spirulina

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Miracle Food: Spirulina

A type of blue algae that grows in warm, alkaline water; cultivated species are grown in warm regions worldwide.

Miracle Nutrient: Protein. Spirulina is composed of up to 70 percent protein, which helps your body repair damaged tissues and build bones, skin, and muscle. However, because spirulina is highly absorbent, there's a potential risk of contamination from heavy metals and other toxins.

Mega Price: A one-pound container of powdered spirulina algae typically costs $30 to $40.

Common Sources: Along with lean meats, eggs, and dairy products, good protein sources include nuts (almonds have 21 grams of protein per 100-gram serving) and soybeans (which offer 12 grams of protein per 100-gram serving).

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