Kelp

Suggested Use

Suggested Usage: Take 1 tablet daily with a meal.

• 

  Now Kelp 150 mcg

  iHerb4.8(5400)

  $7.95
• 

  NOW Kelp 325 mcg

  iHerb4.8(2200)

  $12.24
• 

  NOW Foods Kelp 150 mcg

  NOW4.8(81)

  $12.99
• 

  Now Organic Kelp Powder

  Bulk Apothecary4.8(33)

  $9.21
• 

  NOW Foods Organic Kelp Powder 8 oz

  iHerb4.7(633)

  $10.40
• 

  NOW Foods Pure Kelp Powder

  Dr. Ruth Roberts4.8(33)

  $16.49
• 

  (2 pack) NOW Supplements, Kelp 150 mcg of Natural Iodine, Easier to Swallow Tablet, Super Green, 200 Tablets, Beige

  Walmart - Fruitful Yield4.8(81)

  $21.92
• 

  Now Foods Kelp 150mcg 200 Tablets

  Moja lekarna d.o.o.5.0(4)

  $17.93

Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.

Showing representative supplement & health retailers — search above for stores in your area.

• United Supplements

  5.0 (34)

  Vitamin & supplements store

  1111 W Morton Ave #3, Jacksonville, IL 62650

  Directions(217) 883-8041

• Supplement Superstore

  4.9 (603)

  Vitamin & supplements store

  2302 Wabash Ave, Springfield, IL 62704

  Directions(217) 679-2096

• Nutrition Stop

  4.7 (65)

  Vitamin & supplements store

  4101 Mexico Rd Ste. K, St Peters, MO 63376

  Directions(636) 928-7550

• Effects of Daily Kelp (Laminaria japonica) Intake on Body Composition, Serum Lipid Levels, and Thyroid Hormone Levels in Healthy Japanese Adults: A …

  S Aoe, C Yamanaka, H Ohtoshi, F Nakamura… - Marine drugs, 2021 - mdpi.com

  … In a parallel, double-blind, placebo-controlled study, we randomly assigned 48 overweight (BMI 25–30 kg/m 2 ) subjects to either a placebo supplement or a kelp supplement (6 g kelp …

  202143 citations

• Commercially available kelp and seaweed products–valuable iodine source or risk of excess intake?

  I Aakre, DD Solli, MW Markhus… - Food & Nutrition …, 2021 - pmc.ncbi.nlm.nih.gov

  … now … supplements, such supplements may pose a health risk. Others have advised against the use of macroalgae-containing dietary supplements, and a review of iodine supplement …

  202192 citations

• What endocrinologists should know about iodine: Population deficiency, individual excess and misinformation in the United Kingdom

  PN Taylor, M Prentice, S Bath, E Combet… - Clinical …, 2026 - Wiley Online Library

  … resets’ and kelp‐based supplements that deliver supraphysiological … Endocrinologists now face a dual challenge: widespread … supplements represents a simple, equitable public‐health …

  2026

• Peril of the Shallows?: Elevated Arsenic in Kelp Supplements

  C Washam - Environmental Health Perspectives, 2007 - pmc.ncbi.nlm.nih.gov

  … kelp is a nutritional supplement and not a drug, the FDA does not require manufacturers to demonstrate safety or efficacy. Now … The researchers sent the patient’s kelp supplement, …

  20072 citations

• Methylmercury and IQ: Dose–Response Estimate of Prenatal Effect

  VJ Brown - Environmental Health Perspectives, 2007 - pmc.ncbi.nlm.nih.gov

  … Now researchers at the University of California, Davis, report the case of a woman who … ’s kelp supplement, along with several other brands purchased from local health food stores, to …

  20071 citations

• The Wolff-Chaikoff effect: Crying wolf?

  GE Abraham - The Original Internist, 2005 - hakalalabs.com

  … Wolff-Chaikoff forgery has now been exposed and US citizens are now waking up to the fact … caution about the kelp supplements sold at health food stores. Kelp contains high amounts …

  200558 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2015-02-25. DSLD Label ID: 42767. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.