While lysine in the diet is considered safe, excessive doses may cause gallstones. There have also been reports of renal dysfunction, including Fanconi syndrome and renal failure. Talk to your doctor before taking supplemental lysine if you have kidney disease, liver disease, or if you are pregnant or breastfeeding.
Well I dont know about off premise sales, but on premise runs about like this...these are the general cost of sales numbers. Liquor 13%-17%. Beer (bottles)26%-31%. Beer (draft) 18%-26%. Wine-30%-47%. So the gross margin would be the reverse. Liquor 83%-87%.
While an 81 percent profit margin is attractive, focusing only on the profit margin can hold your bar's financial success back. For example, if you pour a high-end whiskey costing $50 per bottle, your pour cost is $2.50. This works out to a 75 percent profit margin if you sell that drink for $10 per shot.