Many factors can compromise your body s defenses including the overuse of mediations stress your environment and even normal aging resulting in the loss of beneficial Bifidobacterium. RAW Probiotics Adult 5-Day Max Care is a unique High-Bifido formula that includes the clinically studied Replenish A to Z Blend making it your ultimate complementary probiotic to achieve balance - helping you repopulate your gastrointestinal tract with good bacteria.