Calcium ascorbate treats low levels of Vitamin C in individuals who are deficient in combination with calcium.

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.