Collagen Peptides & Heavy Metals: What You Need to Know
Collagen Glossary
Heavy Metals
Definition
Any metallic chemical element that has a relatively high density and is toxic or poisonous at low concentrations. The most common are Arsenic, Cadmium, Chromium, Lead, and Mercury. Heavy metals could be a problem in a supplement without thorough third-party testing, such as NSF certification.
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