Mag-K

product on market Capsule Progressive Professional from Progressive Laboratories 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

Magnesium and potassium are essential minerals that support muscle function and electrolyte balance. There is strong evidence for their roles in maintaining nerve transmission and cardiovascular health. However, overall evidence coverage for this specific formulation is limited.

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

Label

Product Label

Label for Mag-K
Open Full PDF View on NIH DSLD →
Details

Label Data

3 Vegetable Capsule(s)
Serving Size
30
Servings
Mineral
Product Type
50%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

200 mg (50% DV)
Within RDA (0.5× RDA) 316 studies (A:8, B:159)
Potassium
99 mg (3% DV)

Other Ingredients

L-Leucine Hydroxypropyl Methylcellulose Rice Flour
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Info

Product Information

Directions for Use

Directions: Three vegetable capsules daily with meals, or more, as directed by a health care professional.

Warnings & Precautions

Not to be used by pregnant or lactating women.

Tamper evident band around cap and seal on bottle. Do not use if either seal is broken or missing.

Keep out of reach of children.

Formulation Notes

This product is free of sugar, yeast, corn, wheat, soy, artificial color, flavors or preservatives.

Progressive Laboratories manufactured this product in its 3rd party GMP-inspected facility. (Good Manufacturing Practices)

Magnesium and Potassium

Additional Information

Sold only for dispensing by a licensed health professional.

GMP Good Manufacturing Practice Certified GMP Compliant 21 CFR 111

Metadata

Product Details

UPC / SKU3 51821 00781 6
DSLD Entry Date2022-04-11
Product TypeMineral
FormCapsule
DSLD ID261942
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.