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Potassium Plus Iodine

product on market Tablet or Pill NOW Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 50% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

Potassium and iodine are essential minerals that support nerve function and thyroid hormone synthesis, respectively. While these nutrients have well-established roles in human physiology, the overall evidence coverage for this specific formulation is limited. Sodium alginate is typically used as a stabilizing agent in supplements.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for Potassium Plus Iodine
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Tablet(s)
Serving Size
Other Combinations
Product Type
50%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

225 mcg (150% DV)
1.5× RDA — within safe limits 245 studies (A:4, B:133)
Sodium
5 mg (1% DV)
Potassium
99 mg (2% DV)
Market median: 4002.0mg (1 products) 21 studies (A:0, B:2)

Other Ingredients

Cellulose Croscarmellose Sodium Stearic Acid Silica Magnesium Stearate
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Usage: Take 1 tablet daily with a meal.

Warnings & Precautions

Not manufactured with yeast, wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.

Caution: For adults only.

Consult physician if pregnant/nursing, taking any medications (especially those that may affect kidney function or blood potassium levels), or have a medical condition (especially heart/kidney condition or diabetes).

Keep out of reach of children.

Do not eat freshness packet. Keep in bottle.

Formulation Notes

Vegetarian/Vegan

Not manufactured with yeast, wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients.

Potassium plus Iodine

Non-GMO

NOW Potassium plus Iodide also supplies Potassium, a mineral that is essential for the maintenance of healthy water and electrolyte balance, as well as whole body pH.

Additional Information

CODE 1452B V5

Tablet size

Thyroid support

~ Supports electrolyte balance ~ Nutrition for healthy thyroid function

Non-GMO

Minerals

Family owned since 1968.

Store in a cool, dry place after opening.

Please recycle.

GMP quality assured

Potassium Iodide (KI) is a compound that contains Iodine, a nutrient necessary for normal thyroid function. Iodine, in the form of Iodide, is an integral part of the thyroid secretions that regulate cellular metabolism and energy production.

Natural color variation may occur in this product.

Metadata

Product Details

UPC / SKU7 33739 01452 8
DSLD Entry Date2017-03-24
Product TypeOther Combinations
FormTablet or Pill
BrandNOW
DSLD ID70679
Data Updated2026-04-11
Research

Research Evidence

849
Research Sources
56
Avg Quality
450
Meta Analysis
152
Rct
137
Systematic Review
73
Clinical Trial
11
Regulatory Source
7
Other
7
Guideline
3
Openfda Safety
2
Cochrane Review
2
Observational
A Phosphate binders for preventing and treating chronic kidney disease-mineral and bone disorder (CKD-MBD)
Meta Analysis The Cochrane database of systematic reviews 2018 PubMed DOI
A Calcium supplementation (other than for preventing or treating hypertension) for improving pregnancy and infant outcomes
Meta Analysis The Cochrane database of systematic reviews 2024 PubMed DOI
A Calcium supplementation (other than for preventing or treating hypertension) for improving pregnancy and infant outcomes
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin and mineral supplementation for maintaining cognitive function in cognitively healthy people in mid and late life
Meta Analysis The Cochrane database of systematic reviews 2018 PubMed DOI
A Calcium supplementation during pregnancy for preventing hypertensive disorders and related problems
Meta Analysis The Cochrane database of systematic reviews 2025 PubMed DOI
A Dietary calcium supplementation for preventing colorectal cancer and adenomatous polyps
Systematic Review The Cochrane database of systematic reviews 2008 PubMed DOI
A Calcium and vitamin D for increasing bone mineral density in premenopausal women
Systematic Review The Cochrane database of systematic reviews 2023 PubMed DOI
A Dietary sodium, sodium-to-potassium ratio, and risk of stroke: A systematic review and nonlinear dose-response meta-analysis
Meta Analysis Clinical nutrition (Edinburgh, Scotland) 2019 PubMed DOI
A The association between circulating magnesium and clinically relevant outcomes in patients with chronic kidney disease: A systematic review and meta-analysis
Meta Analysis Clinical nutrition (Edinburgh, Scotland) 2021 PubMed DOI
A Calcium channel blockers versus other classes of drugs for hypertension
Systematic Review The Cochrane database of systematic reviews 2021 PubMed DOI
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.