High protein

High Protein Diet Myths: Separating Fact From Fiction

By MealPrep.nz3 min read

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High-protein diets are among the most effective and well-researched eating strategies — yet they're surrounded by stubborn myths that scare people off. Let's clear up the biggest ones with what the evidence actually says.

Myth 1: "High Protein Damages Your Kidneys"

This is the most persistent myth. For people with healthy kidneys, higher-protein diets are not shown to cause kidney damage. The concern applies specifically to those with pre-existing kidney disease, who should follow medical advice. For everyone else, the evidence is reassuring.

Myth 2: "Too Much Protein Is Bad for Your Bones"

The old theory was that protein leaches calcium from bones. Current evidence suggests the opposite — adequate protein actually supports bone density, especially alongside enough calcium. This matters more as we age.

Myth 3: "Your Body Can Only Absorb 30g of Protein at Once"

A common gym myth. Your body absorbs essentially all the protein you eat — the "30g" figure relates to how much maximally stimulates muscle protein synthesis in one sitting, not how much you can digest. Spreading protein across meals is sensible, but you're not "wasting" protein above 30g.

Myth 4: "High Protein Makes You Bulky"

Protein helps build and preserve muscle, but building significant size requires dedicated training and a calorie surplus over a long time. Eating protein alone won't make you bulky — it helps you look lean and toned.

Myth 5: "You Need Supplements to Eat Enough Protein"

Whole foods can easily cover your protein needs. Supplements like whey are just convenient — useful, but never required.

The Bottom Line

For healthy people, a high-protein diet is safe, effective and supported by strong evidence. The real challenge isn't safety — it's consistency. That's where pre-made high-protein meals help: 30g+ per meal, every time, no effort.