22%. Source: The Vista, CA weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.
Iodine: Essential for healthy thyroid function because it helps the thyroid gland produce the hormone thyroxin- or T4- one of the metabolic hormones produced by the thyroid Get it with: Sea vegetables like kelp, seaweed or fish.
Zinc. In addition to selenium, zinc plays a role in the conversion of the thyroid hormone T4 to T3. Metzak says selenium and zinc are beneficial in improving thyroid function and hormone levels. Food sources of zinc include shellfish, mollusks, meat, legumes, and nuts.