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Iodine (Laminaria spp.) supplements

Kelp
Our pick
Kelp
Swanson Vitamins
325 mcg per serving $12.49
Most iodine (laminaria spp.) per dollar of the 5 products here · contains nothing else
A natural "green superfood"; Delivers 325 mcg of natural iodine per capsule; Provides natural support for thyroid function… View at Swanson Vitamins →

Comparison

Serving size across these products log scale

150 mcgtypical 325 mcgour pick 75 mcg 325 mcg

Lowest priced

Bottle price only. Container sizes vary and servings per container are not stated consistently, so this is a starting point rather than a like-for-like comparison.

Kelp
Swanson Vitamins · single ingredient
A natural "green superfood"; Delivers 325 mcg of natural iodine per capsule; Provides natural…A natural "green superfood"; Delivers 325 mcg of natural iodine per capsule; Provides natural support for thyroid function
$12.49
325 mcg per serving
View
Energy
Swanson Vitamins · 21 ingredients
Provides a natural source of energy from green tea, guarana and more; Supports metabolism and…Provides a natural source of energy from green tea, guarana and more; Supports metabolism and thermogenic processes; Approximately 64mg of natural caffeine per serving
$15.79
150 mcg per serving
View
NOW Foods Energy
Muscle & Strength · 21 ingredients
A NOW Foods Product Fill Up Your Body with Natural Energy! Approx. 64 mg natural caffeine per…A NOW Foods Product Fill Up Your Body with Natural Energy! Approx. 64 mg natural caffeine per serving Natural caffeine from guarana, yerba mate, and green tea B vitamins, panax ginseng, and rhodiola Vegan-friendly veg capsules
$21.99
150 mcg per serving
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Most iodine (laminaria spp.) per serving

Ranked by the amount stated on the label. mcg is the unit most brands use for iodine (laminaria spp.), and only products measured that way are ranked here — every product here uses it. Serving sizes differ between brands, so check the label for how many capsules or tablets that is.

Kelp
Swanson Vitamins · single ingredient
A natural "green superfood"; Delivers 325 mcg of natural iodine per capsule; Provides natural…A natural "green superfood"; Delivers 325 mcg of natural iodine per capsule; Provides natural support for thyroid function
325 mcg
$12.49
View
Energy
Swanson Vitamins · 21 ingredients
Provides a natural source of energy from green tea, guarana and more; Supports metabolism and…Provides a natural source of energy from green tea, guarana and more; Supports metabolism and thermogenic processes; Approximately 64mg of natural caffeine per serving
150 mcg
$15.79
View
NOW Foods Energy
Muscle & Strength · 21 ingredients
A NOW Foods Product Fill Up Your Body with Natural Energy! Approx. 64 mg natural caffeine per…A NOW Foods Product Fill Up Your Body with Natural Energy! Approx. 64 mg natural caffeine per serving Natural caffeine from guarana, yerba mate, and green tea B vitamins, panax ginseng, and rhodiola Vegan-friendly veg capsules
150 mcg
$21.99
View

Nothing but iodine (laminaria spp.)

Products where iodine (laminaria spp.) is the only ingredient we found — useful if you are building a stack deliberately and don't want extras you didn't choose.

Kelp
Swanson Vitamins · single ingredient
A natural "green superfood"; Delivers 325 mcg of natural iodine per capsule; Provides natural…A natural "green superfood"; Delivers 325 mcg of natural iodine per capsule; Provides natural support for thyroid function
$12.49
325 mcg per serving
View

Covers the most in one bottle

These contain iodine (laminaria spp.) plus the most other ingredients we found — fewer bottles if the rest of your stack overlaps.

Energy
Swanson Vitamins · 21 ingredients
Provides a natural source of energy from green tea, guarana and more; Supports metabolism and…Provides a natural source of energy from green tea, guarana and more; Supports metabolism and thermogenic processes; Approximately 64mg of natural caffeine per serving
21 ingredients
$15.79
View
NOW Foods Energy
Muscle & Strength · 21 ingredients
A NOW Foods Product Fill Up Your Body with Natural Energy! Approx. 64 mg natural caffeine per…A NOW Foods Product Fill Up Your Body with Natural Energy! Approx. 64 mg natural caffeine per serving Natural caffeine from guarana, yerba mate, and green tea B vitamins, panax ginseng, and rhodiola Vegan-friendly veg capsules
21 ingredients
$21.99
View

Usually combined with

What actually shares a bottle with iodine (laminaria spp.), counted across these 5 products.

Pantothenic Acid · 4riboflavin (vitamin b2) · 4Thiamin · 4Vitamin B6 · 4Chromium Amino Acid Chelate · 4Niacin · 4Vitamin E · 3Vitamin B12 · 3
Build a stack with iodine (laminaria spp.)

Add the other ingredients you want and find the fewest bottles that cover them.

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