What Is a Protein Substitute?

If you’ve been prescribed a low-protein diet for a metabolic condition, you’ve likely heard about protein substitutes—but what exactly are they?

In this introductory video, we break down the essentials:

What is a protein substitute?
Learn how these specialised nutritional products are designed to replace the protein you’re missing from food, while supporting your body’s needs.

What’s inside?
It’s not just protein. These products often contain added vitamins, minerals, energy from fat and carbohydrate, and soluble fibre—all important for a balanced diet.

Why does it matter?
Taking your protein substitute regularly, as prescribed, helps maintain your overall health and wellbeing. It supports growth, development, and helps prevent nutritional deficiencies that can arise from a restricted diet.

Brain Health & Cognitive Function

Did you know your diet affects how your brain works? This video explores the nutrients that support healthy cognitive function—many of which may be limited in a low-protein diet. Learn how protein substitutes can help fill those gaps with added micronutrients, soluble fibre, and energy from fat and carbohydrate.

Looking Good on a Low-Protein Diet

Your skin, hair, nails, teeth, bones, and eyes all rely on good nutrition. This video shows how a low-protein diet can impact your appearance—and how including a protein substitute can help you feel and look your best by supporting your body from the inside out.

Sport & Exercise with PKU

Planning to get active? This video covers the nutrients needed for energy, endurance, and muscle strength. It highlights food sources and explains how your protein substitute can support your goals—whether you're walking, running, or lifting weights.

Women’s Health

From fertility and pregnancy to menopause, women’s nutritional needs change over time. This video explores how a low-protein diet affects key nutrients and how your protein substitute can help support health and wellbeing at every stage of life.

Aging Well

As we age, maintaining strength, lean body mass, and immune function becomes even more important. This final video looks at how protein and other nutrients support healthy aging—and how your protein substitute can help you stay strong, sharp, and resilient.