Fit Nutrition library

Category: <span>Nutrition Science</span>

Carbohydrate Loading for Endurance Athletes: Science-Based Timing and Portion StrategiesCarbohydrates

Carbohydrate Loading for Endurance Athletes: Science-Based Timing and Portion Strategies

Carbohydrate loading athletes requires strategic timing and portion control. Learn evidence-based protocols to maximize glycogen stores before endurance events.

9 min read
How to Lose Body Fat: The Numbers With Sources Behind ThemMetabolism & Fat Loss

How to Lose Body Fat: The Numbers With Sources Behind Them

Fat loss is a complex process that involves more than just cutting calories or increasing exercise. At its core, fat loss occurs when the body..

7 min read
A Step-by-Step Guide to Macro CalculationMacronutrients

A Step-by-Step Guide to Macro Calculation

How to set macro targets from your goal, calculate the grams, track them without losing your mind, and adjust when progress stalls.

9 min read
The Insulin Index: How Different Foods Trigger Insulin Response and Affect Fat StorageCarbohydrates

The Insulin Index: How Different Foods Trigger Insulin Response and Affect Fat Storage

Insulin index foods affect how much insulin your body releases and fat storage. Learn which foods trigger high responses and practical strategies to moderate them.

11 min read
Everything You Need to Know About ProteinMacronutrients

Everything You Need to Know About Protein

The RDA is 0.8 g/kg; active adults are advised 1.2-2.0 g/kg. The numbers, who each one is for, and why timing matters far less than daily total.

7 min read
How to Increase Your Metabolism: What the Numbers Actually AllowMetabolism & Fat Loss

How to Increase Your Metabolism: What the Numbers Actually Allow

Where daily energy really goes, why lean tissue explains 60-80% of the difference between people, the true calories-per-pound of muscle, and what does not work.

7 min read
Nutrient Timing: What the Evidence Actually SupportsCarbohydrates

Nutrient Timing: What the Evidence Actually Supports

Why protein timing stops mattering above 1.6 g/kg/day, when the carbohydrate window is real, the 1–4 g/kg pre-workout rule, and what pre-sleep casein does and doesn't prove.

8 min read