Douglas Laboratories
Multi-Probiotic ® 40 Billion

60 vegetarian acid-resistant capsules

Price: $45.60
Cost per day: $1.52

Designs For Health
ProbioMed 50

30 capsules

Price: $57.99
Cost per day: $1.93

Metagenics
UltraFlora Spectrum

30 capsules

Price: $51.25
Cost per day: $1.71