One expert says carbs are evil, another swears by them. Your friend lost weight on keto, while your coworker gained it back on the same plan. Influencers push expensive supplements while your doctor brushes off your nutrition questions in 30 seconds. You are tired of yo-yo dieting, wasting money on programs that do not work, and feeling guilty every time you eat.

This guide gives honest, research-backed answers to the nutrition questions real people actually ask, so you can build sustainable eating habits without the guilt, confusion, or expensive gimmicks.