Tests Finding Smaller Contaminants Making Big Impact In Class Action Complaints

Lab tests can identify contaminants in supplements down to the parts-per-billion or even -trillion, increasing the number of class action suits alleging false “pure” and “free of” claims.

Dietary supplement class action complaints alleging micro-contamination are increasing as technological advances support detecting substances in smaller and smaller amounts.

“What we’ve learned is the science on the ability to detect these contaminants, where you are getting down to parts per billion, maybe even parts per trillion” is improving, said David Biderman, a partner at

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