Iodine

1. Class of Mineral:

1. • Type of mineral (e.g. metallic etc) – Iodine is a non-metallic element.
   • Alkalizing or acidifying? – Iodine is acidifying.

2. How the Body Utilizes the Mineral:

2. • Iodine is an essential mineral required to produce thyroid hormones, which regulate metabolism, growth, and development.
   • It also plays a role in maintaining healthy skin, hair, and nails.

3. Mineral Supplement Dosage:

3. • RDA – The recommended daily allowance (RDA) for iodine is 150 mcg for adults.
   • Typical Dietary Intake – The average daily intake of iodine from food sources is estimated to be around 200-300 mcg.
   • Tolerable Upper Intake Level (UL) – The UL for iodine is 1,100 mcg for adults, with a higher limit of 1,700 mcg for pregnant and breastfeeding women.

4. Symptoms of a shortage of the mineral:

Iodine deficiency can lead to

1. • Hypothyroidism,
   • Goitre, and
   • Developmental problems, particularly in children.

5. Symptoms of too much of the mineral:

Excessive iodine intake can cause iodine toxicity, which may manifest as

1. • metallic taste,
   • burning mouth, and
   • In severe cases, it can lead to thyroid dysfunction.

6. Mineral Supplement Forms:

6. • Potassium iodide – The most absorbable and bioavailable form of iodine.
   • Lugol’s solution – A moderately absorbable form of iodine, containing both iodine and potassium iodide.
   • Iodine tincture – A less absorbable form of iodine, typically found in topical antiseptics.

7. Various food sources for the mineral:

Iodine is found in a variety of foods, including:

1. • Seaweed – Kelp, nori, and wakame
   • Fish and seafood – Cod, shrimp, and tuna
   • Dairy products – Yogurt, milk, and cheese
   • Eggs
   • Iodized salt

8. How to take the mineral

8. • Meal Timing? – Iodine supplements can be taken with or without food, but it’s recommended to take them with a meal to enhance absorption.
   • Time of Day? – There is no specific time of day recommended for taking iodine supplements; however, taking them in the morning may help ensure consistent intake throughout the day.
   • Other? – Consult with a healthcare professional for personalized advice on how to take iodine supplements.

9. Interactions:

Positive Interactions

1. • Vitamins and minerals – Iodine supplements may enhance the absorption of other minerals, such as zinc and selenium.
   • Medication – Iodine supplements may interact positively with certain medications, such as thyroid hormones.
   • Other – Iodine supplements may also have a positive impact on thyroid health when taken with a balanced diet.

Negative Interactions

1. • Vitamins and minerals – Iodine supplements may interact negatively with certain minerals, such as iron and calcium.
   • Medication – Iodine supplements may interact negatively with certain medications, such as lithium and amiodarone.
   • Other – High doses of iodine may interfere with thyroid function tests.

10. Contraindications and Risks:

10. • Pregnant and breastfeeding women – Iodine supplements should be taken under medical supervision due to the higher UL for this population.
    • Thyroid disorders – Individuals with thyroid disorders should consult with a healthcare professional before taking iodine supplements.
    • Allergies – Those with known allergies to iodine or shellfish should avoid iodine supplements.
    • Kidney disease – Individuals with kidney disease should consult with a healthcare professional before taking iodine supplements.