What's the difference between a probiotic and prebiotic? Here's everything you need to know, including what they are, how they work and if you should take them.| Male Health Review
Mark McIntyre is the founder of MaleHealthReview.com and acts as it's chief contributor. He is a fitness trainer and avid mountain biker who also enjoys camping, hiking and fishing. Besides managing Male Health Review, Mark is also a guest columnist for several blogs related to men's health.| Male Health Review