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Macronutrients – Proteins

Animal Protein

Protein from meat, fish, eggs, and dairy products.

Definition

Protein derived from animal sources such as meat, fish, poultry, eggs, and dairy products, typically complete and highly bioavailable.

How it works

Animal proteins are derived from meat, poultry, fish, eggs, and dairy and are recognized as highly efficient protein sources. They contain all 9 essential amino acids in optimal ratios and have high bioavailability, meaning your body can easily absorb and utilize them. Animal proteins also provide additional nutrients like vitamin B12, iron, zinc, and omega-3 fatty acids depending on the source. These proteins have higher Biological Value (BV) and Protein Digestibility Corrected Amino Acid Score (PDCAAS) compared to most plant sources. Environmental and ethical considerations are important factors when choosing animal protein sources.

Role

Provides complete amino acid profiles and additional micronutrients essential for muscle building, immune function, and overall health.

Examples

  • Chicken
  • Beef
  • Pork
  • Fish
  • Salmon
  • Eggs
  • Milk
  • Yogurt
  • Cheese
  • Turkey

Recommendations

Choose lean animal proteins to minimize saturated fat intake and vary sources to maximize micronutrient diversity. Incorporate fatty fish like salmon 2-3 times weekly for omega-3 benefits.

Key takeaway

Animal proteins are complete, highly absorbable, and rich in essential nutrients.

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