Iodine
It inherits it’s name from the Greek word “ion” meaning violet being violet in color.
Functions
- Production of thyroid hormone.
- Prevents goitre.
- Antiseptic
- Maintains healthy hair, skin & nails.
Vital part of hormones secreted by the thyroid gland.
Sources
- Iodized salt
- Fish
- Shellfish
- Sea animals (cod, haddock, perch)
- Seaweed
- Kelp
- Onion
- Mushrooms
- Lettuce
- Spinach
- Green pepper
- Pineapple
- Peanuts
- Whole wheat bread
Deficiency
- Goitre
- Hypothyroidism which may lead to slower metabolism, fatigue, weight gain , dry hair and skin, decreased resistance to infection and thyroid enlargement.
Toxicity
- No toxicity of iodine from dietary sources.
- High intake may affect hormone activity.