Best Iodine Supplements
Compare 67+ Iodine supplements using our data-driven ranking system. We analyze value (cost per unit of active ingredient), potency (strength per serving), and convenience (pills per day) to help you find the best option for your needs.
Top Picks in Iodine
All Iodine Products (67)
TPCS
TPCS, Iosol® Formula II, 1 fl oz (30 ml) (1,830 mcg per Serving)
Score: 97$0.02/srv
★4.7(1,265)
Terry Naturally
Terry Naturally, Tri-Iodine®, 6.25 mg , 90 Capsules
Score: 97$0.28/srv
★4.7(470)
Natural Factors
Natural Factors, Liquid Kelp, 800 mcg, 1.6 fl oz (50 ml)
Score: 97$0.01/srv
★4.8(4,474)
SMNutrition
SMNutrition, Organic Nascent Iodine Liquid Drops, Unflavored , 2 fl oz (60 ml)
Score: 96$0.04/srv
★4.8(103)
Global Healing
Global Healing, Detoxadine, Nascent Iodine, 1 fl oz (29.6 ml)
Score: 95$0.15/srv
★4.9(216)
NOW Foods
NOW Foods, Organic Kelp Pure Powder, 8 oz (227 g)
Score: 95$0.00/srv
★4.7(1,833)
Terry Naturally
Terry Naturally, Tri-Iodine, 3 mg, 90 Capsules
Score: 94$0.26/srv
★4.8(588)
Heritage Store
Heritage Store, Atomidine, 450 mcg, 2 fl oz (59 ml)
Score: 91$0.02/srv
★4.7(97)
Dr. Mercola
Dr. Mercola, Iodine, 1,500 mcg, 90 Capsules
Score: 87$0.27/srv
★4.8(908)
NOW Foods
NOW Foods, Kelp, 325 mcg, 250 Veg Capsules
Score: 84$0.05/srv
★4.9(5,717)
Nutricost
Nutricost, Kelp, 325 mcg, 240 Tablets
Score: 83$0.05/srv
★4.9(184)
Nutricost
Nutricost, Iodine, 325 mcg, 240 Tablets
Score: 83$0.05/srv
★4.9(285)
NutraChamps
NutraChamps, Iodine Liquid Drops, Unflavored, 2 fl oz (60 ml)
Score: 83$0.03/srv
★4.8(167)
Nature's Life
Nature's Life, Icelandic Kelp, 41 mg, 500 Tablets
Score: 79$0.03/srv
★4.9(8,999)
MaryRuth's
MaryRuth's, Organic Iodine Liquid Drops, Unflavored, 250 mcg, 1 fl oz (30 ml)
Score: 77$0.05/srv
★4.8(1,111)
Heritage Store
Heritage Store, Nascent Colloidal Iodine, 1 fl oz (30 ml)
Score: 76$0.05/srv
★4.9(4,515)
Life-flo
Life-flo, Liquid Iodine Plus, With Potassium Iodide & Iodine, Unflavored, 2 fl oz (59 ml)
Score: 73$0.02/srv
★4.9(67,454)
Nature's Way
Nature's Way, Whole Thallus Kelp, 600 mg, 180 Vegan Capsules
Score: 72$0.07/srv
★4.8(6,817)
Nature's Life
Nature's Life, Icelandic Kelp, 41 mg, 250 Tablets
Score: 72$0.04/srv
★4.9(9,002)
Life Extension
Life Extension, Sea-Iodine, 1,000 mcg, 60 Vegetarian Capsules
Score: 72$0.10/srv
★4.8(18,952)
Showing 20 of 67 products