Vitamin D is a fat-soluble vitamin and pro-hormone that exists in several different forms.

Ergocalciferol (Vitamin D2) is not produced in the body and comes from plant sources whereas cholecalciferol (Vitamin D3) is found in cold-water fish such as salmon, mackerel, and sardines, is fortified in milk and is manufactured in the skin with adequate exposure to the suns UVB rays.

The Monitoring of Thyroid Peroxidase (TPO)


Thyroid peroxidase (TPO) is an enzyme found in the thyroid gland. It has an important role in the production of thyroid hormones: it catalyzes the iodination of thyroglobulin and is involved in the coupling of the iodotyrosines to form free T3 or free T4.

Canary Club offers "state-of-the-art" home hormone testing directly to the individual, at the lowest prices, from nationally CLIA certified labs.

Do you have symptoms that indicate a hormonal balance?

Now you can get the answers you need directly. Canary Club is committed to giving relief to people suffering from symptoms of hormone and neurotransmitter imbalance.