The Power of Protein: Why You Need It and How to Get Enough

Protein is essential for life. It’s the only macronutrient that contains nitrogen, a critical component for building and maintaining every cell in your body. Your body needs 9 essential amino acids to function properly. These are amino acids we can’t make on our own, which means they must come from the food you eat.

Why Getting Enough Protein Matters

Getting enough protein isn’t just for athletes, it’s a foundational necessity for energy, strength, body composition, and long-term health.

Protein supports:

• Muscle repair and growth

• Hormones, enzymes, and neurotransmitters

• Immune function

• Sleep and mood

• Healthy skin, hair, and nails

• Red blood cells and oxygen transport (via hemoglobin)

It also plays a key role in body composition:

• Has the highest satiety score (helps you feel full, longer)

• Increases metabolic rate through the thermic effect of food (TEF)

• Helps with fat loss and weight management

How Much Protein Do You Really Need?

USDA guidelines (0.36 g/lb or 0.8 g/kg) are outdated and designed to prevent deficiency, not to promote optimal health or performance.

Current science-backed recommendations:

• 0.8–1.2g of protein per pound of body weight for healthy adults

• Up to 2g/lb for athletes, active individuals, or during fat loss phases

• 20–40g per meal is ideal to maximize muscle protein synthesis and absorption

Example: If you weigh 150 lbs, aim for 120–150g of protein per day.

Why Protein Quality Matters

All animal-based proteins (meat, poultry, seafood, dairy, eggs) naturally contain all 9 essential amino acids, making them complete proteins. The only plant-based food that is naturally complete is soy. This makes protein intake particularly important for those following plant-based, vegetarian, or vegan diets.

The best sources of high-quality protein due to their amino acid profile and bioavailability (absorption and utilization) are: 

• Eggs

• Dairy (whey and casein)

Other excellent options include:

• Lean meats and poultry – Opt for lower saturated fat content

• Fish and seafood – Shown to improve heart health and longevity when consumed 2x per week

• Greek yogurt, cottage cheese, and milk

• Legumes – Beans, lentils, chickpeas, and soy-based products (like tofu or tempeh)

• Whole grains like quinoa

• Nuts and seeds – Almonds, pumpkin seeds, chia seeds, etc.

Tip: Combining legumes with whole grains (like rice + beans) can help create a more complete amino acid profile on plant-based diets.

Behavioral Tips to Hit Your Protein Goals

1. Distribute protein across meals: Aim for 20–40g per meal rather than small amounts throughout the day.

2. Prepare high-protein meals in advance: Greek yogurt with berries, hard-boiled eggs, protein smoothies, or lentil soup are great grab-and-go options.

3. Supplement when needed: Use whey, soy, pea, or rice-based protein powders to help fill in gaps.

4. Read labels and track intake: MyFitnessPal and Cronometer are excellent apps to help estimate your daily protein intake and adjust as needed.

Try This Challenge: Prioritize Protein

1. Eat 0.8-1.2g of protein per pound of bodyweight daily: Start by tracking for a few days to see where you currently stand.

2. Aim for 20-40g of protein per meal: This helps maximize absorption and supports consistent energy and muscle maintenance.

3. Use a variety of high-quality protein sources: Mix plant and animal sources based on your preferences, goals, and dietary needs.

4. Consider a supplement (like protein powder) if necessary: Especially if you're plant-based or struggle to meet your target through food alone.

5. Log and reflect: Tracking intake helps identify patterns and keeps you accountable.