I buy morton lite salt. Has half potassium chloride and half sodium chloride, with iodine. Also says it has a little bit of madnesium carbonate, so pretty decent electrolyte balance.
https://well.blogs.nytimes.com/2016/05/25/a-low-salt-diet-ma...
It may even be that most of the purported negative effects of a high sodium diet are caused by this.
https://www.nih.gov/news-events/nih-research-matters/sodium/...
https://www.health.harvard.edu/heart-health/sodiumpotassium-...