Protein Needs for Beginners

Protein is one of the three macronutrients — alongside carbohydrates and fats — and plays a central role in the body. It's used to build and repair tissues, produce enzymes and hormones, and support immune function. For people interested in managing their weight or improving their body composition, protein is often the most important macronutrient to focus on.

How Much Protein Do You Need?

General guidelines vary by source and individual goals, but commonly cited reference points include:

These are population-level estimates. Individual needs depend on body composition, activity type, health status and many other factors. Consulting a registered dietitian can help establish a personalised target.

Best Protein Sources

Animal sources (complete proteins)

• Chicken breast, turkey — lean, high protein, versatile
• Eggs — complete amino acid profile, affordable
• Fish (salmon, tuna, cod) — protein plus omega-3 fats
• Greek yogurt — high protein, also provides calcium
• Lean beef — iron and B vitamins alongside protein
• Cottage cheese — slow-digesting protein, low calorie

Plant sources

• Lentils and chickpeas — also high in fiber
• Tofu and tempeh — versatile soy-based proteins
• Edamame — complete plant protein
• Quinoa — complete grain protein
• Nuts and seeds — protein plus healthy fats (also calorie-dense)
• Seitan — wheat-based, very high protein

Practical Tips to Hit Your Protein Target

• Include a protein source at every meal
• Start breakfast with eggs, Greek yogurt or a protein-rich option
• Keep convenient options like boiled eggs, canned tuna or cottage cheese available for snacks
• Track your intake for a week to see where you actually stand
• Don't rely solely on protein shakes — whole foods provide additional nutrients

Does More Protein Always Mean Better Results?

There appears to be a ceiling beyond which additional protein provides diminishing returns for muscle building. Most evidence suggests that intakes above approximately 2.2–3g per kg of body weight per day do not provide additional muscle-building benefit for most people. Very high protein intakes are generally considered safe for healthy individuals, but the evidence base for intakes far above 2.2g/kg is limited.