We spoke with a pair of cousins, one an Army veteran, the other a current member of the Navy, about some of the toughest situations they've found themselves in. Army basic training, according to Mates, is all about discipline. It's about knowing your role and not stepping out of line. And if you do, well, you pay a price. Mates said, In basic training, they call it 'getting smoked.' Push-Ups until you puke. I was always getting smoked.
Caffine is the most popular and probably the most studied of all drugs, and serious adverse effects in real life have resisted demonstration. There are pop claims about caffeine interfering with absorption of iron and vitamin d; if there were any real effect on real human beings, it would be obvious by now.
Although caffeine won't affect the amount of B vitamins in your body, it is still wise to limit your caffeine intake to that contained in 2 to 4 cups of coffee, or 200 to 400 milligrams, per day. vitamins include biotin, cobalamin, folic acid, niacin, pantothenic acid, pyridoxine, riboflavin and thiamin. These water-soluble vitamins are needed by your body in small amounts each day for growth and development, turning food into energy, immune function and producing hormones, enzymes, red blood cells and DNA.