Chlorella is one of the rare edible sweetwater algae. There are more than 30 species of this one cell organism of green color and the most researched are Chlorella vulgaris and Chlorella pyrenoidosa. This algae is a superfood, but because it has a hard cell membrane, people can not digest it in its raw form, so it has to be supplemented in tablets, powder, or extract. It is consumed with water or a juice half an hour before a meal. The daily dosage is 2-3g. There is not an exact number prescribed since there was not enough evidence to specify a proper therapeutic dosage.

Chlorophyll like a blood

Dried Chlorella has around 50% proteins, so it is a great source of amino acids. It contains all 9 essential amino acids, all vitamins from the B family, and also vitamins C, E, A, and K. Prom minerals iron is the most common and its absorption is helped by the vitamin C included. It also contains magnesium, zinc, copper, potassium, and calcium, and also fibers and omega 3 fatty acids.

It is very good to improve the blood test. It contains chlorophyll, plant pigment, also known as plant blood because its molecule is similar to the molecule of hemoglobin, the red pigment in blood. The only difference is that in the core of the hemoglobin molecule there is an atom of iron, while in the molecule of chlorophyll is an atom of magnesium.


From the benefits of Chlorella, most commonly mentioned is the detox of the organism, and some studies show it is effective in removing heavy metals from the body along with other harmful components that the body needs longer time to remove itself. It helps to lower levels of harmful chemicals that sometimes appear in food like dioxins (they are the byproduct of burning organic matter), that can affect hormone balance and immune system, and also are not easy on the liver functions. There is evidence that proves that Chlorella boosts the natural process of removing toxins from the body.

More good sides of Chlorella

It is considered that Chlorella is improving the immune response, that can neutralize high acidity of an organism, improves levels of oxygen in the blood, protects arteries from hardening and slightly lower high blood pressure, it has an impact of lowering the sugar levels in the blood, affect the inflammations to speed up recovery. Also contains carotenoids lutein and zeaxanthin that protect the eyes, keep the liver in good shape, improves better digestion, and speeds up the metabolism.

Possible side effects and interactions

Chlorella is considered safe when taken orally up to 25-30 weeks, but in some cases, it can cause nausea, diarrhea, gasses, cramps, vomiting, and green colored stool. Most of those symptoms last up to two weeks when starting to use it. Since Chlorella affects the immune system, it is possible that with people that have an immune system compromised it causes the proliferation of the “bad” bacteria in the intestines.

Chlorella can also cause sensitivity of the skin to UV lighting and sometimes cause an allergic reaction for people who are already allergic to mold. It is possible to lower the efficiency of the medications that affect the immune system and also since it contains vitamin K, it can lower the efficiency of the anticoagulant drug warfarin. So it is best not to use Chlorella while a person is using anticoagulant therapy. 


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