LoveBug Nutrition came in at a respectable #2 on our list, with a potent 10 billion CFUs. We confirmed that there are no unhealthy fillers or additives. Our Intelligent Shoppers gave this product high marks in the categories of customer service, returns, and overall effectiveness. Some Smarter Shoppers stated that the storage guidelines of this product was inconvenient.* Although the product contains over 50 billion live cultures, many reviewers believed the product lost its potency due to poor refrigeration by delivery.