
Currently from $0.020 per serving across our tracked stores. Same molecule, dramatically different per-dose pricing — sorted bottom-up.
Prices checked Jun 24, 2026
See also: best Iodine deals · Iodine basics


Cost per serving
$0.04
Cheap·−76%
Cost per serving
$0.05
Avg·−73%
Cost per serving
$0.05
Avg·−73%
Cost per serving
$0.05
Avg·−72%
Cost per serving
$0.10
Avg·−59%
Cost per serving
$0.12
Avg·−51%
Cost per serving
$0.13
Avg·−46%
Cost per serving
$0.14
Avg·−36%Organic Lugol's Iodine — $0.02 per serving ($7.98 for 395 servings), the lowest cost-per-dose iodine in our Amazon US catalog as of June 2026.
About $0.13 per serving across 22 tracked iodine products, ranging from $0.04 for the best deals to $0.16 for premium options.
Not always. The cheapest is sometimes cheaper because of the form — magnesium oxide costs less than glycinate per gram but absorbs at a fraction of the rate. Weigh cost-per-dose against form bioavailability and third-party testing, not price alone.