Since Muscle Milk is marketed and sold as a nutritional supplement, thereâs no recommended daily consumption. While it contains no actual milk and is lactose-free, it does contains ingredients derived from milk that could activate milk-related allergies.
In the case of many teenagers, coffee is a vessel for empty calories in the form of added sugar. As far as drinking ârealâ coffee on a daily basis â espresso, cappuccinos, and lattes â I think it's prudent to wait until the age of 18.â.
Amount and Sources. Most adults can consume 200 mg to 300 mg of caffeine per day, which translates to two to four cups of coffee, without any health concerns or negative side effects.nce you start drinking four or more cups of coffee, or otherwise consuming 500 mg to 600 mg of caffeine daily, you are more likely to experience the ill effects of caffeine. Coffee is one of the most abundant sources of caffeine, although other consumable items contain the drug.