Arecently published Spirulina study is showing optimism for the alga’s potentially strong anti-cancer effects. The study, titled “Anti-cancer effects of blue-green alga Spirulina platensis, a natural source of bilirubin-like tetrapyrrolic compounds,” and listed on, was conducted by a team of seven researchers, including six from the Czech Republic and one from the Stanford University School of Medicine.

The team found that the blue green alga Spirulina platensis was quite effective against several human pancreatic cancer cell lines in vitro. “Compared to untreated cells, experimental therapeutics significantly decreased proliferation of human pancreatic cancer cell lines in vitro in a dose-dependent manner,” said the report’s authors.

The study also noted, “The anti-proliferative effects of S. platensis were also shown in vivo (in mice in this case), where inhibition of pancreatic cancer growth was evidenced since the third day of treatment.”

“In conclusion,” states the report, “S. platensis and its tetrapyrrolic components substantially decreased the proliferation of experimental pancreatic cancer. These data support a chemopreventive role of this edible alga. Furthermore, it seems that dietary supplementation with this alga might enhance systemic pool of tetrapyrroles, known to be higher in subjects with Gilbert syndrome.”

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