Can you eat spirulina?
Quick Answer
Yes
Spirulina is a type of blue-green algae that is rich in protein, vitamins, minerals, and antioxidants. It is considered safe to eat and is often used as a dietary supplement.
What Is It?
Spirulina is a type of cyanobacteria, often referred to as blue-green algae, that grows in both fresh and salt water. It is used as a dietary supplement due to its high nutritional content.
Historical Context
Spirulina has been consumed by humans since the Aztec civilization. It was rediscovered in the 1960s and has since been studied for its potential health benefits.
Why It Can Be Risky
While spirulina is generally considered safe, it can have side effects and may not be safe for everyone.
- People with autoimmune diseases, such as rheumatoid arthritis or multiple sclerosis, should avoid spirulina because it could stimulate the immune system.
- People with phenylketonuria (PKU) should avoid spirulina because it contains the amino acid phenylalanine.
- Spirulina sourced from contaminated waters can be harmful due to the presence of harmful bacteria and heavy metals.
Safe Method?
Spirulina is available in tablets, capsules, and powder form. It can be added to smoothies, juices, or sprinkled on food.
Safe Alternatives
Other superfoods like chlorella, wheatgrass, and barley grass can be used as alternatives to spirulina.
Storage Tips
Store spirulina in a cool, dry place away from sunlight. Once opened, it should be used within a month for optimal freshness.