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%.
The profit margin of buffet restaurants do vary with respect to various festive occasions. Among normal days the profit margin remains between $9 - $11. This estimate is calculated on behalf of Purple Sage Group for Buffet, Catering and Corporate Events Catering Services in Singapore which actually calculate its profit on its average customer.