, and the role of protein, carbohydrates, and fats in supporting fat loss, muscle growth, performance, and overall health.

If you’re searching for nutrition guidance, macro basics, or help understanding calories and macronutrients, this resource provides clear, practical information you can apply immediately. Whether your goal is weight loss, improved fitness, better energy levels, or building healthier eating habits, this guide gives you the foundation needed to make smarter nutritional choices.

Perfect for beginners who want simple, science-based nutrition advice without complicated diets or restrictive meal plans.