Caerbannog comments on Boring Advice Repository - Less Wrong

56 Post author: Qiaochu_Yuan 07 March 2013 04:33AM

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Comment author: Caerbannog 07 March 2013 10:16:59PM 7 points [-]

I think it's possible you're conflating potassium (element symbol K) with vitamin K. Vitamin K and warfarin (rat poison) are antagonists. Potassium (as chloride) is quite soluble in water, is prevalent in blood, and is primarily regulated by the kidneys.