Does Spirulina Contain Lead

The heavy metals such as lead, mercury, cadmium and arsenic are mostly found to adulterate in Spirulina products. Each is found as a trace contaminant in certain pesticides and fertilizers, so they are common in agricultural areas (Pande et al., 1981; Kotangale et al., 1984).

Can spirulina be toxic?

Spirulina — like any blue-green algae — can be contaminated with toxic substances called microcystins. It can also absorb heavy metals from the water where it is grown. For these reasons, it is important to buy spirulina from a trusted brand.

Does spirulina remove lead?

A total of 58 preclinical studies demonstrate the alleviative effect of Spirulina against experimental arsenic, cadmium, lead, and mercury toxicities.