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1. Shape and Color: Chlorella is a unicellular green algae with a spherical cell structure, while Spirulina has a spiral shape. Spirulina is often referred to as blue-green algae because of its color, but is technically a cyanobacterium.
2. Nutrient profile: Both chlorella and spirulina contain a wide range of nutrients, including high levels of protein as well as vitamins, minerals and antioxidants. However, there are slight differences in their nutritional content. Chlorella tends to contain more chlorophyll, vitamin C, iron and even active forms of vitamin B12 while spirulina does not contain active vitamin B12 and has a higher protein content.
3. Growing Conditions: Chlorella grows in freshwater sources such as ponds and lakes, while spirulina thrives in alkaline waters such as salt lakes and lagoons. These different growing conditions can also lead to differences in their nutritional content. Today, indoor cultivation of chlorella is widespread, while for spirulina this method is less common and more challenging.
4. Cell wall structure: The cell wall of Chlorella is hard and difficult for the human body to digest. For this reason, it is better to take chlorella in powdered form or choose products in which the cell walls have been broken down. In contrast, spirulina has a soft cell wall, allowing its nutrients to be easily absorbed by the body.
Do you already have experience with chlorella or spirulina?