I say the answer would be C. Unsaturated fat because as studies shows, eating foods rich in unsaturated fat improves blood cholesterol levels, which can decrease the risk of heart disease.
Hope it helps! ;)
Before you go to sleep your body needs to know its time to sleep. Eating a well meal would wake up your body and give it more energy. It would make it harder to sleep
The ingredients should be included
Max heart rate is calculated with the equation 220-age so 220-20 is 200