Believe it or not, spirulina is a cyanobacteria, a fancy name for a type of blue-green algae. It’s not a plant or a seaweed; it’s a little living organism that’s been around for billions of years. Talk about an ancient travel companion!
You’ll find spirulina growing naturally in warm, alkaline lakes all over the world. Think of places like Mexico’s Lake Texcoco, or the iconic Lake Chad in Africa. These aren’t your average swimming holes—they’re mineral-rich, sun-drenched ecosystems where spirulina thrives like a happy little party guest.
It also pops up in other tropical regions, from parts of South America to Asia. Basically, if there’s a shallow, warm lake that tastes like baking soda (yes, really), spirulina is probably there, doing its green thing.
From Pond to Powder
Now here’s the fun part: most of the spirulina you buy isn’t wild-harvested from some remote lake. That would be like trying to pick a single grain of sand from a beach! Instead, it’s carefully farmed in man-made ponds that mimic those natural conditions.
Farmers grow it in huge, circular pools filled with fresh water, baking soda, and minerals—a perfect recipe for spirulina to gobbled up sunlight. They stir it gently (like a giant, green smoothie) to make sure every tiny cell gets its fill. It’s basically a super-efficient green factory that runs on sunshine.
After about a week, the water turns a vivid emerald green. That’s when farmers harvest it using fine mesh screens, washing it, and then drying it into that familiar powder or tablet form you see at the store. It’s alive until that drying moment—talk about fresh!
Bacterias Spirulina at Mary Wilber blog
