Cholesterol-free. Halal-certified. Healthy and delicious instant cereal so easy to make, simply pour content into a cup, add 150 ml freshly boiled water and stir for 30 seconds. What is Chlorella? Chlorella is a blue-green algae which has been in existence for over 3 billion years. It is one of the most nutritionally rich alkaline food to be discovered in this century.