1. Do plant proteins have a complete amino acid profile?

It is often criticized that individual plant protein sources do not contain all nine essential amino acids (EAAs) in sufficient quantities – especially lysine, leucine, and methionine. However, this is only half the story. While some plant proteins, such as pea protein, have a high lysine content but less methionine, different plant proteins complement each other perfectly.

The solution: Smart combinations. A blend of pea protein (rich in lysine) and rice protein (rich in methionine) creates a complete amino acid profile comparable to whey. Hemp protein further complements this with omega fatty acids. So you don't need to consume all the essential amino acids (EAAs) at once with every meal, as long as your diet is balanced throughout the day.

2. Is the bioavailability of vegan protein as good as that of whey?

Bioavailability describes how well a protein can be absorbed and utilized by the body. Traditionally, whey has been considered the gold standard in this regard, primarily due to its high leucine content, a key amino acid for muscle protein synthesis (MPS).

However, recent studies reveal something surprising: A meta-analysis in Sports (2019) by Babault et al. found that pea protein, when consumed in sufficient quantities, can produce similar results to whey in inducing muscle protein synthesis and muscle hypertrophy. The quality of the protein depends less on the source than on the total amount of essential amino acids (EAAs) and leucine.

3. Can vegan protein also strengthen the immune system and reduce inflammation?

Yes, absolutely. Many plant-based protein sources offer additional benefits that go beyond simply building muscle:

• Reduced inflammation: Dairy products (and therefore also whey) can trigger inflammatory reactions in some people, especially those with lactose intolerance. Plant-based proteins are often gentler in this regard.
• Antioxidants and micronutrients: Hemp protein provides valuable omega-3 fatty acids and antioxidants in addition to protein. Pea and rice proteins are often rich in iron and other minerals.
• Gut health: Many plant-based protein powders also contain fiber (e.g., hemp protein), which supports the gut flora – an important factor for the immune system.

4. How much protein do I need for effective muscle building – plant-based or animal-based?

The recommendations are similar for both protein types. For athletes and active individuals, the typical range is 1.6 to 2.2 grams of protein per kilogram of body weight per day . Crucially, this requires a continuous intake throughout the day (approximately 20-40g per meal/shake) to maximize muscle protein synthesis.

5. Is plant-based protein also suitable for weight loss?

Definitely. Protein is incredibly satiating and helps keep blood sugar levels stable, preventing cravings. A protein-rich diet also supports the maintenance of muscle mass during a diet, which is crucial for a healthy metabolism. Plant-based proteins are often lower in fat and calories than some animal sources, yet offer the same feeling of fullness.