Supplements

Iodine in supplements · page 95

4,516 supplements on the U.S. market list Iodine with an amount per serving. The official Tolerable Upper Intake Level for adults is 1,100 mcg a day.

Tolerable Upper Intake Level (UL)

The highest daily amount that is unlikely to cause harm for almost all healthy people, from food, drinks and supplements combined.

Age	Men	Women	Pregnancy	Breastfeeding
0-6 months	—	—	—	—
7-12 months	—	—	—	—
1–3 years	200 mcg	200 mcg	—	—
4–8 years	300 mcg	300 mcg	—	—
9–13 years	600 mcg	600 mcg	—	—
14–18 years	900 mcg	900 mcg	900 mcg	900 mcg
19+ years	1,100 mcg	1,100 mcg	1,100 mcg	1,100 mcg

Source: NIH ODS Iodine Fact Sheet for Health Professionals, Table 3 (updated 2024-11-05).

Supplements with Iodine

4,516 shown · page 95 of 95

Potassium IodateVitamin Research Products · Capsule50 mg per serving

Kelp 100 mgWindmill · Tablet or Pill150 mcg per serving

Sea KelpPuritan's Pride · Tablet or Pill150 mcg per serving

KelpGNC Natural Brand · Tablet or Pill150 mcg per serving

Label data: NIH Office of Dietary Supplements, Dietary Supplement Label Database (dsld.od.nih.gov), public domain. Upper limits: NIH ODS Fact Sheets for Health Professionals (values from the Institute of Medicine, Food and Nutrition Board).