The Difference Between Refined Salt and Unrefined Salt - Dr. David Brownstein
https://www.louix.org/the-difference-between-refined-salt-and-unrefined-salt/?fbclid=IwAR1SBYlEQlrsSnUq4sk5eFLr0kZlSHiArEElekj2U2VMmy27XAdTFoKStYs
글
How Much Potassium Do You Need Per Day?
https://www.healthline.com/nutrition/how-much-potassium-per-day