Chromium is produced by the body in small amounts of it to maintain healthy blood-glucose levels.

Chromium picolinate is found in supplements to prevent and treat chromium deficiencies.

Citrulline is a naturally-occurring amino acid that works to maintain a healthy circulatory system and blood vessels.

Cleavers is used as a tonic for the lymphatic system.

Cobalt is stored by the body in small quantities and is a proponent of B vitamins.

Cocarboxylase is a coenzyme of Thiamine, which regulates blood-glucose levels.

Coenzyme Q10 collects in the heart, liver, kidney and pancreas to maintain circulatory health.

Cranberry provides benefits for the urinary system.

Curcumin's benefits range from heart to bone health.