The great protein dilemma: Animal vs Plant Protein
- George Georgiades
- Nov 25, 2024
- 3 min read
I wanted to write a short blog about Animal-Protein vs. Plant-Protein and explore their differences and how important it is to make good choices should you wish to eat a largely plant based diet.
Animal protein is not by accident thought of as the gold standard with regards to protein sources. They are considered "complete proteins" because they contain all the essential amino acids in the proportions needed by the human body. In other words, it contains all the essential amino acids that the body cannot produce on its own. This makes it the most efficient source for muscle growth, tissue repair, and overall bodily function.
On the other hand, many plant-based protein sources are considered incomplete, lacking one or more essential amino acids. An example would be, grains like rice that are deficient in lysine, an essential amino acid.
Nutritional quality of animal protein is unmatched in its bioavailability, in other words the body can absorb and utilize the nutrients efficiently. Animal sources are also rich in minerals like B12, iron, and zinc, which are harder to obtain through a plant-based diet.
Plant-Based protein sources require a little more attention to ensure a well-rounded nutritional profile. Certain individual plant-based protein sources may lack certain amino acids, the key is variety and creating meals with strategic combinations. By combining legumes like beans (which are rich in the amino acid lysine but may be lower in methionine and cysteine) with grains like rice (which are lower in lysine but may be higher in methionine and cysteine), you can create a more balanced amino acid profile in a meal. When going plant-based the concern is getting adequate amounts of total daily protein.
There are however a few plant-based sources that are considered complete proteins or are close to being complete. These include:
Quinoa: Quinoa is a seed that is often treated as a grain in cooking. It contains all nine essential amino acids, making it a complete protein.
Soy: Soy products like tofu, tempeh, and edamame are complete proteins. They provide all essential amino acids and are versatile in various dishes.
Buckwheat: Despite its name, buckwheat is not related to wheat and is gluten-free. It is a pseudocereal seed that contains all essential amino acids.
Hemp seeds: Hemp seeds are rich in protein and provide all essential amino acids, making them a complete protein source.
Chia seeds: Chia seeds are high in protein and provide all essential amino acids, making them a good plant-based protein option.
Here are additional tips to address concerns about protein quantity in a plant-based diet:
Larger Portions or More Frequent Meals: You may need to consume slightly larger portions of protein-rich plant foods or have more frequent meals/snacks to meet your protein needs.
Nutrient-Dense Foods: Choose nutrient-dense plant foods that not only provide protein but also essential vitamins, minerals, and other nutrients. This ensures that you're getting a well-rounded diet.
Consider Protein-Rich Plant Foods: Some plant-based foods are naturally higher in protein. For example, legumes (beans, lentils, chickpeas), nuts, seeds, and certain grains can contribute significantly to your daily protein intake.
Explore Protein-Rich Plant-Based Recipes: Get creative with your cooking. There are many plant-based recipes that focus on protein-rich ingredients. For instance, incorporating legumes and tofu into stir-fries, salads, or grain bowls can enhance protein content.
Plant-Based Protein Supplements: If needed, you can consider incorporating plant-based protein supplements into your diet. These can be added to smoothies or used in cooking to boost protein intake.
In the animal protein vs. plant protein debate, both sources offer unique benefits and challenges. Animal protein provides complete and readily available nutrition, making it easier for individuals to meet their protein needs. On the other hand, plant protein requires a more thoughtful approach, emphasizing variety and strategic combinations to ensure an optimal amino acid profile.
Ultimately, whether one chooses animal or plant protein depends on personal preferences, ethical considerations, and nutritional goals. It is essential for individuals, regardless of their dietary choices, to prioritize an optimal diet that meets their specific nutritional requirements.

George Georgiades | Coach & Trainer
Comments