Depends: Some chlorella and spirulina can possibly be contaminated by heavy metals and other chemicals, but check manufacturer's data sheet and ask if they test for these things.
Answered 3/21/2013
5.2k views
A doctor has provided 1 answer
4 doctors weighed in across 3 answers
A doctor has provided 1 answer
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question