Wondering if you should bother spending the cash on vitamins and other pills? For most women, the four super supplements are well worth it.
Why You Need It: Probiotics, or good bacteria, have been shown to assuage gastrointestinal problems, like diarrhea, and even help reduce colds.
Daily Dose: One capsule with 10 billion colony-forming units (CFUs), preferably in the morning so it can aid your digestion throughout the day.
Sources: Christine Gerbstadt, MD, author of Doctor's Detox Diet: The Ultimate Weight Loss Prescription; and David Katz, MD, director of the Yale-Griffin Prevention Research Center and author of Disease Proof