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Understanding Protein Intake: How Much Do You Really Need?

Protein is essential for muscle growth, repair, and overall health. Learn how much protein you need daily, which foods are best, and how to optimize intake for fitness, aging, or plant-based diets. Learn More →

OnFitness Magazine 4/19/25 OnFitness Magazine 4/19/25

From the Archives: A 2004 Conversation with Frank Zane — The Thinking Man’s Bodybuilder

In this exclusive 2004 interview from our archives, Frank Zane shares his insights on personal training, recovery, and the mindset that defined a generation of bodybuilding.