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Why is Chlorella cultivated as a food supplement?

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Chlorella is cultivated as a food supplement primarily due to its high nutritional value, as it contains a significant protein content ranging from 53 to 65 percent. Additionally, the algae are rich in B-complex vitamins.12

Because Chlorella multiplies rapidly, it has been studied as a potential food source for humans on Earth and during extended space travel. It is commonly consumed as a vegan nutritional supplement in countries such as Taiwan, Japan, Malaysia, and the Philippines.21